Java tutorial
/** * This is free and unencumbered software released into the public domain. * * Anyone is free to copy, modify, publish, use, compile, sell, or * distribute this software, either in source code form or as a compiled * binary, for any purpose, commercial or non-commercial, and by any * means. * * In jurisdictions that recognize copyright laws, the author or authors * of this software dedicate any and all copyright interest in the * software to the public domain. We make this dedication for the benefit * of the public at large and to the detriment of our heirs and * successors. We intend this dedication to be an overt act of * relinquishment in perpetuity of all present and future rights to this * software under copyright law. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * For more information, please refer to <http://unlicense.org> */ package com.me.mylolgame; import com.badlogic.gdx.math.Vector2; import edu.lehigh.cse.lol.Actor; import edu.lehigh.cse.lol.Animation; import edu.lehigh.cse.lol.Background; import edu.lehigh.cse.lol.Control; import edu.lehigh.cse.lol.Destination; import edu.lehigh.cse.lol.Display; import edu.lehigh.cse.lol.Effect; import edu.lehigh.cse.lol.Enemy; import edu.lehigh.cse.lol.Facts; import edu.lehigh.cse.lol.Goodie; import edu.lehigh.cse.lol.Hero; import edu.lehigh.cse.lol.Level; import edu.lehigh.cse.lol.LolCallback; import edu.lehigh.cse.lol.LoseScene; import edu.lehigh.cse.lol.Obstacle; import edu.lehigh.cse.lol.PauseScene; import edu.lehigh.cse.lol.Physics; import edu.lehigh.cse.lol.PreScene; import edu.lehigh.cse.lol.ProjectilePool; import edu.lehigh.cse.lol.Route; import edu.lehigh.cse.lol.Score; import edu.lehigh.cse.lol.ScreenManager; import edu.lehigh.cse.lol.Svg; import edu.lehigh.cse.lol.Tilt; import edu.lehigh.cse.lol.Util; import edu.lehigh.cse.lol.WinScene; /** * Levels is where all of the code goes for describing the different levels of * the game. If you know how to create methods and classes, you're free to make * the big "if" statement in this code simply call to your classes and methods. * Otherwise, put your code directly into the parts of the "if" statement. */ public class Levels implements ScreenManager { /** * We currently have 92 levels, each of which is described in part of the * following function. */ public void display(int whichLevel) { /* * In this level, all we have is a hero (the green ball) who needs to * make it to the destination (a mustard colored ball). The game is * configured to use tilt to control the hero. */ if (whichLevel == 1) { // set the screen to 48 meters wide by 32 meters high... this is // important, because Config.java says the screen is 480x320, and // LOL likes a 20:1 pixel to meter ratio. If we went smaller than // 48x32, things would get really weird. And, of course, if you make // your screen resolution higher in Config.java, these numbers would // need to get bigger. // // Level.configure MUST BE THE FIRST LINE WHEN DRAWING A LEVEL!!! Level.configure(48, 32); // there is no default gravitational force Physics.configure(0, 0); // in this level, we'll use tilt to move some things around. The // maximum force that tilt can exert on anything is +/- 10 in the X // dimension, and +/- 10 in the Y dimension Tilt.enable(10, 10); // now let's create a hero, and indicate that the hero can move by // tilting the phone. "greenball.png" must be registered in // the registerMedia() method, which is also in this file. It must // also be in your android game's assets folder. Hero h = Hero.makeAsBox(0, 10, 3, 3, "greenball.png"); h.setMoveByTilting(); // draw a circular destination, and indicate that the level is won // when the hero reaches the destination. "mustardball.png" must be // registered in registerMedia() Destination.makeAsCircle(29, 26, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); } /* * In this level, we make the play a bit smoother by adding a bounding * box and changing the way that LibLOL interacts with the player */ else if (whichLevel == 2) { // start by setting everything up just like in level 1 Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Hero h = Hero.makeAsCircle(4, 17, 3, 3, "greenball.png"); h.setMoveByTilting(); Destination.makeAsCircle(29, 26, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // add a bounding box so the hero can't fall off the screen Util.drawBoundingBox(0, 0, 48, 32, "red.png", 0, 0, 0); // change the text that we display when the level is won WinScene.get().setDefaultWinText("Good job!"); // add a pop-up message that shows for one second at the // beginning of the level. The '50, 50' indicates the bottom left // corner of the text we display. 255,255,255 represents the red, // green, and blue components of the text color (the color will be // white). We'll write our text in the Arial font, with a size of 32 // pt. The "\n" in the middle of the text causes a line break. Note // that "arial.ttf" must be in your android game's assets folder. PreScene.get().addText("Reach the destination\nto win this level.", 50, 50, 255, 255, 255, "arial.ttf", 32); } /* * In this level, we change the physics from level 2 so that things roll * and bounce a little bit more nicely. */ else if (whichLevel == 3) { // These lines should be familiar after the last two levels Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // give the hero some density and friction, so that it can roll when // it encounters a wall... notice that once it has density, it has // mass, and it moves a lot slower... h.setPhysics(1, 0, 0.6f); // the bounding box now also has nonzero density, elasticity, and // friction... you should check out what happens if the friction // stays at 0. Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); // Let's draw our message in the center of the screen this time PreScene.get().addText("Reach the destination\nto win this level.", 255, 255, 255, "arial.ttf", 32); // And let's say that instead of touching the message to make it go // away, we'll have it go away automatically after 2 seconds PreScene.get().setExpire(2); // Note that we're going back to the default PostScene text... } /* * It's confusing to have multiple heroes in a level, but we can... this * shows how to have multiple destinations and heroes */ else if (whichLevel == 4) { // standard stuff... Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); // now let's draw two heroes who can both move by tilting, and // who both have density and friction. Note that we lower the // density, so they move faster Hero h1 = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h1.setPhysics(.1f, 0, 0.6f); h1.setMoveByTilting(); Hero h2 = Hero.makeAsCircle(14, 7, 3, 3, "greenball.png"); h2.setPhysics(.1f, 0, 0.6f); h2.setMoveByTilting(); // notice that now we will make two destinations, each of which // defaults to only holding ONE hero, but we still need to get two // heroes to destinations in order to complete the level Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Destination.makeAsCircle(29, 26, 2, 2, "mustardball.png"); Score.setVictoryDestination(2); // Let's show msg1.png instead of text. Note that we had to // register it in registerMedia(), and that we're stretching it // slightly, since its dimensions are 460x320 PreScene.get().addImage("msg1.png", 0, 0, 960, 640); } /* * This level demonstrates that we can have many heroes that can reach * the same destination. It also shows our first sound effect */ else if (whichLevel == 5) { // standard stuff... Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h1 = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h1.setPhysics(.1f, 0, 0.6f); h1.setMoveByTilting(); Hero h2 = Hero.makeAsCircle(14, 7, 3, 3, "greenball.png"); h2.setPhysics(.1f, 0, 0.6f); h2.setMoveByTilting(); PreScene.get().addText("All heroes must\nreach the destination", 255, 255, 255, "arial.ttf", 32); // now let's make a destination, but indicate that it can hold TWO // heroes Destination d = Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); d.setHeroCount(2); // let's also say that whenever a hero reaches the destination, a // sound will play d.setArrivalSound("hipitch.ogg"); // Notice that this line didn't change from level 4 Score.setVictoryDestination(2); } /* * Tilt can be used to control velocity, instead of applying forces to * the entities on the screen. It doesn't always work well, but it's a * nice option to have... */ else if (whichLevel == 6) { // standard stuff... Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); PreScene.get().addText("A different way\nto use tilt.", 255, 255, 255, "arial.ttf", 32); // change the behavior or tilt Tilt.setAsVelocity(true); } /* * This level adds an enemy, to demonstrate that we can make it possible * to lose a level */ else if (whichLevel == 7) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // Notice that we changed the font size and color PreScene.get().addText("Avoid the enemy and\nreach the destination", 25, 255, 255, "arial.ttf", 20); // draw an enemy... we don't need to give it physics for now... Enemy.makeAsCircle(25, 25, 2, 2, "redball.png"); // turn off the win and lose scenes... whether the player wins or // loses, we'll just start the appropriate level. Be sure to test // the game by losing *and* winning! WinScene.get().disable(); LoseScene.get().disable(); } /* * This level explores a bit more of what we can do with enemies, by * having an enemy with a fixed path. */ else if (whichLevel == 8) { // configure a basic level, just like the start of level 2: Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 27, 3, 3, "greenball.png"); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); PreScene.get().addText("Avoid the enemy and\nreach the destination", 255, 255, 255, "arial.ttf", 20); // put some extra text on the PreScene.get() PreScene.get().addText("(the enemy is red)", 5, 5, 50, 200, 122, "arial.ttf", 10); // draw an enemy Enemy e = Enemy.makeAsCircle(25, 25, 2, 2, "redball.png"); // attach a path to the enemy. It starts at (25, 25) and moves to // (25, 2). This means it has *2* points on its route. Notice that // since it loops, it is not going to gracefully move back to its // starting point. Also note that the first point is the same as the // enemy's original position. If it wasn't, then there would be an // odd glitch at the beginning of the level. e.setRoute(new Route(2).to(25, 25).to(25, 2), 10, true); // Note that when the level is lost, the default lose text will be // displayed on a PostScene } /* * This level explores a bit more of what we can do with paths. */ else if (whichLevel == 9) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); PreScene.get().addText("Avoid the enemy and\nreach the destination", 50, 50, 255, 255, 255, "arial.ttf", 20); // draw an enemy that can move Enemy e = Enemy.makeAsCircle(25, 25, 2, 2, "redball.png"); // This time, we add a third point, which is the same as the // starting point. This will give us a nicer sort of movement. Also // note the diagonal movement. e.setRoute(new Route(3).to(25, 25).to(12, 2).to(25, 25), 2, true); // note that any number of points is possible... you could have // extremely complex Routes! } /* * We can make enemies move via tilt. We can also configure some other * kinds of sounds */ else if (whichLevel == 10) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(0.1f, 0, 0.6f); h.setMoveByTilting(); PreScene.get().addImage("msg2.png", 0, 0, 960, 640); // let's make the destination rotate: Destination d = Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); d.setRotationSpeed(1); Score.setVictoryDestination(1); // draw an enemy who moves via tilt Enemy e3 = Enemy.makeAsCircle(35, 25, 2, 2, "redball.png"); e3.setPhysics(1.0f, 0.3f, 0.6f); e3.setMoveByTilting(); // configure some sounds to play on win and lose. Of course, all // these sounds must be registered! WinScene.get().setSound("winsound.ogg"); LoseScene.get().setSound("losesound.ogg"); // set background music Level.setMusic("tune.ogg"); // custom text for when the level is lost LoseScene.get().setDefaultText("Better luck next time..."); } /* * This shows that it is possible to make a level that is larger than a * screen. It also shows that there is a "heads up display" that can be * used for providing information and touchable controls */ else if (whichLevel == 11) { // make the level really big Level.configure(400, 300); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 400, 300, "red.png", 0, 0, 0); // put the hero and destination far apart Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(329, 281, 10, 10, "mustardball.png"); Score.setVictoryDestination(1); // We want to be sure that no matter what, the player can see the // hero. We achieve this by having the camera follow the hero: Level.setCameraChase(h); // add zoom buttons. We are using blank images, which means that the // buttons will be invisible... that's nice, because we can make the // buttons big (covering the left and right halves of the screen). // When debug rendering is turned on, we'll be able to see a red // outline of the two rectangles. You could also use images (that // you registered, of course), but if you did, you'd either need to // make them small, or make them semi-transparent. Control.addZoomOutButton(0, 0, 480, 640, "", 8); Control.addZoomInButton(480, 0, 480, 640, "", .25f); PreScene.get().addText("Press left to zoom out\nright to zoom in", 255, 255, 255, "arial.ttf", 32); } /* * this level introduces obstacles, and also shows the difference * between "box" and "circle" physics */ else if (whichLevel == 12) { // configure a basic level Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); // add a hero and destination Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // let's draw an obstacle whose underlying shape is a box, but whose // picture is a circle. This can be odd... our hero can roll around // an invisible corner on this obstacle. When debug rendering is // turned on (in Config.java), you'll be able to see the true shape // of the obstacle. Obstacle o1 = Obstacle.makeAsBox(0, 0, 3.5f, 3.5f, "purpleball.png"); o1.setPhysics(1, 0, 1); // now let's draw an obstacle whose shape and picture are both // circles. The hero rolls around this nicely. Obstacle o2 = Obstacle.makeAsCircle(10, 10, 3.5f, 3.5f, "purpleball.png"); o2.setPhysics(1, 0, 1); // draw a wall using circle physics and a stretched rectangular // picture. This wall will do really funny things Obstacle o3 = Obstacle.makeAsCircle(20, 25, 6, 0.5f, "red.png"); o3.setPhysics(1, 0, 1); // draw a rectangular wall the right way, as a box Obstacle o4 = Obstacle.makeAsBox(34, 2, 0.5f, 20, "red.png"); o4.setPhysics(1, 0, 1); PreScene.get().addText("An obstacle's appearance may\nnot match its physics", 255, 255, 255, "arial.ttf", 32); } /* * this level just plays around with physics a little bit, to show how * friction and elasticity can do interesting things. */ else if (whichLevel == 13) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("These obstacles have\ndifferent physics\nparameters", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // Colliding the hero with these obstacles can have interesting // effects Obstacle o1 = Obstacle.makeAsCircle(0, 0, 3.5f, 3.5f, "purpleball.png"); o1.setPhysics(0, 100, 0); Obstacle o2 = Obstacle.makeAsCircle(10, 10, 3.5f, 3.5f, "purpleball.png"); o2.setPhysics(10, 0, 100); } /* * This level introduces goodies. Goodies are something that we collect. * We can make the collection of goodies lead to changes in the behavior * of the game, and in this example, the collection of goodies "enables" * a destination. */ else if (whichLevel == 14) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); PreScene.get().addText("You must collect\ntwo blue balls", 255, 255, 255, "arial.ttf", 32); // Add some stationary goodies. Note that the default is // for goodies to not cause a change in the hero's behavior at the // time when a collision occurs... this is often called being a // "sensor"... it means that collisions are still detected by the // code, but they don't cause changes in momentum // // Note that LibLOL allows goodies to have one of 4 "types". By // default, collecting a goodie increases the "type 1" score by 1. Goodie.makeAsCircle(0, 30, 2, 2, "blueball.png"); Goodie.makeAsCircle(0, 15, 2, 2, "blueball.png"); // here we create a destination. Note that we now set its activation // score to 2, so that you must collect two goodies before the // destination will "work" Destination d = Destination.makeAsCircle(29, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // we must provide an activation score for each of the 4 types of // goodies d.setActivationScore(2, 0, 0, 0); // let's put a display on the screen to see how many type-1 goodies // we've collected. Since the second parameter is "2", we'll display // the count as "X/2 Goodies" instead of "X Goodies" Display.addGoodieCount(1, 2, " Goodies", 220, 280, "arial.ttf", 255, 0, 255, 20); } /* * earlier, we saw that enemies could move along a Route. So can any * other entity, so we'll move destinations, goodies, and obstacles, * too. */ else if (whichLevel == 15) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Every entity can move...", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(44, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); // make a destination that moves, and that requires one goodie to be // collected before it works Destination d = Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); d.setActivationScore(1, 0, 0, 0); d.setRoute(new Route(3).to(29, 6).to(29, 26).to(29, 6), 4, true); Score.setVictoryDestination(1); // make an obstacle that moves Obstacle o = Obstacle.makeAsBox(0, 0, 3.5f, 3.5f, "purpleball.png"); o.setPhysics(0, 100, 0); o.setRoute(new Route(3).to(0, 0).to(10, 10).to(0, 0), 2, true); // make a goodie that moves Goodie g = Goodie.makeAsCircle(5, 5, 2, 2, "blueball.png"); g.setRoute(new Route(5).to(5, 5).to(5, 25).to(25, 25).to(9, 9).to(5, 5), 10, true); // draw a goodie counter in light blue (60, 70, 255) with a 12-point // font Display.addGoodieCount(1, 0, " Goodies", 220, 280, "arial.ttf", 60, 70, 255, 12); } /* * Sometimes, we don't want a destination, we just want to say that the * player wins by collecting enough goodies. This level also shows that * we can set a time limit for the level, and we can pause the game. */ else if (whichLevel == 16) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Collect all\nblue balls\nto win", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 20, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); // draw 5 goodies Goodie.makeAsCircle(.5f, .5f, 2, 2, "blueball.png"); Goodie.makeAsCircle(5.5f, 1.5f, 2, 2, "blueball.png"); Goodie.makeAsCircle(10.5f, 2.5f, 2, 2, "blueball.png"); Goodie.makeAsCircle(15.5f, 3.5f, 2, 2, "blueball.png"); Goodie.makeAsCircle(20.5f, 4.5f, 2, 2, "blueball.png"); // indicate that we win by collecting enough goodies Score.setVictoryGoodies(5, 0, 0, 0); // put the goodie count on the screen Display.addGoodieCount(1, 5, " Goodies", 220, 280, "arial.ttf", 60, 70, 255, 12); // put a simple countdown on the screen Display.addCountdown(15, "Time Up!", 400, 50); // let's also add a screen for pausing the game. In a real game, // every level should have a button for pausing the game, and the // pause scene should have a button for going back to the main // menu... we'll show how to do that later. PauseScene.get().addText("Game Paused", 255, 255, 255, "arial.ttf", 32); Control.addPauseButton(0, 300, 20, 20, "red.png"); } /* * This level shows how "obstacles" need not actually impede the hero's * movement. Here, we attach "damping factors" to the hero, which let us * make the hero speed up or slow down based on interaction with the * obstacle. This level also adds a stopwatch. Stopwatches don't have * any meaning, but they are nice to have anyway... */ else if (whichLevel == 17) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Obstacles as zoom\nstrips, friction pads\nand repellers", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // add a stopwatch... note that there are two ways to add a // stopwatch, the other of which allows for configuring the font Display.addStopwatch(50, 50); // Create a pause scene that has a back button on it, and a button // for pausing the level. Note that the background image must come // first PauseScene.get().addImage("fade.png", 0, 0, 960, 640); PauseScene.get().addText("Game Paused", 255, 255, 255, "arial.ttf", 32); PauseScene.get().addBackButton("greyball.png", 0, 300, 20, 20); Control.addPauseButton(0, 300, 20, 20, "red.png"); // now draw three obstacles. Note that they have different dampening // factors. one important thing to notice is that since we place // these on the screen *after* we place the hero on the screen, the // hero will go *under* these things. // this obstacle's dampening factor means that on collision, the // hero's velocity is multiplied by -1... he bounces off at an // angle. Obstacle o = Obstacle.makeAsCircle(10, 10, 3.5f, 3.5f, "purpleball.png"); o.setPad(-1); // this obstacle accelerates the hero... it's like a turbo booster o = Obstacle.makeAsCircle(20, 10, 3.5f, 3.5f, "purpleball.png"); o.setPad(5); // this obstacle slows the hero down... it's like running on // sandpaper. Note that the hero only slows down on initial // collision, not while going under it. o = Obstacle.makeAsBox(30, 10, 3.5f, 3.5f, "purpleball.png"); o.setRotationSpeed(2); o.setPad(0.2f); } /* * This level shows that it is possible to give heroes and enemies * different strengths, so that a hero doesn't disappear after a single * collision. It also shows that when an enemy defeats a hero, we can * customize the message that prints */ else if (whichLevel == 18) { // set up a basic level Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("The hero can defeat \nup to two enemies...", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // draw a hero and give it strength of 10. The default is for // enemies to have "2" units of damage, and heroes to have "1" unit // of strength, so that any collision defeats the hero without // removing the enemy. Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); h.setStrength(10); // draw a strength meter to show this hero's strength Display.addStrengthMeter(" Strength", 220, 280, h); // our first enemy stands still: Enemy e = Enemy.makeAsCircle(25, 25, 2, 2, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setRotationSpeed(1); e.setDamage(4); // this text will be displayed if this enemy defeats the hero e.setDefeatHeroText("How did you hit me?"); // our second enemy moves along a path e = Enemy.makeAsCircle(35, 25, 2, 2, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setRoute(new Route(3).to(35, 25).to(15, 25).to(35, 25), 10, true); e.setDamage(4); e.setDefeatHeroText("Stay out of my way"); // our third enemy moves with tilt, which makes it hardest to avoid e = Enemy.makeAsCircle(35, 25, 2, 2, "redball.png"); e.setPhysics(.1f, 0.3f, 0.6f); e.setMoveByTilting(); e.setDamage(4); e.setDefeatHeroText("You can't hide!"); // be sure when testing this level to lose, with each enemy being // the last the hero collides with, so that you can see the // different messages } /* * This level shows that we can win a level by defeating all enemies */ else if (whichLevel == 19) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("You have 10 seconds\nto defeat the enemies", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); // give the hero enough strength that this will work... Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setStrength(10); h.setMoveByTilting(); // draw a few enemies, and change their "damage" (the amount by // which they decrease the hero's strength) Enemy e = Enemy.makeAsCircle(25, 25, 2, 2, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setRotationSpeed(1); e.setDamage(4); e = Enemy.makeAsCircle(35, 25, 2, 2, "redball.png"); e.setPhysics(.1f, 0.3f, 0.6f); e.setMoveByTilting(); e.setDamage(4); // put a countdown on the screen Display.addCountdown(10, "Time Up!", 200, 25); // indicate that defeating all of the enemies is the way to win this // level Score.setVictoryEnemyCount(); } /* * This level shows that a goodie can change the hero's strength, and * that we can win by defeating a specific number of enemies, instead of * all enemies. */ else if (whichLevel == 20) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Collect blue balls\nto increse strength", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); // our default hero only has "1" strength Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); // our default enemy has "2" damage Enemy e = Enemy.makeAsCircle(25, 25, 2, 2, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setRotationSpeed(1); e.setDisappearSound("slowdown.ogg"); // a second enemy e = Enemy.makeAsCircle(35, 15, 2, 2, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); // this goodie gives an extra "5" strength: Goodie g = Goodie.makeAsCircle(0, 30, 2, 2, "blueball.png"); g.setStrengthBoost(5); g.setDisappearSound("woowoowoo.ogg"); // Display the hero's strength Display.addStrengthMeter(" Strength", 220, 280, h); // win by defeating one enemy Score.setVictoryEnemyCount(1); WinScene.get().setDefaultWinText("Good enough..."); } /* * this level introduces the idea of invincibility. Collecting the * goodie makes the hero invincible for a little while... */ else if (whichLevel == 21) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("The blue ball will\nmake you invincible\nfor 15 seconds", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); // draw a few enemies, and make them rotate for (int i = 0; i < 5; ++i) { Enemy e = Enemy.makeAsCircle(5 * i + 1, 25, 2, 2, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setRotationSpeed(1); } // this goodie makes us invincible Goodie g = Goodie.makeAsCircle(30, 30, 2, 2, "blueball.png"); g.setInvincibilityDuration(15); g.setRoute(new Route(3).to(30, 30).to(10, 10).to(30, 30), 5, true); g.setRotationSpeed(0.25f); // we'll still say you win by reaching the destination. Defeating // enemies is just for fun... Destination.makeAsCircle(29, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // display a goodie count for type-1 goodies Display.addGoodieCount(1, 0, " Goodies", 220, 280, "arial.ttf", 60, 70, 255, 12); // put a frames-per-second display on the screen. This is going to // look funny, because when debug mode is set (in Config.java), a // FPS will be shown on every screen anyway Display.addFPS(400, 15, "arial.ttf", 200, 200, 100, 12); } /* * Some goodies can "count" for more than one point... they can even * count for negative points. */ else if (whichLevel == 22) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Collect 'the right' \nblue balls to\nactivate destination", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination d = Destination.makeAsCircle(29, 1, 2, 2, "mustardball.png"); d.setActivationScore(7, 0, 0, 0); Score.setVictoryDestination(1); // create some goodies with special scores. Note that we're still // only dealing with type-1 scores Goodie g1 = Goodie.makeAsCircle(0, 30, 2, 2, "blueball.png"); g1.setScore(-2, 0, 0, 0); Goodie g2 = Goodie.makeAsCircle(0, 15, 2, 2, "blueball.png"); g2.setScore(7, 0, 0, 0); // create some regular goodies Goodie.makeAsCircle(30, 30, 2, 2, "blueball.png"); Goodie.makeAsCircle(35, 30, 2, 2, "blueball.png"); // print a goodie count to show how the count goes up and down Display.addGoodieCount(1, 0, " Progress", 220, 280, "arial.ttf", 60, 70, 255, 12); } /* * this level demonstrates that we can drag entities (in this case, * obstacles), and that we can make rotated obstacles. The latter could * be useful for having angled walls in a maze */ else if (whichLevel == 23) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Rotating oblong obstacles\nand draggable obstacles", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // draw obstacles that we can drag Obstacle o = Obstacle.makeAsBox(0, 0, 3.5f, 3.5f, "purpleball.png"); o.setPhysics(0, 100, 0); o.setCanDrag(true); Obstacle o2 = Obstacle.makeAsBox(7, 0, 3.5f, 3.5f, "purpleball.png"); o2.setPhysics(0, 100, 0); o2.setCanDrag(true); // draw an obstacle that is oblong (due to its width and height) and // that is rotated. Note that this should be a box, or it will not // have the right underlying shape. o = Obstacle.makeAsBox(12, 12, 3.5f, .5f, "purpleball.png"); o.setRotation(45); } /* * this level shows how we can use "poking" to move obstacles. In this * case, pressing an obstacle selects it, and pressing the screen moves * the obstacle to that location. Double-tapping an obstacle removes it. */ else if (whichLevel == 24) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); PreScene.get().addText("Touch the obstacle\nto select, then" + "\ntouch to move it", 255, 255, 255, "arial.ttf", 32); // draw a picture on the default plane (0)... there are actually 5 // planes (-2 through 2). Everything drawn on the same plane will be // drawn in order, so if we don't put this before the hero, the hero // will appear to go "under" the picture. Util.drawPicture(0, 0, 48, 32, "greenball.png", 0); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // make a pokeable obstacle Obstacle o = Obstacle.makeAsBox(0, 0, 3.5f, 3.5f, "purpleball.png"); o.setPhysics(0, 100, 0); // '250' is a number of milliseconds. Two presses within 250 // milliseconds will cause this obstacle to disappear, forever. Make // the number 0 if you want it to never disappear due to // double-touch. o.setPokeToPlace(250); } /* * In this level, the enemy chases the hero */ else if (whichLevel == 25) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("The enemy