Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2015 Broken Shotgun * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * 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 OR COPYRIGHT HOLDERS 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. */ package broken.shotgun.throwthemoon.actors; import com.badlogic.gdx.assets.AssetManager; import com.badlogic.gdx.assets.loaders.SoundLoader; import com.badlogic.gdx.assets.loaders.TextureLoader; import com.badlogic.gdx.assets.loaders.resolvers.InternalFileHandleResolver; import com.badlogic.gdx.audio.Sound; import com.badlogic.gdx.graphics.Color; import com.badlogic.gdx.graphics.Texture; import com.badlogic.gdx.graphics.g2d.Animation; import com.badlogic.gdx.graphics.g2d.Batch; import com.badlogic.gdx.graphics.g2d.TextureRegion; import com.badlogic.gdx.graphics.glutils.ShapeRenderer; import com.badlogic.gdx.math.Interpolation; import com.badlogic.gdx.math.Rectangle; import com.badlogic.gdx.math.Vector2; import com.badlogic.gdx.scenes.scene2d.Actor; import com.badlogic.gdx.scenes.scene2d.actions.Actions; import static com.badlogic.gdx.scenes.scene2d.actions.Actions.color; import static com.badlogic.gdx.scenes.scene2d.actions.Actions.forever; import static com.badlogic.gdx.scenes.scene2d.actions.Actions.sequence; public class Boss extends Actor { private static final String TEXTURE_FILENAME = "boss.png"; private static final String SFX_HIT_FILENAME = "sfx/enemy_hit.wav"; private static final int FRAME_WIDTH = 512; private static final int FRAME_HEIGHT = 512; private final Texture texture; private final TextureRegion[] regions; private final Animation idle; private TextureRegion currentFrame; private float stateTime = 0.0f; private final Sound hitSfx; private final Rectangle collisionArea; private int health; private boolean raging; private Color color; private boolean flipX; public Boss(final AssetManager manager) { manager.setLoader(Texture.class, new TextureLoader(new InternalFileHandleResolver())); manager.setLoader(Sound.class, new SoundLoader(new InternalFileHandleResolver())); manager.load(TEXTURE_FILENAME, Texture.class); manager.load(SFX_HIT_FILENAME, Sound.class); manager.finishLoading(); texture = manager.get(TEXTURE_FILENAME); regions = TextureRegion.split(texture, FRAME_WIDTH, FRAME_HEIGHT)[0]; idle = new Animation(0.1f, regions[0], regions[1], regions[2]); idle.setPlayMode(Animation.PlayMode.LOOP); hitSfx = manager.get(SFX_HIT_FILENAME); currentFrame = idle.getKeyFrame(0.0f); setWidth(currentFrame.getRegionWidth()); setHeight(currentFrame.getRegionHeight()); setOrigin(getWidth() / 2, getHeight() / 2); collisionArea = new Rectangle(getX(), getY() + 80, (int) getWidth(), (int) getHeight() - 170); health = 50; raging = false; color = Color.WHITE; setColor(color); flipX = false; } @Override public void act(float delta) { super.act(delta); stateTime += delta; currentFrame = idle.getKeyFrame(stateTime); collisionArea.setPosition(getX(), getY() + 80); } @Override public void draw(Batch batch, float parentAlpha) { super.draw(batch, parentAlpha); batch.setColor(getColor()); batch.draw(currentFrame, getX(), getY(), getOriginX(), getOriginY(), getWidth(), getHeight(), flipX ? getScaleX() : -getScaleX(), getScaleY(), getRotation()); batch.setColor(Color.WHITE); } @Override public void drawDebug(ShapeRenderer shapes) { if (!getDebug()) return; shapes.set(ShapeRenderer.ShapeType.Line); shapes.setColor(Color.GRAY); shapes.rect(getX(), getY(), getWidth(), getHeight()); shapes.setColor(Color.GREEN); shapes.rect(collisionArea.x, collisionArea.y, collisionArea.width, collisionArea.height); shapes.setColor(Color.RED); shapes.circle(getX() + getOriginX(), getY() + getOriginY(), 