will chase you", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // create an enemy who chases the hero Enemy e3 = Enemy.makeAsCircle(35, 25, 2, 2, "redball.png"); e3.setPhysics(.1f, 0.3f, 0.6f); e3.setChaseSpeed(8, h, true, true); // draw a picture late within this block of code, but still cause // the picture to be drawn behind everything else by giving it a z // index of -1 Util.drawPicture(0, 0, 48, 32, "greenball.png", -2); // We can change the z-index of anything... let's move the enemy to // -2. Since we do this after drawing the picture, it will still be // drawn on top of the picture, but we should also be able to see it // go under the destination. e3.setZIndex(-2); } /* * We can make obstacles play sounds either when we collide with them, * or touch them */ else if (whichLevel == 26) { // set up a basic level Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Touch the purple ball \nor collide with it", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // set up our obstacle so that collision and touch make it play // sounds Obstacle o = Obstacle.makeAsCircle(10, 10, 3.5f, 3.5f, "purpleball.png"); o.setPhysics(1, 0, 1); o.setTouchSound("lowpitch.ogg"); o.setCollideSound("hipitch.ogg", 2000); } /* * this hero rotates so that it faces in the direction of movement. This * can be useful in games where the perspective is from overhead, and * the hero is moving in any X or Y direction */ else if (whichLevel == 27) { // set up a big screen Level.configure(4 * 48, 2 * 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("The star rotates in\nthe direction of movement", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 4 * 48, 2 * 32, "red.png", 1, 0, 1); Destination.makeAsCircle(29, 60, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // set up a hero who rotates in the direction of movement Hero h = Hero.makeAsCircle(2, 2, 3, 3, "stars.png"); h.setPhysics(.1f, 0, 0.6f); h.setRotationByDirection(); h.setMoveByTilting(); Level.setCameraChase(h); } /* * This level shows two things. The first is that a custom motion path * can allow things to violate the laws of physics and pass through * other things. The second is that motion paths can go off-screen. */ else if (whichLevel == 28) { // set up a regular level Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Reach the destination\nto win the game.", 255, 255, 255, "arial.ttf", 20); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(21.5f, 29, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(21.5f, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // this enemy starts from off-screen Enemy e = Enemy.makeAsCircle(1, -20, 44, 44, "redball.png"); e.setDefeatHeroText("Ha Ha Ha"); e.setRoute(new Route(3).to(1, -90).to(1, 26).to(1, -20), 30, true); } /* * This level shows that we can draw on the screen to create obstacles. * * This is also our first exposure to "callbacks". A "callback" is a way of providing code * that runs in response to some event. We use a callback to customize the obstacles that * are drawn to the screen in response to scribbles. */ else if (whichLevel == 29) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Draw on the screen\nto make obstacles appear", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(21.5f, 29, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(21.5f, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // turn on 'scribble mode'... this says "draw a purple ball that is 1.5x1.5 at the // location where the scribble happened, but only do it if we haven't drawn anything in // 10 milliseconds." It also says "when an obstacle is drawn, do some stuff to the // obstacle". If you don't want any of this functionality, you can replace the whole // "new LolCallback..." region of code with "null". Level.setScribbleMode("purpleball.png", 1.5f, 1.5f, 10, new LolCallback() { @Override public void onEvent() { // each time we draw an obstacle, it will be visible to this code as the // callback's "attached Actor". We'll change its elasticity, make it disappear // after 10 seconds, and make it so that the obstacles aren't stationary mAttachedActor.setPhysics(0, 2, 0); mAttachedActor.setDisappearDelay(10, true); mAttachedActor.setCanFall(); } }); } /* * This level shows that we can "flick" things to move them. Notice that * we do not enable tilt! Instead, we specified that there is a default * gravity in the Y dimension pushing everything down. This is much like * gravity on earth. The only way to move things, then, is via flicking * them. */ else if (whichLevel == 30) { // create a level with a constant force downward in the Y dimension Level.configure(48, 32); Physics.configure(0, -10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Destination.makeAsCircle(30, 10, 2.5f, 2.5f, "mustardball.png"); Score.setVictoryDestination(1); // create a hero who we can flick Hero h = Hero.makeAsCircle(4, 27, 3, 3, "stars.png"); h.setPhysics(.1f, 0, 0.6f); h.setFlickable(1f); h.disableRotation(); Obstacle o = Obstacle.makeAsCircle(8, 27, 3, 3, "purpleball.png"); o.setFlickable(.5f); } /* * this level introduces a new concept: side-scrolling games. Just like * in level 30, we have a constant force in the negative Y direction. * However, in this level, we say that tilt can produce forces in X but * not in Y. Thus we can tilt to move the hero left/right. Note, too, * that the hero will fall to the floor, since there is a constant * downward force, but there is not any mechanism to apply a Y force to * make it move back up. */ else if (whichLevel == 31) { // make a long level but not a tall level, and provide a constant // downward force: Level.configure(3 * 48, 32); Physics.configure(0, -10); // turn on tilt, but only in the X dimension Tilt.enable(10, 0); PreScene.get().addText("Side scroller / tilt demo", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Level.setCameraChase(h); } /* * In the previous level, it was hard to see that the hero was moving. * We can make a background layer to remedy this situation. Notice that * the background uses transparency to show the blue color for part of * the screen */ else if (whichLevel == 32) { // start by repeating the previous level: Level.configure(30 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Side scroller / tilt demo", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 30 * 48, 32, "red.png", 1, 0, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(30 * 48 - 5, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Level.setCameraChase(h); // now paint the background blue Background.setColor(23, 180, 255); // put in a picture that scrolls at half the speed of the hero in // the x direction. Note that background "layers" are all drawn // *before* anything that is drawn with a z index... so the // background will be behind the hero Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); // make an obstacle that hovers in a fixed place. Note that hovering // and zoom do not work together nicely. Obstacle o = Obstacle.makeAsCircle(10, 10, 5, 5, "blueball.png"); o.setHover(100, 100); // Add a meter to show how far the hero has traveled Display.addDistanceMeter(" m", 5, 300, "arial.ttf", 255, 0, 255, 16, h); // Add some text about the previous best score. Util.drawText(30, 30, "best: " + Facts.getGameFact("HighScore32", 0) + "M", 0, 0, 0, "arial.ttf", 12, 0); // when this level ends, we save the best score. Once the // score is saved, it is saved permanently on the phone, though // every re-execution on the desktop resets the best score. Note // that we save the score whether we win or lose. LolCallback sc = new LolCallback() { public void onEvent() { int oldBest = Facts.getGameFact("HighScore32", 0); if (oldBest < Score.getDistance()) Facts.putGameFact("HighScore32", Score.getDistance()); } }; Level.setWinCallback(sc); Level.setLoseCallback(sc); } /* * this level adds multiple background layers, and it also allows the * hero to jump via touch */ else if (whichLevel == 33) { // set up a standard side scroller with tilt: Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Press the hero to\nmake it jump", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 1); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // make a hero Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Level.setCameraChase(h); // this says that touching makes the hero jump h.setTouchToJump(); // this is the force of a jump. remember that up is positive. h.setJumpImpulses(0, 10); // the sound to play when we jump h.setJumpSound("fwapfwap.ogg"); // set up our background again, but add a few more layers Background.setColor(23, 180, 255); // this layer has a scroll factor of 0... it won't move Background.addHorizontalLayer(0, 1, "back.png", 0, 960, 640); // this layer moves at half the speed of the hero Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 480, 320); // this layer is faster than the hero Background.addHorizontalLayer(1.25f, 1, "front.png", 20, 454, 80); } /* * tilt doesn't always work so nicely in side scrollers. An alternative * is for the hero to have a fixed rate of motion. Another issue was * that you had to touch the hero itself to make it jump. Now, we use an * invisible button so touching any part of the screen makes the hero * jump. */ else if (whichLevel == 34) { // set up a side scroller, but don't turn on tilt Level.configure(3 * 48, 32); Physics.configure(0, -10); PreScene.get().addText("Press anywhere to jump", 255, 255, 255, "arial.ttf", 32); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // note: the bounding box does not have friction, and neither does // the hero Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 0, 0, 0); // make a hero, and ensure that it doesn't rotate Hero h = Hero.makeAsCircle(2, 0, 3, 7, "greenball.png"); h.disableRotation(); h.setPhysics(.1f, 0, 0); // give the hero a fixed velocity h.addVelocity(25, 0, false); // center the camera a little ahead of the hero, so he is not // centered h.setCameraOffset(15, 0); // enable jumping h.setJumpImpulses(0, 10); Level.setCameraChase(h); // set up the background Background.setColor(23, 180, 255); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); // draw a jump button that covers the whole screen Control.addJumpButton(0, 0, 960, 640, "", h); // if the hero jumps over the destination, we have a problem. To fix // it, let's put an invisible enemy right after the destination, so // that if the hero misses the destination, it hits the enemy and we // can start over. Of course, we could just do the destination like // this instead, but this is more fun... Enemy.makeAsBox(130, 0, .5f, 32, ""); } /* * the default is that once a hero jumps, it can't jump again until it * touches an obstacle (floor or wall). Here, we enable multiple jumps. * Coupled with a small jump impulse, this makes jumping feel more like * swimming or controlling a helicopter. */ else if (whichLevel == 35) { // Note: we can go above the trees Level.configure(3 * 48, 38); Physics.configure(0, -10); PreScene.get().addText("Multi-jump is enabled", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 38, "red.png", 1, 0, 0); Hero h = Hero.makeAsBox(2, 0, 3, 7, "greenball.png"); h.disableRotation(); h.setPhysics(1, 0, 0); h.addVelocity(5, 0, false); Level.setCameraChase(h); h.setCameraOffset(15, 0); // the hero now has multijump, with small jumps: h.setMultiJumpOn(); h.setJumpImpulses(0, 6); // this is all the same as before, to include the invisible enemy Background.setColor(23, 180, 255); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); Control.addJumpButton(0, 0, 960, 640, "", h); Destination.makeAsCircle(120, 31, 2, 2, "mustardball.png"); Enemy.makeAsBox(130, 0, .5f, 38, ""); Score.setVictoryDestination(1); } /* * This level shows that we can make a hero move based on how we touch * the screen */ else if (whichLevel == 36) { Level.configure(3 * 48, 32); Physics.configure(0, 0); PreScene.get().addText("Press screen borders\nto move the hero", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 1); Hero h = Hero.makeAsCircle(2, 0, 3, 3, "stars.png"); h.disableRotation(); h.setPhysics(.1f, 0, 0.6f); Level.setCameraChase(h); // this lets the hero flip its image when it moves backwards h.setDefaultAnimation(new Animation("stars.png", 200, true, 0, 0)); h.setDefaultReverseAnimation(new Animation("stars_flipped.png", 200, true, 7, 7)); Destination.makeAsCircle(120, 31, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Background.setColor(23, 180, 255); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); // let's draw an enemy, just in case anyone wants to try to go to // the top left corner Enemy.makeAsCircle(3, 27, 3, 3, "redball.png"); // draw some buttons for moving the hero Control.addLeftButton(0, 100, 100, 440, "", 15, h); Control.addRightButton(860, 100, 100, 440, "", 15, h); Control.addUpButton(100, 540, 760, 100, "", 15, h); Control.addDownButton(100, 0, 760, 100, "", 15, h); } /* * In the last level, we had complete control of the hero's movement. * Here, we give the hero a fixed velocity, and only control its up/down * movement. */ else if (whichLevel == 37) { Level.configure(3 * 48, 32); Physics.configure(0, 0); PreScene.get().addText("Press screen borders\nto move up and down", 255, 255, 255, "arial.ttf", 32); // The box and hero should not have friction Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 0); Destination.makeAsCircle(120, 31, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Background.setColor(23, 180, 255); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.disableRotation(); h.setPhysics(.1f, 0, 0); h.addVelocity(10, 0, false); Level.setCameraChase(h); // draw an enemy to avoid, and one at the end Enemy.makeAsCircle(53, 28, 3, 3, "redball.png"); Enemy.makeAsBox(130, 0, .5f, 32, ""); // draw the up/down controls Control.addDownButton(100, 0, 760, 100, "", 15, h); Control.addUpButton(100, 540, 760, 100, "", 15, h); } /* * this level demonstrates crawling heroes. We can use this to simulate * crawling, ducking, rolling, spinning, etc. Note, too, that we can use * it to make the hero defeat certain enemies via crawl. */ else if (whichLevel == 38) { Level.configure(3 * 48, 32); Physics.configure(0, -10); PreScene.get().addText("Press the screen\nto crawl", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, .3f, 0); Destination.makeAsCircle(120, 0, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Hero h = Hero.makeAsBox(2, 1, 3, 7, "greenball.png"); h.setPhysics(.1f, 0, 0); h.addVelocity(5, 0, false); Level.setCameraChase(h); // to enable crawling, we just draw a crawl button on the screen Control.addCrawlButton(0, 0, 960, 640, "", h); // make an enemy who we can defeat by colliding with it while // crawling Enemy e = Enemy.makeAsCircle(110, 1, 5, 5, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setDefeatByCrawl(); } /* * We can make a hero start moving only when it is pressed. This can * even let the hero hover until it is pressed. We could also use this * to have a game where the player puts obstacles in place, then starts * the hero moving. */ else if (whichLevel == 39) { Level.configure(3 * 48, 32); Physics.configure(0, -10); PreScene.get().addText("Press the hero\nto start moving\n", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 0); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); Destination.makeAsCircle(120, 0, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // make a hero who doesn't start moving until it is touched // // note that this hero is a box, and the hero is "norotate". You // will probably get strange behaviors if you choose any other // options Hero h = Hero.makeAsBox(2, 1, 3, 7, "greenball.png"); h.disableRotation(); h.setPhysics(1, 0, 0); h.setTouchAndGo(10, 0); Level.setCameraChase(h); } /* * LibLOL has limited support for SVG. If you draw a picture in Inkscape * or another SVG tool, and it only consists of lines, then you can * import it into your game as an obstacle. Drawing a picture on top of * the obstacle is probably a good idea, though we don't bother in this * level */ else if (whichLevel == 40) { Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); Tilt.setAsVelocity(true); PreScene.get().addText("Obstacles can\nbe drawn from SVG\nfiles", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, .3f, 1); // make a hero who can jump Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setJumpImpulses(0, 20); h.setTouchToJump(); h.setMoveByTilting(); Level.setCameraChase(h); // draw an obstacle from SVG Svg.importLineDrawing("shape.svg", 2f, .5f, 25f, 15f, new Svg.ActorCallback() { @Override public void handle(Actor line) { // This code is run each time a line of the SVG is drawn. When we get a line, // we'll give it some density and friction. Remember that the line is // actually a rotated obstacle line.setPhysics(1, 0, .1f); } }); // provide a destination Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); } /* * In a side-scrolling game, it is useful to be able to change the * hero's speed either permanently or temporarily. In LibLOL, we can use * a collision between a hero and an obstacle to achieve this effect. */ else if (whichLevel == 41) { Level.configure(10 * 48, 32); Physics.configure(0, 0); PreScene.get().addText("Speed boosters and reducers", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 10 * 480, 32, "", 1, 0, 1); Hero h = Hero.makeAsCircle(2, 0, 3, 3, "greenball.png"); h.disableRotation(); h.setPhysics(.1f, 0, 0.6f); h.addVelocity(10, 0, false); Level.setCameraChase(h); Destination.makeAsCircle(450, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Background.setColor(23, 180, 255); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); // place a speed-up obstacle that lasts for 2 seconds Obstacle o1 = Obstacle.makeAsCircle(40, 1, 4, 4, "purpleball.png"); o1.setSpeedBoost(20, 0, 2); // place a slow-down obstacle that lasts for 3 seconds Obstacle o2 = Obstacle.makeAsCircle(120, 1, 4, 6, "purpleball.png"); o2.setSpeedBoost(-9, 0, 3); // place a permanent +3 speedup obstacle... the -1 means "forever" Obstacle o3 = Obstacle.makeAsCircle(240, 1, 4, 4, "purpleball.png"); o3.setSpeedBoost(20, 0, -1); } /* * this is a very gross level, which exists just to show that * backgrounds can scroll vertically. */ else if (whichLevel == 42) { // set up a level where tilt only makes the hero move up and down Level.configure(48, 4 * 32); Physics.configure(0, 0); Tilt.enable(0, 10); PreScene.get().addText("Vertical scroller demo", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 4 * 32, "red.png", 1, 0, 1); Hero h = Hero.makeAsCircle(2, 120, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Level.setCameraChase(h); Destination.makeAsBox(0, 2, 48, 1, "mustardball.png"); Score.setVictoryDestination(1); // set up vertical scrolling backgrounds Background.setColor(255, 0, 255); Background.addVerticalLayer(1, 0, "back.png", 0, 960, 640); Background.addVerticalLayer(1, .5f, "mid.png", 0, 960, 640); Background.addVerticalLayer(1, 1, "front.png", 0, 454, 80); } /* * the next few levels demonstrate support for throwing projectiles. In * this level, we throw projectiles by touching the hero. Here, the * projectile always goes in the same direction */ else if (whichLevel == 43) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Press the hero\nto make it throw\nprojectiles", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // create a hero, and indicate that touching it makes it throw // projectiles Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); // when the hero is touched, a projectile will // fly straight up, out of the top of the hero. h.setTouchToThrow(h, 1.5f, 3, 0, 10); h.setMoveByTilting(); // configure a pool of projectiles. We say that there can be no more // than 3 projectiles in flight at any time. ProjectilePool.configure(3, 1, 1, "greyball.png", 1, 0, true); } /* * This is another demo of how throwing projectiles works. Like the * previous demo, it doesn't actually use projectiles for anything, it * is just to show how to get some different behaviors in terms of how * the projectiles move. In this case, we show that we can limit the * distance that projectiles travel, and that we can put a control on * the HUD for throwing projectiles */ else if (whichLevel == 44) { Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Press anywhere\nto throw a gray\nball", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 30, 3, 3, "greenball.png"); h.disableRotation(); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(120, 0, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // set up a pool of projectiles, but now once the projectiles travel // more than 25 meters, they disappear ProjectilePool.configure(100, 1, 1, "greyball.png", 1, 0, true); ProjectilePool.setRange(25); // add a button for throwing projectiles. Notice that this butotn // keeps throwing as long as it is held, but we've capped it to // throw no more than once per 100 milliseconds Control.addThrowButton(0, 0, 960, 640, "", h, 100, 3, 1.5f, 30, 0); Level.setCameraChase(h); } /* * this level demonstrates that we can defeat enemies by throwing * projectiles at them */ else if (whichLevel == 45) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); PreScene.get().addText("Defeat all enemies\nto win", 255, 255, 255, "arial.ttf", 32); Hero h = Hero.makeAsCircle(4, 27, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); // set up our projectiles... note that now projectiles each do 2 // units of damage ProjectilePool.configure(3, .4f, .1f, "greyball.png", 2, 0, true); // draw a few enemies... note that they have different amounts of // damage, so it takes different numbers of projectiles to defeat // them. Enemy e = Enemy.makeAsCircle(25, 25, 2, 2, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setRotationSpeed(1); for (int i = 1; i < 20; i += 5) { Enemy ee = Enemy.makeAsCircle(i, i + 5, 2, 2, "redball.png"); ee.setPhysics(1.0f, 0.3f, 0.6f); ee.setDamage(i); } // win by defeating enemies, of course! Score.setVictoryEnemyCount(); // this button only throws one projectile per press... Control.addSingleThrowButton(0, 0, 960, 640, "", h, .2f, -.5f, 0, 10); } /* * This level shows how to throw projectiles in a variety of directions. */ else if (whichLevel == 46) { Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Press anywhere\nto throw a ball", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.disableRotation(); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Level.setCameraChase(h); Destination.makeAsCircle(120, 0, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // draw a button for throwing projectiles in many directions... // again, note that if we hold the button, it keeps throwing Control.addDirectionalThrowButton(0, 0, 960, 640, "", h, 0, 0, 0); // set up our pool of projectiles. The main challenge here is that // the farther from the hero we press, the faster the projectile // goes, so we multiply the velocity by .8 to slow it down a bit ProjectilePool.configure(100, 1, 1, "greyball.png", 1, 0, true); ProjectilePool.setProjectileVectorDampeningFactor(.8f); ProjectilePool.setRange(30); } /* * this level shows that with the "vector" projectiles, we can still * have gravity affect the projectiles. This is very good for * basketball-style games. */ else if (whichLevel == 47) { Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Press anywhere\nto throw a ball", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.disableRotation(); h.setPhysics(0, 0, 0.6f); h.setMoveByTilting(); Level.setCameraChase(h); Destination.makeAsCircle(120, 0, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // we use a "single throw" button so that holding doesn't throw more // projectiles. Control.addDirectionalSingleThrowButton(0, 0, 960, 640, "", h, 1.5f, 1.5f); // we turn on projectile gravity, and then we enable collisions for // projectiles. This means that when a projectile collides with // something, it will transfer its momentum to that thing, if that // thing is moveable. This is a step toward our goal of being able // to bounce a basketball off of a backboard, but it's not quite // enough... ProjectilePool.configure(100, 1, 1, "greyball.png", 1, 0, true); ProjectilePool.setProjectileVectorDampeningFactor(.8f); ProjectilePool.setRange(40); ProjectilePool.setProjectileGravityOn(); ProjectilePool.enableCollisionsForProjectiles(); // This next line is interesting... it lets projectiles collide with // each other without disappearing ProjectilePool.setCollisionOk(); // Draw an obstacle... this is like our backboard, but we're putting // it in a spot that's more useful for testing than for playing a // game Obstacle o = Obstacle.makeAsBox(10, 20, 2, 2, "red.png"); // now comes the tricky part... we want to make it so that when the // ball hits the obstacle (the backboard), it doesn't disappear. The // only time a projectile does not disappear when hitting an // obstacle is when you provide custom code to run on a // projectile/obstacle collision... in that case, you are // responsible for removing the projectile (or for not removing it). // That being the case, we can set a "callback" to run custom code // when the projectile and obstacle collide, and then just have the // custom code do nothing. // this line says when a projectile and obstacle collide, if the // goodie counts are at least 0,0,0,0, then run the // callback code. o.setProjectileCollisionCallback(0, 0, 0, 0, new LolCallback() { public void onEvent() { } }); } /* * This level shows how we can attach a timer to an enemy. When the * timer runs out, if the enemy is still visible, then some custom code * will run. We can use this to simulate cancer cells or fire on a * building. The value of attaching the timer to the enemy is that we * can change the game state at the position where the enemy is. One * team even had an enemy that dropped goodies at its current location. * Note that the timer only runs once... you'll need to make a new timer * from within the code that runs when the timer expires. */ else if (whichLevel == 48) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 0); PreScene.get().addText("Throw balls at \nthe enemies before\nthey reproduce", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setTouchToThrow(h, 2, -.5f, 0, 10); h.setMoveByTilting(); // configure a pool of projectiles... now we have a sound that plays // when a projectile is thrown, and another for when it disappears ProjectilePool.configure(100, .5f, .5f, "greyball.png", 1, 0, true); ProjectilePool.setThrowSound("fwapfwap.ogg"); ProjectilePool.setProjectileDisappearSound("slowdown.ogg"); // draw an enemy that makes a sound when it disappears Enemy e = Enemy.makeAsCircle(23, 20, 1, 1, "redball.png"); e.setDisappearSound("lowpitch.ogg"); // This is tricky. We want to make the enemy reproduce. To that end, // we're going to set up a Callback that runs in a few seconds. The // tricky things are that (a) we don't want an enemy to reproduce if // the enemy has been defeated; (b) we want to limit the number of // times any enemy reproduces, so that reproductions don't get out // of hand; and (c) we want the reproduced enemies to also // reproduce. // We're going to make a SimpleCallback object to encapsulate the // code that we want to run. The trick is that SimpleCallback has a // field called "intVal", which is just an integer that we can use // however we want, and it has a field called "attachedSprite", // which is a way of keeping track of the entity (in this case, an // enemy) with which the callback is associated. LolCallback sc = new LolCallback() { public void onEvent() { // only reproduce the enemy if it is visible if (mAttachedActor.getVisible()) { // make an enemy to the left of and above attachedSprite Enemy left = Enemy.makeAsCircle(mAttachedActor.getXPosition() - 2 * mIntVal, mAttachedActor.getYPosition() + 2 * mIntVal, mAttachedActor.getWidth(), mAttachedActor.getHeight(), "redball.png"); left.setDisappearSound("lowpitch.ogg"); // make an enemy to the right of and above // attachedSprite Enemy right = Enemy.makeAsCircle(mAttachedActor.getXPosition() + 2 * mIntVal, mAttachedActor.getYPosition() + 2 * mIntVal, mAttachedActor.getWidth(), mAttachedActor.getHeight(), "redball.png"); right.setDisappearSound("lowpitch.ogg"); // if there are reproductions left, then have // attachedSprite and its two new children all reproduce // in 2 seconds if (mIntVal > 0) { // first, do the parent mIntVal--; // on the next line, 'this' refers to the // SimpleCallback object Level.setTimerCallback(2, this); // to do the children, create a new callback for // each of them. We can 'clone' this SimpleCallback // and then just change the attachedSprite, so that // we don't have to re-write this code. LolCallback l = this.clone(); l.mAttachedActor = left; Level.setTimerCallback(2, l); LolCallback r = this.clone(); r.mAttachedActor = right; Level.setTimerCallback(2, r); } } } }; sc.mIntVal = 2; sc.mAttachedActor = e; // request that in 2 seconds, if the enemy is still visible, // onTimerCallback() will run, with id == 2. Be sure to look at // the onTimerCallback code (below) for more information. Note that // there are two versions of the function, and this uses the second! Level.setTimerCallback(2, sc); // win by defeating enemies Score.setVictoryEnemyCount(); // put a count of defeated enemies on the screen Display.addDefeatedCount(0, " Enemies Defeated", 20, 20); } /* * This level shows that we can have moveable enemies that reproduce. Be * careful... it is possible to make a lot of enemies, really quickly */ else if (whichLevel == 49) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("These enemies are\nreally tricky", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 29, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // make our initial enemy Enemy e = Enemy.makeAsCircle(23, 2, 1, 1, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setMoveByTilting(); // set a timer callback on the enemy. warning: "6" is going to lead // to lots of enemies eventually, and there's no way to defeat them // in this level! Again, be sure to look at onEnemyTimerCallback() // below. LolCallback sc = new LolCallback() { public void onEvent() { // Make the new enemy Enemy e2 = Enemy.makeAsCircle(mAttachedActor.getXPosition(), mAttachedActor.getYPosition(), mAttachedActor.getWidth(), mAttachedActor.getHeight(), "redball.png"); e2.setPhysics(1.0f, 0.3f, 0.6f); e2.setMoveByTilting(); // make more enemies? if (mIntVal > 0) { mIntVal--; Level.setTimerCallback(2, this); LolCallback c2 = this.clone(); c2.mAttachedActor = e2; Level.setTimerCallback(2, c2); } } }; sc.mAttachedActor = e; sc.mIntVal = 6; Level.setTimerCallback(2, sc); } /* * this level shows simple animation. Every entity can have a default * animation. */ else if (whichLevel == 50) { // set up a basic level Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Animations", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // this hero will be animated: Hero h = Hero.makeAsCircle(4, 7, 3, 3, "stars.