10f); } public Rectangle getCollisionArea() { return collisionArea; } public void startBattle() { Vector2 pointA = new Vector2(getStage().getViewport().getScreenWidth() * 0.7f, getStage().getViewport().getScreenHeight() / 2f); Vector2 pointB = new Vector2(getStage().getViewport().getScreenWidth() * 0.05f, getStage().getViewport().getScreenHeight() / 2f); Vector2 pointC = new Vector2(getStage().getViewport().getScreenWidth() * 0.05f, getStage().getViewport().getScreenHeight() * 0.95f); Vector2 pointD = new Vector2(getStage().getViewport().getScreenWidth() * 0.7f, getStage().getViewport().getScreenHeight() * 0.95f); getStage().screenToStageCoordinates(pointA); getStage().screenToStageCoordinates(pointB); getStage().screenToStageCoordinates(pointC); getStage().screenToStageCoordinates(pointD); addAction(forever(sequence(Actions.delay(3f), Actions.moveTo(pointA.x, pointA.y, 1f, Interpolation.exp10In), Actions.delay(3f), Actions.moveTo(pointB.x, pointB.y, 3f, Interpolation.swingIn), Actions.run(new Runnable() { @Override public void run() { flipX = true; } }), Actions.delay(3f), Actions.moveTo(pointC.x, pointC.y, 1f, Interpolation.exp10In), Actions.delay(3f), Actions.moveTo(pointD.x, pointD.y, 3f, Interpolation.swingIn), Actions.run(new Runnable() { @Override public void run() { flipX = false; } })))); } public void takeDamage(int direction) { health--; hitSfx.play(); if (health <= 0) { die(); return; } if (health <= 20) { rage(); } addAction(sequence(color(Color.BLACK, 0.10f), color(color, 0.10f))); } private void rage() { if (raging) return; raging = true; color = Color.RED; clearActions(); addAction(color(Color.RED, 1f)); Vector2 pointA = new Vector2(getStage().getViewport().getScreenWidth() * 0.7f, getStage().getViewport().getScreenHeight() / 2f); Vector2 pointB = new Vector2(getStage().getViewport().getScreenWidth() * 0.05f, getStage().getViewport().getScreenHeight() / 2f); Vector2 pointC = new Vector2(getStage().getViewport().getScreenWidth() * 0.05f, getStage().getViewport().getScreenHeight() * 0.95f); Vector2 pointD = new Vector2(getStage().getViewport().getScreenWidth() * 0.7f, getStage().getViewport().getScreenHeight() * 0.95f); getStage().screenToStageCoordinates(pointA); getStage().screenToStageCoordinates(pointB); getStage().screenToStageCoordinates(pointC); getStage().screenToStageCoordinates(pointD); addAction(forever(sequence(Actions.delay(1f), Actions.moveTo(pointA.x, pointA.y, 1f, Interpolation.swingIn), Actions.run(new Runnable() { @Override public void run() { flipX = false; } }), Actions.delay(1f), Actions.moveTo(pointC.x, pointC.y, 2f, Interpolation.exp10In), Actions.run(new Runnable() { @Override public void run() { flipX = true; } }), Actions.delay(1f), Actions.moveTo(pointB.x, pointB.y, 1f, Interpolation.swingIn), Actions.delay(1f), Actions.moveTo(pointD.x, pointD.y, 2f, Interpolation.exp10In), Actions.run(new Runnable() { @Override public void run() { flipX = false; } }), Actions.delay(1f), Actions.moveTo(pointC.x, pointC.y, 2f, Interpolation.exp10In), Actions.run(new Runnable() { @Override public void run() { flipX = true; } }), Actions.delay(1f), Actions.moveTo(pointA.x, pointA.y, 1f, Interpolation.swingIn), Actions.run(new Runnable() { @Override public void run() { flipX = false; } }), Actions.delay(1f), Actions.moveTo(pointB.x, pointB.y, 1f, Interpolation.swingIn), Actions.run(new Runnable() { @Override public void run() { flipX = true; } })))); } private void die() { clearActions(); addAction(color(Color.BLACK, 0.5f)); } public boolean isDefeated() { return health <= 0; } }