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); // this says that we scroll through the 0, 1, 2, and 3 cells of the // image, and we show each for 200 milliseconds. This is the "easy" // animation mechanism, where every cell is shown for the same // amount of time h.setDefaultAnimation(new Animation("stars.png", 200, true, 0, 1, 2, 3)); } /* * this level introduces jumping animations and disappearance animations */ else if (whichLevel == 51) { Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Press the hero to\nmake it jump", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 1); Background.setColor(23, 180, 255); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // make a hero, and give it two animations: one for when it is in // the air, and another for the rest of the time. Hero h = Hero.makeAsCircle(2, 2, 3, 3, "stars.png"); h.disableRotation(); h.setPhysics(.1f, 0, 0.6f); h.setJumpImpulses(0, 20); h.setTouchToJump(); h.setMoveByTilting(); Level.setCameraChase(h); // this is the more complex form of animation... we show the // different cells for different lengths of time h.setDefaultAnimation(new Animation("stars.png", 4, true).to(0, 150).to(1, 200).to(2, 300).to(3, 350)); // we can use the complex form to express the simpler animation, of // course h.setJumpAnimation(new Animation("stars.png", 4, true).to(4, 200).to(5, 200).to(6, 200).to(7, 200)); // create a goodie that has a disappearance animation. When the // goodie is ready to disappear, we'll remove it, and then we'll run // the disappear animation. That means that we can make it have any // size we want, but we need to offset it from the (defunct) // goodie's position. Note, too, that the final cell is blank, so // that we don't leave a residue on the screen. Goodie g = Goodie.makeAsCircle(15, 9, 5, 5, "stars.png"); g.setDisappearAnimation( new Animation("starburst.png", 4, false).to(2, 200).to(1, 200).to(0, 200).to(3, 200), 1, 0, 5, 5); } /* * this level shows that projectiles can be animated, and that we can * animate the hero while it throws a projectile */ else if (whichLevel == 52) { // set up a basic level Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Press the hero\nto make it\nthrow a ball", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // set up our hero Hero h = Hero.makeAsCircle(4, 7, 3, 3, "colorstar.png"); h.setPhysics(1, 0, 0.6f); h.setTouchToThrow(h, 0, -.5f, 0, 10); h.setMoveByTilting(); // set up an animation when the hero throws: h.setThrowAnimation(new Animation("colorstar.png", 2, false).to(3, 100).to(4, 500)); // make a projectile pool and give an animation pattern for the // projectiles ProjectilePool.configure(100, 1, 1, "flystar.png", 1, 0, true); ProjectilePool.setAnimation(new Animation("flystar.png", 100, true, 0, 1)); } /* * This level explores invincibility animation. While we're at it, we * make some enemies that aren't affected by invincibility, and some * that can even damage the hero while it is invincible. */ else if (whichLevel == 53) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("The blue ball will\nmake you invincible\nfor 15 seconds", 50, 50, 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Destination.makeAsCircle(29, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // make an animated hero, and give it an invincibility animation Hero h = Hero.makeAsCircle(2, 2, 3, 3, "colorstar.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); h.setDefaultAnimation( new Animation("colorstar.png", 4, true).to(0, 300).to(1, 300).to(2, 300).to(3, 300)); h.setInvincibleAnimation( new Animation("colorstar.png", 4, true).to(4, 100).to(5, 100).to(6, 100).to(7, 100)); // make some enemies for (int i = 0; i < 5; ++i) { Enemy e = Enemy.makeAsCircle(5 * i + 1, 25, 2, 2, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setRotationSpeed(1); e.setDamage(4); e.setDisappearSound("hipitch.ogg"); // The first enemy we create will harm the hero even if the hero // is invincible if (i == 0) e.setImmuneToInvincibility(); // the second enemy will not be harmed by invincibility, but // won't harm an invincible hero if (i == 1) e.setResistInvincibility(); } // neat trick: this enemy does zero damage, but slows the hero down. Enemy e = Enemy.makeAsCircle(30, 20, 2, 2, "redball.png"); e.setPhysics(10, 0.3f, 0.6f); e.setMoveByTilting(); e.setDamage(0); // add a goodie that makes the hero invincible Goodie g = Goodie.makeAsCircle(30, 30, 2, 2, "blueball.png"); g.setInvincibilityDuration(15); g.setRoute(new Route(3).to(30, 30).to(10, 10).to(30, 30), 5, true); g.setRotationSpeed(0.25f); Display.addGoodieCount(1, 0, " Goodies", 220, 280, "arial.ttf", 60, 70, 255, 12); // draw a picture when the level is won, and don't print text... // this particular picture isn't very useful WinScene.get().addImage("fade.png", 0, 0, 960, 640); WinScene.get().setDefaultWinText(""); } /* * demonstrate crawl animation, and also show that on multitouch phones, * we can "crawl" in the air while jumping. */ else if (whichLevel == 54) { Level.configure(3 * 48, 32); Physics.configure(0, -10); PreScene.get().addText("Press the left side of\nthe screen to crawl\n" + "or the right side\nto jump.", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, .3f, 0); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // make a hero with fixed velocity, and give it crawl and jump // animations Hero h = Hero.makeAsBox(2, 1, 3, 7, "stars.png"); h.setPhysics(1, 0, 0); h.addVelocity(15, 0, false); h.setCrawlAnimation(new Animation("stars.png", 4, true).to(0, 100).to(1, 300).to(2, 300).to(3, 100)); h.setJumpAnimation(new Animation("stars.png", 4, true).to(4, 200).to(5, 200).to(6, 200).to(7, 200)); // enable hero jumping and crawling h.setJumpImpulses(0, 15); Control.addJumpButton(0, 0, 480, 640, "", h); Control.addCrawlButton(480, 0, 480, 640, "", h); // add an enemy we can defeat via crawling, just for fun. It should // be defeated even by a "jump crawl" Enemy e = Enemy.makeAsCircle(110, 1, 5, 5, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setDefeatByCrawl(); // include a picture on the "try again" screen LoseScene.get().addImage("fade.png", 0, 0, 960, 640); LoseScene.get().setDefaultText("Oh well..."); Level.setCameraChase(h); } /* * This isn't quite the same as animation, but it's nice. We can * indicate that a hero's image changes depending on its strength. This * can, for example, allow a hero to change (e.g., get healthier) by * swapping through images as goodies are collected, or allow the hero * to switch its animation depending on how many enemies it has collided * with */ else if (whichLevel == 55) { // set up a basic level with a bunch of goodies Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); // Since colorstar.png has 8 frames, and we're displaying frame 0 as // "health == 0", let's add 7 more goodies, each of which adds 1 to // the hero's strength. for (int i = 0; i < 7; ++i) { Goodie g = Goodie.makeAsCircle(5 + 2 * i, 5 + 2 * i, 2, 2, "blueball.png"); g.setStrengthBoost(1); } Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // make 8 enemies, each with strength == 1. This means we can lose // the level, and that we can test moving our strength all the way // up to 7, and all the way back down to 0. for (int i = 0; i < 8; ++i) { Enemy e = Enemy.makeAsCircle(5 + 2 * i, 1 + 2 * i, 2, 2, "redball.png"); e.setDamage(1); } // Note: colorstar.png has 8 cells... Hero h = Hero.makeAsCircle(4, 27, 3, 3, "colorstar.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); // provide some code to run when the hero's strength changes h.setStrengthChangeCallback(new LolCallback() { public void onEvent() { // get the hero's strength. Since the hero isn't dead, the // strength is at least 1. Since there are 7 strength // booster goodies, the strength is at most 8. int s = ((Hero) mAttachedActor).getStrength(); // set the hero's image index to (s-1), i.e., one of the // indices in the range 0..7, depending on strength mAttachedActor.setImage("colorstar.png", s - 1); } }); } /* * demonstrate that obstacles can defeat enemies, and that we can use * this feature to have obstacles that only defeat certain "marked" * enemies */ else if (whichLevel == 56) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); // increase the speed at which tilt affects velocity Tilt.setGravityMultiplier(3); PreScene.get().addText("You can defeat\ntwo enemies with\nthe blue ball", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, 0, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(1, 0, 0.6f); h.setMoveByTilting(); // put an enemy defeated count on the screen, in red with a small // font Display.addDefeatedCount(2, " Enemies Defeated", 20, 20, "arial.ttf", 255, 0, 0, 10); // make a moveable obstacle that can defeat enemies Obstacle o = Obstacle.makeAsCircle(10, 2, 4, 4, "blueball.png"); o.setPhysics(.1f, 0, 0.6f); o.setMoveByTilting(); // this says that we don't need to collect any goodies before this // obstacle defeats enemies (0,0,0,0), and that when this obstacle // collides with any enemy, the onEnemyCollideCallback() code will // run, with id == 14. Notice, too, that there will be a half second // delay before the code runs. o.setEnemyCollisionCallback(0, 0, 0, 0, .5f, new LolCallback() { public void onEvent() { // This obstacle can only defeat the big enemy, and it // disappears when it defeats the enemy if (mCollideActor.getInfoText().equals("big")) { ((Enemy) mCollideActor).defeat(true); mAttachedActor.remove(true); } } }); // make a small obstacle that can also defeat enemies, but doesn't // disappear Obstacle o2 = Obstacle.makeAsCircle(.5f, .5f, 2, 2, "blueball.png"); o2.setPhysics(1, 0, 0.6f); o2.setMoveByTilting(); o2.setEnemyCollisionCallback(0, 0, 0, 0, 0, new LolCallback() { public void onEvent() { ((Enemy) mCollideActor).defeat(true); } }); // make four enemies Enemy e = Enemy.makeAsCircle(40, 2, 4, 4, "redball.png"); e.setPhysics(1, 0, 0.6f); e.setMoveByTilting(); Enemy e1 = Enemy.makeAsCircle(30, 2, 4, 4, "redball.png"); e1.setPhysics(1, 0, 0.6f); Enemy e2 = Enemy.makeAsCircle(40, 22, 2, 2, "redball.png"); e2.setPhysics(1, 0, 0.6f); e2.setMoveByTilting(); Enemy e3 = Enemy.makeAsCircle(40, 12, 4, 4, "redball.png"); e3.setPhysics(1, 0, 0.6f); e3.setMoveByTilting(); // now let's put a note into e2 and e3 e2.setInfoText("small"); e3.setInfoText("big"); // win by defeating enemies Score.setVictoryEnemyCount(2); // be sure to look at onEnemyCollideCallback to see how this level // will play out. } /* * this level shows an odd way of moving the hero. There's friction on * the floor, so it can only move by tilting while the hero is in the * air */ else if (whichLevel == 57) { Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Press the hero to\nmake it jump", 255, 255, 255, "arial.ttf", 32); // note: the floor has friction Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 1); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // make a box hero with friction... it won't roll on the floor, so // it's stuck! Hero h = Hero.makeAsBox(2, 2, 3, 3, "stars.png"); h.disableRotation(); h.setPhysics(.1f, 0, 5); h.setMoveByTilting(); Level.setCameraChase(h); // the hero *can* jump... h.setTouchToJump(); h.setJumpImpulses(0, 15); // draw a background Background.setColor(23, 180, 255); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); } /* * this level shows that we can put an obstacle on the screen and use it * to make the hero throw projectiles. It also shows that we can make * entities that shrink over time... growth is possible too, with a * negative value. */ else if (whichLevel == 58) { Level.configure(48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 5, 3, 3, "greenball.png"); h.setPhysics(1, 0, 0.6f); h.setMoveByTilting(); // make an obstacle that causes the hero to throw Projectiles when // touched Obstacle o = Obstacle.makeAsCircle(43, 27, 5, 5, "purpleball.png"); o.setCollisionsEnabled(false); o.setTouchToThrow(h, 1.5f, 1.5f, 0, 15); // set up our projectiles ProjectilePool.configure(3, 1, 1, "colorstar.png", 2, 0, true); ProjectilePool.setNumberOfProjectiles(20); // there are only 20... throw them carefully // Allow the projectile image to be chosen randomly from a sprite // sheet ProjectilePool.setImageSource("colorstar.png"); // show how many shots are left Display.addProjectileCount(" projectiles left", 5, 300, "arial.ttf", 255, 0, 255, 12); // draw a bunch of enemies to defeat Enemy e = Enemy.makeAsCircle(25, 25, 2, 2, "redball.png"); e.setPhysics(1.0f, 0.3f, 0.6f); e.setRotationSpeed(1); for (int i = 1; i < 20; i += 5) Enemy.makeAsCircle(i, i + 8, 2, 2, "redball.png"); // draw a few obstacles that shrink over time, to show that circles // and boxes work, we can shrink the X and Y rates independently, // and we can opt to center things as they shrink or grow Obstacle floor = Obstacle.makeAsBox(2, 3, 42, 3, "red.png"); floor.setShrinkOverTime(1, 1, true); Obstacle roof = Obstacle.makeAsBox(24, 30, 1, 1, "red.png"); roof.setShrinkOverTime(-1, 0, false); Obstacle ball1 = Obstacle.makeAsCircle(40, 8, 8, 8, "purpleball.png"); ball1.setShrinkOverTime(1, 2, true); Obstacle ball2 = Obstacle.makeAsCircle(40, 16, 8, 8, "purpleball.png"); ball2.setShrinkOverTime(2, 1, false); Score.setVictoryEnemyCount(5); } /* * this level shows that we can make a hero in the air rotate. Rotation * doesn't do anything, but it looks nice... */ else if (whichLevel == 59) { // make a simple level Level.configure(48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); PreScene.get().addText("Press to rotate the hero", 255, 255, 255, "arial.ttf", 32); // warning: this destination is just out of the hero's reach when // the hero // jumps... you'll have to hit the side wall and jump again to reach // it! Destination.makeAsCircle(46, 8, 2.5f, 2.5f, "mustardball.png"); Score.setVictoryDestination(1); // make the hero jumpable, so that we can see it spin in the air Hero h = Hero.makeAsCircle(4, 27, 3, 3, "stars.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); h.setJumpImpulses(0, 10); h.setTouchToJump(); // add rotation buttons Control.addRotateButton(0, 480, 160, 160, "", -.5f, h); Control.addRotateButton(760, 480, 160, 160, "", .5f, h); } /** * we can attach movement buttons to any moveable entity, so in this * case, we attach it to an obstacle to get an arkanoid-like effect. */ else if (whichLevel == 60) { // make a simple level Level.configure(48, 32); Physics.configure(0, 0); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 0, 0, 0); Destination.makeAsCircle(30, 10, 2.5f, 2.5f, "mustardball.png"); Score.setVictoryDestination(1); // make a hero who is always moving... note there is no friction, // anywhere, and the hero is elastic... it won't ever stop... Hero h = Hero.makeAsCircle(4, 4, 3, 3, "greenball.png"); h.setPhysics(0, 1, .1f); h.addVelocity(0, 10, false); // make an obstacle and then connect it to some controls Obstacle o = Obstacle.makeAsBox(2, 30.9f, 4, 1, "red.png"); o.setPhysics(100, 1, .1f); Control.addLeftButton(0, 0, 480, 640, "", 5, o); Control.addRightButton(480, 0, 480, 640, "", 5, o); } /* * this level demonstrates that things can appear and disappear on * simple timers */ else if (whichLevel == 61) { // set up a basic level Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Things will appear \nand disappear...", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // create an enemy that will quietly disappear after 2 seconds Enemy e1 = Enemy.makeAsCircle(25, 25, 2, 2, "redball.png"); e1.setPhysics(1.0f, 0.3f, 0.6f); e1.setRotationSpeed(1); e1.setDisappearDelay(2, true); // create an enemy that will appear after 3 seconds Enemy e2 = Enemy.makeAsCircle(35, 25, 2, 2, "redball.png"); e2.setPhysics(1.0f, 0.3f, 0.6f); e2.setRoute(new Route(3).to(35, 25).to(15, 25).to(35, 25), 3, true); e2.setAppearDelay(3); } /* * This level demonstrates the use of timer callbacks. We can use timers * to make more of the level appear over time. In this case, we'll chain * the timer callbacks together, so that we can get more and more things * to develop. Be sure to look at the onTimerCallback code to see how * the rest of this level works. */ else if (whichLevel == 62) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); PreScene.get().addText("There's nothing to\ndo... yet", 255, 255, 255, "arial.ttf", 20); // note: there's no destination yet, but we still say it's how to // win... we'll get a destination in this level after a few timers // run... Score.setVictoryDestination(1); // set a timer callback. after three seconds, the callback will run Level.setTimerCallback(2, new LolCallback() { public void onEvent() { // put up a pause scene to interrupt gameplay PauseScene.get().reset(); PauseScene.get().addText("Ooh... a draggable enemy", 255, 255, 0, "arial.ttf", 12); PauseScene.get().show(); // make a draggable enemy Enemy e3 = Enemy.makeAsCircle(35, 25, 2, 2, "redball.png"); e3.setPhysics(1.0f, 0.3f, 0.6f); e3.setCanDrag(true); } }); // set another callback that runs after 6 seconds (note: time // doesn't count while the PauseScene is showing...) Level.setTimerCallback(6, new LolCallback() { public void onEvent() { // clear the pause scene, then put new text on it PauseScene.get().reset(); PauseScene.get().addText("Touch the enemy and it will go away", 255, 0, 255, "arial.ttf", 12); PauseScene.get().show(); // add an enemy that is touch-to-defeat Enemy e4 = Enemy.makeAsCircle(35, 5, 2, 2, "redball.png"); e4.setPhysics(1.0f, 0.3f, 0.6f); e4.setDisappearOnTouch(); } }); // set a callback that runs after 9 seconds. Though it's not // necessary in this case, we're going to make the callback an // explicit object. This can be useful, as we'll see later on. Level.setTimerCallback(9, new LolCallback() { public void onEvent() { // draw an enemy, a goodie, and a destination, all with // fixed velocities PauseScene.get().reset(); PauseScene.get().addText("Now you can see the rest of the level", 255, 255, 0, "arial.ttf", 12); PauseScene.get().show(); Destination d = Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); d.addVelocity(-.5f, -1, false); Enemy e5 = Enemy.makeAsCircle(35, 15, 2, 2, "redball.png"); e5.setPhysics(1.0f, 0.3f, 0.6f); e5.addVelocity(4, 4, false); Goodie gg = Goodie.makeAsCircle(10, 10, 2, 2, "blueball.png"); gg.addVelocity(5, 5, false); } }); // Lastly, we can make a timer callback that runs over and over // again. This one starts after 2 seconds, then runs every second. Level.setTimerCallback(2, 1, new LolCallback() { public void onEvent() { // note that every SimpleCallback has a field called // "intVal" that is initially 0. By using and then modifying // that field inside of the timer code, we can ensure that // each execution of the timer is slightly different, even // if the game state hasn't changed. Obstacle.makeAsCircle(mIntVal % 48, mIntVal / 48, 1, 1, "purpleball.png"); mIntVal++; } }); } /* * This level shows callbacks that run on a collision between hero and * obstacle. In this case, it lets us draw out the next part of the * level later, instead of drawing the whole thing right now. In a real * level, we'd draw a few screens at a time, and not put the callback * obstacle at the end of a screen, so that we'd never see the drawing * of stuff taking place, but for this demo, that's actually a nice * effect. Be sure to look at onCollideCallback for more details. */ else if (whichLevel == 63) { Level.configure(3 * 48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Keep going right!", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 29, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Level.setCameraChase(h); Display.addGoodieCount(1, 0, " Goodies", 220, 280, "arial.ttf", 60, 70, 255, 12); Score.setVictoryDestination(1); // this obstacle is a collision callback... when the hero hits it, // the next part of the level appears, via onHeroCollideCallback(). // Note, too, that it disappears when the hero hits it, so we can // play a sound if we want... Obstacle o = Obstacle.makeAsBox(30, 0, 1, 32, "purpleball.png"); o.setPhysics(1, 0, 1); // the callback id is 0, there is no delay, and no goodies are // needed before it works o.setHeroCollisionCallback(0, 0, 0, 0, 0, new LolCallback() { public void onEvent() { // get rid of the obstacle we just collided with mAttachedActor.remove(false); // make a goodie Goodie.makeAsCircle(45, 1, 2, 2, "blueball.png"); // make an obstacle that is a callback, but that doesn't // work until the goodie count is 1 Obstacle oo = Obstacle.makeAsBox(60, 0, 1, 32, "purpleball.png"); // we're going to chain a bunch of callbacks together, and // the best way to do that is to make a single callback that // behaves differently based on the value of the callback's // intVal field. LolCallback sc2 = new LolCallback() { public void onEvent() { // The second callback works the same way if (mIntVal == 0) { mAttachedActor.remove(false); Goodie.makeAsCircle(75, 21, 2, 2, "blueball.png"); Obstacle oo = Obstacle.makeAsBox(90, 0, 1, 32, "purpleball.png"); oo.setHeroCollisionCallback(2, 0, 0, 0, 0, this); mIntVal = 1; } // same for the third callback else if (mIntVal == 1) { mAttachedActor.remove(false); Goodie.makeAsCircle(105, 1, 2, 2, "blueball.png"); Obstacle oo = Obstacle.makeAsBox(120, 0, 1, 32, "purpleball.png"); oo.setHeroCollisionCallback(3, 0, 0, 0, 0, this); mIntVal = 2; } // The fourth callback draws the destination else if (mIntVal == 2) { mAttachedActor.remove(false); // print a message and pause the game, via // PauseScene PauseScene.get().addText("The destination is\nnow available", 255, 255, 255, "arial.ttf", 32); Destination.makeAsCircle(120, 20, 2, 2, "mustardball.png"); } } }; oo.setHeroCollisionCallback(1, 0, 0, 0, 0, sc2); } }); o.setDisappearSound("hipitch.ogg"); } /* * this level demonstrates callbacks that happen when we touch an * obstacle. Be sure to look at the onTouchCallback() method for more * details */ else if (whichLevel == 64) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Activate and then \ntouch the obstacle", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); // make a destination... notice that it needs a lot more goodies // than are on the screen... Destination d = Destination.makeAsCircle(29, 1, 2, 2, "mustardball.png"); d.setActivationScore(3, 0, 0, 0); Score.setVictoryDestination(1); // draw an obstacle, make it a touch callback, and then draw the // goodie we need to get in order to activate the obstacle Obstacle o = Obstacle.makeAsCircle(10, 5, 3, 3, "purpleball.png"); o.setPhysics(1, 0, 1); // we'll give this callback the id "39", just for fun o.setTouchCallback(1, 0, 0, 0, true, new LolCallback() { public void onEvent() { // note: we could draw a picture of an open chest in the // obstacle's place, or even use a disappear animation whose // final frame looks like an open treasure chest. mAttachedActor.remove(false); for (int i = 0; i < 3; ++i) Goodie.makeAsCircle(9 * i, 20 - i, 2, 2, "blueball.png"); } }); o.setDisappearSound("hipitch.ogg"); Goodie g = Goodie.makeAsCircle(0, 30, 2, 2, "blueball.png"); g.setDisappearSound("lowpitch.ogg"); } /* * this level shows how to use enemy defeat callbacks. There are four * ways to defeat an enemy, so we enable all mechanisms in this level, * to see if they all work to cause enemy callbacks to run the * onEnemyCallback code. Another important point here is that the IDs * don't need to be unique for *any* callbacks. We can use the same ID * every time... */ else if (whichLevel == 65) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 0, 0, 0); // give the hero strength, so that we can use him to defeat an enemy // as a test of enemy callbacks Hero h = Hero.makeAsCircle(12, 12, 4, 4, "greenball.png"); h.setStrength(3); h.setMoveByTilting(); h.setInvincibleAnimation( new Animation("colorstar.png", 4, true).to(4, 100).to(5, 100).to(6, 100).to(7, 100)); // a goodie, so we can do defeat by invincibility Goodie g1 = Goodie.makeAsCircle(20, 29, 2, 3, "purpleball.png"); g1.setInvincibilityDuration(15); // enable throwing projectiles, so that we can test enemy callbacks // again h.setTouchToThrow(h, 4, 2, 30, 0); ProjectilePool.configure(100, 1, 1, "greyball.png", 1, 0, true); // add an obstacle that has an enemy collision callback, so it can // defeat enemies Obstacle o = Obstacle.makeAsCircle(30, 10, 5, 5, "blueball.png"); o.setPhysics(1000, 0, 0); o.setCanDrag(false); o.setEnemyCollisionCallback(0, 0, 0, 0, 0, new LolCallback() { public void onEvent() { if (mCollideActor.getInfoText().equals("weak")) { ((Enemy) mCollideActor).defeat(true); } } }); // now draw our enemies... we need enough to be able to test that // all four defeat mechanisms work. Note that we attach defeat // callback code to each of them. LolCallback sc = new LolCallback() { public void onEvent() { // always reset the pausescene, in case it has something on // it from before... PauseScene.get().reset(); PauseScene.get().addText("good job, here's a prize", 88, 226, 160, "arial.ttf", 16); PauseScene.get().show(); // use random numbers to figure out where to draw a goodie // as a reward... picking in the range 0-46,0-30 ensures // that with width and height of 2, the goodie stays on // screen Goodie.makeAsCircle(Util.getRandom(46), Util.getRandom(30), 2, 2, "blueball.png"); } }; Enemy e1 = Enemy.makeAsCircle(5, 5, 1, 1, "redball.png"); e1.setDefeatCallback(sc); Enemy e2 = Enemy.makeAsCircle(5, 5, 2, 2, "redball.png"); e2.setDefeatCallback(sc); e2.setInfoText("weak"); Enemy e3 = Enemy.makeAsCircle(40, 3, 1, 1, "redball.png"); e3.setDefeatCallback(sc); Enemy e4 = Enemy.makeAsCircle(25, 25, 1, 1, "redball.png"); e4.setDefeatCallback(sc); e4.setDisappearOnTouch(); Enemy e5 = Enemy.makeAsCircle(25, 29, 1, 1, "redball.png"); e5.setDefeatCallback(sc); // win by defeating enemies Score.setVictoryEnemyCount(); } /* * This level shows that we can resize a hero on the fly, and change its * image. We use a collision callback to cause the effect. Furthermore, * we can increment scores inside of the callback code, which lets us * activate the destination on an obstacle collision */ else if (whichLevel == 66) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Only stars can reach\nthe destination", 255, 255, 255, "arial.ttf", 20); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 29, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Display.addGoodieCount(1, 0, " Goodies", 220, 280, "arial.ttf", 60, 70, 255, 12); // the destination won't work until some goodies are collected... Destination d = Destination.makeAsBox(46, 2, 2, 2, "colorstar.png"); d.setActivationScore(4, 1, 3, 0); Score.setVictoryDestination(1); // Colliding with this star will make the hero into a star... see // onHeroCollideCallback for details Obstacle o = Obstacle.makeAsBox(30, 0, 3, 3, "stars.png"); o.setPhysics(1, 0, 1); o.setHeroCollisionCallback(0, 0, 0, 0, 1, new LolCallback() { public void onEvent() { // here's a simple way to increment a goodie count Score.incrementGoodiesCollected2(); // here's a way to set a goodie count Score.setGoodiesCollected3(3); // here's a way to read and write a goodie count Score.setGoodiesCollected1(4 + Score.getGoodiesCollected1()); // get rid of the star, so we know it's been used mAttachedActor.remove(true); // resize the hero, and change its image mCollideActor.resize(mCollideActor.getXPosition(), mCollideActor.getYPosition(), 5, 5); mCollideActor.setImage("stars.png", 0); } }); } /* * This level shows how to use countdown timers to win a level, tests * some color features, and introduces a vector throw mechanism with * fixed velocity */ else if (whichLevel == 67) { Level.configure(48, 32); Physics.configure(0, -10); PreScene.get().addText("Press anywhere\nto throw a ball", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); // Here's a simple pause button and pause scene PauseScene.get().addText("Game Paused", 255, 255, 255, "arial.ttf", 32); Control.addPauseButton(0, 300, 20, 20, "red.png"); // draw a hero, and a button for throwing projectiles in many // directions. Note that this is going to look like an "asteroids" // game, with a hero covering the bottom of the screen, so that // anything that falls to the bottom counts against the player Hero h = Hero.makeAsBox(1, 0, 46, 1, "greenball.png"); Control.addDirectionalThrowButton(0, 0, 960, 640, "", h, 100, 0, 1); // set up our pool of projectiles, then set them to have a fixed // velocity when using the vector throw mechanism ProjectilePool.configure(100, 1, 1, "greyball.png", 1, 0, true); ProjectilePool.setRange(50); ProjectilePool.setFixedVectorThrowVelocity(5); // we're going to win by "surviving" for 25 seconds... with no // enemies, that shouldn't be too hard Display.addWinCountdown(25, 28, 250, "arial.ttf", 192, 192, 192, 16); // just to play it safe, let's say that we win on destination... // this ensures that collecting goodies or defeating enemies won't // accidentally cause us to win. Of course, with no destination, // there's no way to win now, except surviving. Score.setVictoryDestination(1); } /* * We can make a hero hover, and then have it stop hovering when it is * flicked or moved via "touchToMove". This demonstrates the effect via * flick. It also shows that an enemy (or obstacle/goodie/destination) * can fall due to gravity. */ else if (whichLevel == 68) { Level.configure(48, 32); Physics.configure(0, -10); PreScene.get().addText("Flick the hero into the destination", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsBox(21, 23, 3, 3, "greenball.png"); h.setHover(21, 23); h.setFlickable(0.7f); // place an enemy, let it fall Enemy e = Enemy.makeAsCircle(31, 25, 3, 3, "redball.png"); e.setCanFall(); Destination.makeAsCircle(25, 25, 5, 5, "mustardball.png"); Score.setVictoryDestination(1); } /* * The default behavior is for a hero to be able to jump any time it * collides with an obstacle. This isn't, of course, the smartest way to * do things, since a hero in the air shouldn't jump. One way to solve * the problem is by altering the presolve code in Physics.java. Another * approach, which is much simpler, is to mark some walls so that the * hero doesn't have jump re-enabled upon a collision. */ else if (whichLevel == 69) { Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Press the hero to\nmake it jump", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 1); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.5f, 0, 0.6f); h.setMoveByTilting(); h.setTouchToJump(); h.setJumpImpulses(0, 15); Level.setCameraChase(h); // hero can jump while on this obstacle Obstacle.makeAsBox(10, 3, 10, 1, "red.png"); // hero can't jump while on this obstacle Obstacle o = Obstacle.makeAsBox(40, 3, 10, 1, "red.png"); o.setReJump(false); } /* * When something chases an entity, we might not want it to chase in * both the X and Y dimensions... this shows how we can chase in a * single direction. */ else if (whichLevel == 70) { // set up a simple level Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("You can walk through the wall", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "stars.png"); h.setMoveByTilting(); Destination.makeAsCircle(42, 31, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // These obstacles chase the hero, but only in one dimension Obstacle e = Obstacle.makeAsCircle(0, 0, 1, 1, "red.png"); e.setChaseSpeed(15, h, false, true); e.setCollisionsEnabled(true); Obstacle e2 = Obstacle.makeAsCircle(0, 0, 1, 1, "red.png"); e2.setChaseSpeed(15, h, true, false); e2.setCollisionsEnabled(true); // Here's a wall, and a movable round obstacle Obstacle o = Obstacle.makeAsBox(40, 1, .5f, 20, "red.png"); Obstacle o2 = Obstacle.makeAsCircle(8, 8, 2, 2, "blueball.png"); o2.setMoveByTilting(); // The hero can pass through this wall, because both have the same // passthrough value h.setPassThrough(7); o.setPassThrough(7); } /* * PokeToPlace is nice, but sometimes it's nicer to use Poke to cause * movement to the destination, instead of an immediate jump. */ else if (whichLevel == 71) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 0, 0, 0); PreScene.get().addText("Poke the hero, then\n where you want it\nto go.", 255, 255, 255, "arial.ttf", 32); // This hero moves via poking. the "false" means that we don't have // to poke hero, poke location, poke hero, poke location, ... // Instead, we can poke hero, poke location, poke location. the // first "true" means that as we drag our finger, the hero will // change its direction of travel. The second "true" means the hero // will stop immediately when we release our finger. Hero h = Hero.makeAsCircle(4, 7, 3, 3, "stars.png"); h.setDefaultAnimation(new Animation("stars.png", 200, true, 0, 0)); h.setDefaultReverseAnimation(new Animation("stars_flipped.png", 200, true, 7, 7)); h.setPokePath(4, false); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // sometimes a control needs to have a large touchable area, but a // small image. One way to do it is to make an invisible control, // then put a picture on top of it. This next line shows how to draw // a picture on the HUD Control.addImage(40, 40, 40, 40, "red.png"); } /* * It can be useful to make a Hero stick to an obstacle. As an example, * if the hero should stand on a platform that moves along a route, then * we will want the hero to "stick" to it, even as the platform moves * downward. */ else if (whichLevel == 72) { Level.configure(48, 32); Physics.configure(0, -10); PreScene.get().addText("Press screen borders\nto move the hero", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, 0, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.disableRotation(); h.setJumpImpulses(0, 15); h.setTouchToJump(); // give a little friction, to help the hero stick to platforms h.setPhysics(2, 0, .5f); // create a destination Destination.makeAsCircle(20, 15, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // This obstacle is sticky on top... Jump onto it and watch what // happens Obstacle o = Obstacle.makeAsBox(10, 5, 8, .5f, "red.png"); o.setRoute(new Route(5).to(10, 5).to(5, 15).to(10, 25).to(15, 15).to(10, 5), 5, true); o.setPhysics(100, 0, .1f); o.setSticky(true, false, false, false); // This obstacle is not sticky... it's not nearly as much fun Obstacle o2 = Obstacle.makeAsBox(30, 5, 8, .5f, "red.png"); o2.setRoute(new Route(5).to(30, 5).to(25, 15).to(30, 25).to(45, 15).to(30, 5), 5, true); o2.setPhysics(100, 0, 1f); // draw some buttons for moving the hero Control.addLeftButton(0, 100, 100, 440, "", 5, h); Control.addRightButton(860, 100, 100, 440, "", 5, h); } /* * When using "vector" projectiles, if the projectile isn't a circle we * might want to rotate it in the direction of travel. Also, this level * shows how to do walls that can be passed through in one direction. */ else if (whichLevel == 73) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Press anywhere\nto shoot a laserbeam", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.disableRotation(); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(42, 31, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // draw a button for throwing projectiles in many directions. It // only covers half the screen, to show how such an effect would // behave Control.addDirectionalThrowButton(0, 0, 480, 640, "", h, 100, 0, 0); // set up a pool of projectiles with fixed velocity, and with // rotation ProjectilePool.configure(100, .1f, 3, "red.png", 1, 0, false); ProjectilePool.setFixedVectorThrowVelocity(10); ProjectilePool.setRotateVectorThrow(); // create a box that is easy to fall into, but hard to get out of, // by making its sides each "one-sided" Obstacle bottom = Obstacle.makeAsBox(10, 10, 10, .2f, "red.png"); bottom.setOneSided(2); Obstacle left = Obstacle.makeAsBox(10, 10, .2f, 10, "red.png"); left.setOneSided(1); Obstacle right = Obstacle.makeAsBox(20, 10, .2f, 10, "red.png"); right.setOneSided(3); Obstacle top = Obstacle.makeAsBox(10, 25, 10, .2f, "red.png"); top.setOneSided(0); } /* * This level shows how to use multiple types of goodie scores */ else if (whichLevel == 74) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Green, Red, and Grey\nballs are goodies", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "stars.png"); h.setMoveByTilting(); // the destination requires lots of goodies of different types Destination d = Destination.makeAsCircle(42, 31, 2, 2, "mustardball.png"); d.setActivationScore(1, 1, 3, 0); Score.setVictoryDestination(1); Display.addGoodieCount(1, 0, " blue", 10, 110, "arial.ttf", 0, 255, 255, 16); Display.addGoodieCount(2, 0, " green", 10, 140, "arial.ttf", 0, 255, 255, 16); Display.addGoodieCount(3, 0, " red", 10, 170, "arial.ttf", 0, 255, 255, 16); Display.addCountdown(100, "", 250, 30); // draw the goodies for (int i = 0; i < 3; ++i) { Goodie b = Goodie.makeAsCircle(10 * i, 30, 2, 2, "blueball.png"); b.setScore(1, 0, 0, 0); Goodie g = Goodie.makeAsCircle(10 * i + 2.5f, 30, 1, 1, "greenball.png"); g.setScore(0, 1, 0, 0); Goodie r = Goodie.makeAsCircle(10 * i + 6, 30, 1, 1, "redball.png"); r.setScore(0, 0, 1, 0); } // When the hero collides with this obstacle, we'll increase the // time remaining. See onHeroCollideCallback() Obstacle o = Obstacle.makeAsBox(40, 0, 5, 200, "red.png"); o.setHeroCollisionCallback(1, 1, 1, 0, 0, new LolCallback() { public void onEvent() { // add 15 seconds to the timer Score.updateTimerExpiration(15); mAttachedActor.remove(true); } }); } /* * this level shows passthrough objects and chase again, to help * demonstrate how chase works */ else if (whichLevel == 75) { // set up a simple level Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("You can walk through the wall", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "stars.png"); h.setMoveByTilting(); h.setPassThrough(7); // make sure obstacle has same value // the destination requires lots of goodies of different types Destination.makeAsCircle(42, 31, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // the enemy chases the hero, but can't get through the wall Enemy e = Enemy.makeAsCircle(42, 1, 5, 4, "red.png"); e.setChaseSpeed(1, h, true, true); Obstacle o = Obstacle.makeAsBox(40, 1, .5f, 20, "red.png"); o.setPassThrough(7); } /* * We can have a control that increases the hero's speed while pressed, * and decreases it upon release */ else if (whichLevel == 76) { Level.configure(3 * 48, 32); Physics.configure(0, 10); PreScene.get().addText("Press anywhere to speed up", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 0); Destination.makeAsCircle(120, 31, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Hero h = Hero.makeAsBox(2, 25, 3, 7, "greenball.png"); h.disableRotation(); h.setPhysics(1, 0, 0); // give the hero a fixed velocity h.addVelocity(4, 0, false); // center the camera a little ahead of the hero h.setCameraOffset(15, 0); Level.setCameraChase(h); // set up the background Background.setColor(23, 180, 255); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); // draw a turbo boost button that covers the whole screen... make // sure its "up" speeds match the hero velocity Control.addTurboButton(0, 0, 960, 640, "", 15, 0, 4, 0, h); } /* * Sometimes, we want to make the hero move when we press a control, but * when we release we don't want an immediate stop. This shows how to * get that effect. */ else if (whichLevel == 77) { Level.configure(3 * 48, 32); Physics.configure(0, -10); PreScene.get().addText("Press anywhere to start moving", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 0); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Hero h = Hero.makeAsBox(2, 1, 3, 7, "greenball.png"); h.setCameraOffset(15, 0); Level.setCameraChase(h); Background.setColor(23, 180, 255); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 960, 640); // This control has a dampening effect, so that on release, the hero // slowly stops Control.addDampenedMotionButton(0, 0, 960, 640, "", 10, 0, 4, h); } /* * One-sided obstacles can be callback obstacles. This allows, among * other things, games like doodle jump. This level shows how it all * interacts. */ else if (whichLevel == 78) { Level.configure(48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("One-sided + Callbacks", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.disableRotation(); h.setPhysics(.1f, 0, 0); h.setMoveByTilting(); h.setJumpImpulses(0, 15); h.setTouchToJump(); Destination.makeAsCircle(42, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // create a platform that we can jump through from above Obstacle platform = Obstacle.makeAsBox(10, 5, 10, .2f, "red.png"); platform.setOneSided(2); // Set a callback, then re-enable the platform's collision effect. // Be sure to check onHeroCollideCallback platform.setHeroCollisionCallback(0, 0, 0, 0, 0, new LolCallback() { public void onEvent() { mCollideActor.setAbsoluteVelocity(mCollideActor.getXVelocity(), 5, false); } }); platform.setCollisionsEnabled(true); // make the z index of the platform -1, so that the hero (index 0) // will be drawn on top of the box, not under it platform.setZIndex(-1); } /* * This level fleshes out some more poke-to-move stuff. Now we'll say * that once a hero starts moving, the player must re-poke the hero * before it can be given a new destination. Also, the hero will keep * moving after the screen is released. We will also show the Fact * interface. */ else if (whichLevel == 79) { Level.configure(48, 32); Physics.configure(0, 0); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 0, 0, 0); PreScene.get().addText("Poke the hero, then\n where you want it\nto go.", 255, 255, 255, "arial.ttf", 32); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setMoveByTilting(); h.setFingerChase(4, false, true); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // A callback control is a way to run arbitrary code whenever the // control is pressed. This is something of a catch-all for any sort // of behavior we might want. See onControlPressCallback(). Control.addCallbackControl(40, 40, 40, 40, "red.png", new LolCallback() { public void onEvent() { PauseScene.get().reset(); PauseScene.get().addText("Current score " + Score.getGoodiesCollected1(), 255, 255, 255, "arial.ttf", 20); PauseScene.get().show(); Score.incrementGoodiesCollected1(); } }); Display.addLevelFact("level test", 240, 40, "arial.ttf", 0, 0, 0, 12, "-", "."); Display.addSessionFact("session test", 240, 80, "arial.ttf", 0, 0, 0, 12, "-", "."); Display.addGameFact("game test", 240, 120, "arial.ttf", 0, 0, 0, 12, "-", "."); Control.addCallbackControl(40, 90, 40, 40, "red.png", new LolCallback() { public void onEvent() { Facts.putLevelFact("level test", 1 + Facts.getLevelFact("level test", -1)); } }); Control.addCallbackControl(40, 140, 40, 40, "red.png", new LolCallback() { public void onEvent() { Facts.putSessionFact("session test", 1 + Facts.getSessionFact("session test", -1)); } }); Control.addCallbackControl(40, 190, 40, 40, "red.png", new LolCallback() { public void onEvent() { Facts.putGameFact("game test", 1 + Facts.getGameFact("game test", -1)); } }); } /* * Sometimes we need to manually force an entity to be immune to * gravity. */ else if (whichLevel == 80) { Level.configure(48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Testing Gravity Defy?", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.disableRotation(); h.setPhysics(1, 0, 0.6f); h.setMoveByTilting(); h.setJumpImpulses(0, 15); h.setTouchToJump(); Destination d = Destination.makeAsCircle(42, 14, 2, 2, "mustardball.png"); // note: it must not be immune to physics (third parameter true), or // it will pass through the bounding box, but we do want it to move // and not fall downward d.setAbsoluteVelocity(-2, 0, false); d.setGravityDefy(); Score.setVictoryDestination(1); } /* * Test to show that we can have obstacles with a polygon shape */ else if (whichLevel == 81) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Testing Polygons", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.disableRotation(); h.setMoveByTilting(); Destination.makeAsCircle(42, 14, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // create a polygon obstacle Obstacle o = Obstacle.makeAsPolygon(10, 10, 2, 5, "blueball.png", -1, 2, -1, 0, 0, -3, 1, 0, 1, 1); o.setShrinkOverTime(1, 1, true); } /* * A place for playing with a side-scrolling platformer that has lots of * features */ else if (whichLevel == 82) { // set up a standard side scroller with tilt: Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); PreScene.get().addText("Press the hero to\nmake it jump", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 1); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // set up a simple jumping hero Hero h = Hero.makeAsBox(5, 0, 2, 6, "greenball.png"); h.setJumpImpulses(0, 15); h.setTouchToJump(); h.setMoveByTilting(); Level.setCameraChase(h); // This enemy can be defeated by jumping. Note that the hero's // bottom must be higher than the enemy's middle point, or the jump // won't defeat the enemy. Enemy e = Enemy.makeAsCircle(15, 0, 5, 5, "redball.png"); e.setDefeatByJump(); } /* * Demonstrate the ability to set up paddles that rotate back and forth */ else if (whichLevel == 83) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Avoid revolving obstacles", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, 0, 1); Hero h = Hero.makeAsCircle(5, 0, 2, 6, "greenball.png"); h.setMoveByTilting(); // Note: you must give density to the revolving part... Obstacle revolving = Obstacle.makeAsBox(20, 10, 2, 8, "red.png"); revolving.setPhysics(1, 0, 0); Obstacle anchor = Obstacle.makeAsBox(20, 19, 2, 2, "blueball.png"); revolving.setRevoluteJoint(anchor, 0, 0, 0, 6); revolving.setRevoluteJointLimits(1.7f, -1.7f); revolving.setRevoluteJointMotor(4, Float.POSITIVE_INFINITY); Destination.makeAsCircle(40, 30, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); } /* * Demonstrate panning to view more of the level */ else if (whichLevel == 84) { // set up a big screen Level.configure(4 * 48, 2 * 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("The star rotates in\nthe direction of movement", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 4 * 48, 2 * 32, "red.png", 1, 0, 1); Destination.makeAsCircle(29, 60, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // set up a hero who rotates in the direction of movement Hero h = Hero.makeAsCircle(2, 2, 3, 3, "stars.png"); h.setPhysics(.1f, 0, 0.6f); h.setRotationByDirection(); h.setMoveByTilting(); Level.setCameraChase(h); // zoom buttons Control.addZoomOutButton(0, 0, 480, 640, "", 8); Control.addZoomInButton(480, 0, 480, 640, "", .25f); // turn on panning Control.addPanControl(0, 0, 960, 640, ""); } /* * Demonstrate pinch-to-zoom, and also demonstrate one-time callback * controls */ else if (whichLevel == 85) { // set up a big screen Level.configure(4 * 48, 2 * 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("The star rotates in\nthe direction of movement", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 4 * 48, 2 * 32, "red.png", 1, 0, 1); Destination.makeAsCircle(29, 60, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // set up a hero who rotates in the direction of movement Hero h = Hero.makeAsCircle(2, 2, 3, 3, "stars.png"); h.setPhysics(.1f, 0, 0.6f); h.setRotationByDirection(); h.setMoveByTilting(); Level.setCameraChase(h); // turn on pinch zoomg Control.addPinchZoomControl(0, 0, 960, 640, "", 8, .25f); // add a one-time callback control Control.addOneTimeCallbackControl(40, 40, 40, 40, "blueball.png", "greenball.png", new LolCallback() { public void onEvent() { PauseScene.get().addText("you can only pause once...", 255, 255, 255, "arial.ttf", 20); PauseScene.get().show(); } }); } /* * Demonstrate some advanced controls */ else if (whichLevel == 86) { // set up a screen Level.configure(48, 32); Physics.configure(0, 0); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, 0, 1); Destination.makeAsCircle(29, 30, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // set up a hero who rotates in the direction of movement Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); Level.setCameraChase(h); h.setDamping(1); h.setAngularDamping(1); // when the hero stops, we'll run code that turns the hero red h.setStopCallback(new LolCallback() { public void onEvent() { // NB: the setStopCallback call sets the callback's // attachedSprite to the hero. mAttachedActor.setImage("red.png", 0); } }); // add some new controls for setting the rotation of the hero and // making the hero move based on a speed LolCallback rotatorSC = new LolCallback() { public void onEvent() { // rotator... save the rotation and rotate the hero mAttachedActor.setRotation(mFloatVal * (float) Math.PI / 180); // multiply float val by 100 to preserve some decimal places Facts.putLevelFact("rotation", (int) (100 * mFloatVal)); } }; rotatorSC.mAttachedActor = h; Control.addRotator(215, 135, 50, 50, "stars.png", 2, rotatorSC); LolCallback barSC = new LolCallback() { public void onEvent() { // vertical bar... make the entity move int rotation = Facts.getLevelFact("rotation", 0) / 100; // create a unit vector Vector2 v = new Vector2(1, 0); v.scl(mFloatVal); v.rotate(rotation + 90); mAttachedActor.setDamping(2f); mAttachedActor.setAbsoluteVelocity(v.x, v.y, false); } }; barSC.mAttachedActor = h; Control.addVerticalBar(470, 0, 10, 320, "greenball.png", barSC); } /* * Weld joints */ else if (whichLevel == 87) { // set up a screen Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, 0, 1); Destination.makeAsCircle(29, 30, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // set up a hero and fuse an obstacle to it Hero h = Hero.makeAsCircle(4, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Obstacle o = Obstacle.makeAsCircle(1, 1, 1, 1, "blueball.png"); o.setCanFall(); h.setWeldJoint(o, 3, 0, 0, 0, 45); } /* * Demonstrate that we can have callback buttons on PauseScenes */ else if (whichLevel == 88) { Level.configure(48, 32); Physics.configure(0, 0); Tilt.enable(10, 10); PreScene.get().addText("Interactive Pause Scenes\n(click the red square)", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); Hero h = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // Demonstrate the ability to chase while keeping existing velocity // in one direction Obstacle o = Obstacle.makeAsCircle(15, 15, 2, 2, "purpleball.png"); o.setAbsoluteVelocity(5, 1, false); o.setChaseFixedMagnitude(h, 3, 0, false, true); // Create a pause scene that has a back button on it, and a button // for pausing the level PauseScene.get().addText("Game Paused", 255, 255, 255, "arial.ttf", 32); PauseScene.get().addBackButton("red.png", 0, 600, 40, 40); PauseScene.get().addCallbackButton(10, 10, 20, 20, new LolCallback() { public void onEvent() { Score.winLevel(); } }); PauseScene.get().addCallbackButton(190, 190, 20, 20, new LolCallback() { public void onEvent() { Score.loseLevel(); } }); PauseScene.get().suppressClearClick(); Control.addPauseButton(0, 300, 20, 20, "red.png"); } /* * Use multiple heroes to combine positive and negative results */ else if (whichLevel == 89) { Level.configure(48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, .3f, 1); // now let's draw two heroes who can both move by tilting, and // who both have density and friction. Note that we lower the // density, so they move faster Hero h1 = Hero.makeAsCircle(4, 7, 3, 3, "greenball.png"); h1.setPhysics(.1f, 0, 0.6f); h1.setMoveByTilting(); h1.setJumpImpulses(0, 10); h1.setTouchToJump(); h1.setMustSurvive(); Hero h2 = Hero.makeAsBox(0, 0, 48, .1f, ""); h2.setMustSurvive(); h1.setPassThrough(1); h2.setPassThrough(1); Enemy e1 = Enemy.makeAsCircle(29, 29, 1, 1, "redball.png"); e1.setAbsoluteVelocity(0, -1, true); // notice that now we will make two destinations, each of which // defaults to only holding ONE hero, but we still need to get two // heroes to destinations in order to complete the level Destination.makeAsCircle(29, 6, 2, 2, "mustardball.png"); } /* * Demonstrate that we can save entities so that we can access them from * a callback */ else if (whichLevel == 90) { Level.configure(48, 32); Physics.configure(0, -10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 0, 0, 5); PreScene.get().addText("Keep pressing until\na hero makes it to\nthe destination", 255, 255, 255, "arial.ttf", 32); for (int i = 0; i < 10; ++i) { Hero h = Hero.makeAsBox(4 * i + 2, 0.1f, 2, 2, "greenball.png"); h.setPhysics(1, 1, 5); Facts.putLevelActor("" + i, h); } Destination.makeAsCircle(29, 16, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); // A callback control is a way to run arbitrary code whenever the // control is pressed. This is something of a catch-all for any sort // of behavior we might want. See onControlPressCallback(). Control.addCallbackControl(0, 0, 960, 640, "", new LolCallback() { public void onEvent() { for (int i = 0; i < 10; ++i) { Actor p = Facts.getLevelActor("" + i); p.setAbsoluteVelocity(5 - Util.getRandom(10), 10, false); } } }); } /** * Demo a truck, using distance and revolute joints */ else if (whichLevel == 91) { Level.configure(48, 32); Physics.configure(0, -10); Util.drawBoundingBox(0, 0, 48, 32, "red.png", 1, 0, 1); Hero truck = Hero.makeAsBox(3, 3, 4, 1.5f, "red.png"); truck.setPhysics(1, 0, 0); Obstacle head = Obstacle.makeAsCircle(4.5f, 4, 1, 1, "blueball.png"); head.setPhysics(1, 0, 0); Obstacle backWheel = Obstacle.makeAsCircle(3, 2, 1.5f, 1.5f, "blueball.png"); backWheel.setPhysics(3, 0, 1); Obstacle frontWheel = Obstacle.makeAsCircle(5.5f, 2, 1.5f, 1.5f, "blueball.png"); frontWheel.setPhysics(3, 0, 1); backWheel.setRevoluteJoint(truck, -1.5f, -1, 0, 0); backWheel.setRevoluteJointMotor(-10f, 10f); frontWheel.setRevoluteJoint(truck, 1.5f, -1, 0, 0); frontWheel.setRevoluteJointMotor(-10f, 10f); // this is not how we want the head to look, but it makes for a nice // demo head.setDistanceJoint(truck, 0, 1, 0, 0); Destination.makeAsBox(47, 0, .1f, 32, ""); Score.setVictoryDestination(1); } /** * Demonstrate how we can chain pausescenes together, and also show how to use particle * effects */ else if (whichLevel == 92) { // start with a basic tilt-based side-scroller Level.configure(3 * 48, 32); Physics.configure(0, -10); Tilt.enable(10, 0); Util.drawBoundingBox(0, 0, 3 * 48, 32, "red.png", 1, 0, 1); Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); h.setPhysics(.1f, 0, 0.6f); h.setMoveByTilting(); Destination.makeAsCircle(120, 1, 2, 2, "mustardball.png"); Score.setVictoryDestination(1); Level.setCameraChase(h); // put some flame effects on a black background Background.setColor(0, 0, 0); for (int i = 5; i < 150; i += 15) { Effect e = Effect.makeParticleSystem("flame.txt", -2, i, 5); e.setRepeat(true); } // here's a weak attempt at snow Effect e = Effect.makeParticleSystem("snow.txt", 2, 15, 40); e.setRepeat(true); e = Effect.makeParticleSystem("snow.txt", 2, 55, 40); e.setRepeat(true); e = Effect.makeParticleSystem("snow.txt", 2, 85, 40); e.setRepeat(true); // the trick for getting one PauseScene's dismissal to result in another PauseScene // drawing right away is to use the PauseScene CallbackButton facility. When the first // PauseScene is touched, we dismiss it and immediately draw another PauseScene // set up a simple PauseScene PauseScene.get().reset(); PauseScene.get().addText("test", 255, 255, 255, "arial.ttf", 32); // this is the code to run when the *second* pausescene is touched. Making it "final" // means that we can refer to it inside of the other callback final LolCallback sc2 = new LolCallback() { public void onEvent() { PauseScene.get().dismiss(); } }; // this is the code to run when the *first* pausescene is touched LolCallback sc1 = new LolCallback() { public void onEvent() { // clear the pausescene, draw another one PauseScene.get().dismiss(); PauseScene.get().reset(); PauseScene.get().addText("test2", 255, 255, 255, "arial.ttf", 32); PauseScene.get().addCallbackButton(0, 0, 960, 640, sc2); PauseScene.get().show(); } }; // set the callback for the first pausescene, and show it PauseScene.get().addCallbackButton(0, 0, 960, 640, sc1); PauseScene.get().show(); Control.addZoomOutButton(0, 0, 480, 640, "", 8); Control.addZoomInButton(480, 0, 480, 640, "", .25f); } // Show how to make an "infinite" level else if (whichLevel == 93) { // set up a standard side scroller with tilt, but make it really really long: Level.configure(300000, 32); Physics.configure(0, -10); PreScene.get().addText("Press to make\nthe hero go up", 255, 255, 255, "arial.ttf", 32); Util.drawBoundingBox(0, 0, 300000, 32, "red.png", 0, 0, 0); // make a hero Hero h = Hero.makeAsCircle(2, 2, 3, 3, "greenball.png"); Level.setCameraChase(h); h.setAbsoluteVelocity(10, 0, false); h.disableRotation(); h.setPhysics(.1f, 0, 0); // touching the screen makes the hero go upwards Control.addUpButton(0, 0, 960, 640, "", 20, h); // set up our background, with a few layers Background.setColor(23, 180, 255); Background.addHorizontalLayer(0, 1, "back.png", 0, 960, 640); Background.addHorizontalLayer(.5f, 1, "mid.png", 0, 480, 320); Background.addHorizontalLayer(1.25f, 1, "front.png", 20, 454, 80); // we win by collecting 10 goodies... Score.setVictoryGoodies(10, 0, 0, 0); Display.addGoodieCount(1, 0, " goodies", 15, 600, "arial.ttf", 255, 255, 255, 20); // now set up an obstacle and attach a callback to it // // Note that the obstacle needs to be final or we can't access it within the callback final Obstacle trigger = Obstacle.makeAsBox(30, 0, 1, 32, ""); LolCallback lc = new LolCallback() { /** * Each time the hero hits the obstacle, we'll run this code to draw a new enemy * and a new obstacle on the screen. We'll randomize their placement just a bit. * Also move the obstacle forward, so we can hit it again. */ public void onEvent() { // make a random enemy and a random goodie. Put them in X coordinates relative to the trigger Enemy.makeAsCircle(trigger.getXPosition() + 40 + Util.getRandom(10), Util.getRandom(30), 2, 2, "redball.png"); Goodie.makeAsCircle(trigger.getXPosition() + 50 + Util.getRandom(10), Util.getRandom(30), 2, 2, "blueball.png"); // move the trigger so we can hit it again trigger.setPosition(trigger.getXPosition() + 50, trigger.getYPosition()); } }; trigger.setHeroCollisionCallback(0, 0, 0, 0, 0, lc); // No transfer of momeuntum when the hero collides with the trigger trigger.setCollisionsEnabled(false); } } }