I am contemplating using Box2d for making iphone apps, but I don't want to worry about Apple rejecting my app for using Box2d. How does box2d work?
http://www.box2d.org/
Would ... |
I'm developing what it's turning into a "cross-platform" 2D Game Engine, my initial platform target is iPhone OS, but could move on to Android or even some console like the PSP, ... |
I am quite new to C++, but have worked with C# for years, however it is not helping me here! :)
My problem: I have an Actor class which Ball and ... |
hey guys i m looking for how some one can achieve the curve or concave shape in box2d for iphone i m stuck with this... Thanks in Advance...
Umer Sufyan.
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I'm trying to make physics bodies generated at a random position with a random velocity hit a target. I gleaned and slightly modified this code from the web that was using ... |
newbie to iPhone game development and Box2D here.
I'm developing a game in which I can move (drag) otherwise stationary objects that can collide with other objects.
How do I make these objects ... |
I have some box,creating using box2d,which restitution's are set to zero.but when they fall
over one another there appear bounce event.but i don't want that...i want them not move when fall over ... |
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i'm using box2d 2.1.2 with cocos2d 0.99.4
in my world, everything is light,
there is no sensation about dropping a stone or a box !!
everything falling slowly at the same speed
b2Vec2 gravity; ...
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I have a player character and I would like him to fire bullets, one each second.
It's a top down view, no gravity.
I've been doing it with SetLinearVelocity() and ApplyLinearImpulse() and the ... |
I would also like to know when each object is selected. is this possible with box2d? Thanks
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I'm a beginner in iPhone Application Development and Xcode who is developing a small game which has a slingshot effect Box2d. Currently i need help on moving a body in its ... |
I'm currently drawing a CCSprite as a line to a CCRenderTexture multiple times in touches moved and create a body for it. I am able to move the body in random ... |
I have a moving player in a Box2d world and a moving platform which is in the box2d world too.
Now i my player jumps on the top of the platform my ... |
I'm using cocos2d and box2d.(iPhone SDK) If I want to import box2d I add this to the top of the file #import "Box2D.h" and then I rename my class to ".mm". ... |
in my app the user is able to move or rotate a box2d fixture. The collision detection works fine. But if I set the fixture as a sensor, with the SetSensor(true) ... |
first my code
// Define the ground body.
b2BodyDef groundBodyDef;
groundBodyDef.position.Set(0,0); // bottom-left corner
...
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I'm about to start developing a game that's main feature revolves around 2D water simulation. I have thought about starting with Box2D and designing water in that engine, but I'm not ... |
I'm experimenting with box2d.
I seem to have a problem people describe as sticky walls
I have a ball and a paddle
I'm using all the basic recommended scales i could find, 10m world, ... |
Help me out with some sample code for getting the position of a sprite in Box2d in iPhone.
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Hi
Im trying to get my head around using box2d for an iphone app. I can make basic objects and have collision detection and other forces applying fine but im wondering how ... |
I am new to objective-c. I am currently working on a game using cocos2d and box2d. Let me describe my game in details:
In my game I have a main character standing ... |
I'm working on an iPhone game, and the ground is a long, repeating rectangular sprite object that extends about 30 pixels above the bottom of the screen. I'm trying to align ... |
Hi i am trying to create a game like bucket ball,
i am using box2d as physics engine with UIView in iPhone,
i create world and add object into it.
set every thing fine.
but ... |
I am making a Box2d game for the iPhone. I need to apply a force on a body which represents my main character. The body is actually a rectangle on top ... |
In my game I need to calculate duration of touch. I did this by :
-(BOOL) ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event {
self.endTime = [NSDate date]; //NSDate *endTime in ...
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i have a car.h
now inside the car.h i did
float cc;
void Step(Settings* settings)
{
Test::Step(settings);
cc=m_rightWheel->GetWorldCenter().x;// cc hold ...
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i need to calculate distance in CGPoint between given two point(CGPoint)
i refer this and this
but i dont know how to get distance in CGPoint.
so if any one knows ... |
I'm doing a iPhone game and I want to use Box2D for collision detection. The game has a very large map(3000x3000) which has rivers,rocks etc as collision objects. The game uses ... |
I have a ground object and a spear shaped object(dynamic). When a button is pressed, a linear velocity is applied to the spear. It works fine but sometimes, it gets stuck ... |
so I have this dynamic body, that I just want to know when an object collides with it, but even if this object collides with it, the dynamic body will always ... |
I'm trying to compile the Box2D.xcodeproj from the box2d svn repo. When I loaded up the project I had a warning saying that:
Missing SDK in target Box2D:
iphoneos2.2
And ... |
Sometimes, when dynamic body moving and collide static body, dynamic stuck, and stopping.
http://imageshack.us/photo/my-images/14/screenfgz.png/ (top and bottom lines are sensors, center shape is body)
For moving used mouseJoint->SetTarget(pos);
Settings:
World
b2Vec2 gravity = b2Vec2(0.f, ...
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I'm trying to test out some collision detection with Box2d (using this method). I've added the source and headers to my XCode project, and have added a recursive ./** ... |
I am creating a ground body like this:
// Define the ground body.
b2BodyDef groundBodyDef;
groundBodyDef.position.Set(0, 0); // bottom-left corner
...
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I am stuck at creating projectile motion in my games using box 2d please help in solving this problem
something like this
Some thing like this
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Imaging, there are 20 types of objects.
What fast methods exist to detect which objects collide now in Box2d?
A scan with switch/if is not fast enough.
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Folks,
I'm trying to implement a certain behavior to a collision where a ball hits a wall at an angle. I want the ball to maintain full velocity, but I would like ... |
I'm using box2d to implement collision detection for my game.
In most cases, any type of collision detection does something like "remove enemy" or things like that which is uniform regardless of ... |
I just finished my game with the combination of Box2D and the Sparrow framework (http://sparrow-framework.org/) and it has just one main screen
with max. 10 Box2D objects on the screen.
So, ... |
Can anybody please guide me with the best engine for game development in HTML5?
It is simple jumping and surface detection game. The theme is is like jumping and go above the ... |
I have created a single body in box2D, which consists of 2 fixtures.
I have a CCSprite userData for each fixture, but i don't know how to set the sprite position and ... |
i'm developing an app that uses Box2d. When I try to do something like this :
NSString *s = @"wood";
bodyDef.userData.name = s;
I get error
request for member 'name' in 'bodyDef.b2BodyDef::userData', which ...
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I have a ball that you blow on with air. I want the ball to be blown more if it is close to the blower and blown less if it is ... |
I am writing an app in xcode using box2d. Right now I am using the code below. The problem is that it will only handle one touch event. How can I ... |
I have a class that I want to contain a b2Vec2 and an integer. I keep getting an error that says expected specifier-qualifier-list before 'b2Vec2'. I can't figure this out. Please ... |
I have a box2d body that has a fixture of a ball. It just bounces up and down on top of a rectangular box. Sometimes it will fall off of the ... |
I am trying to turn off gravity on one of my bodies. I have used the bodyDef.gravityScale = 0.0f but I am having no luck. Here u can look at my ... |
In my game I'm using Box2D to apply linear impulse to a circle object. When the impulse is applied to the object, it starts spinning clockwise but I can't get it ... |
So i have some bodies(which i can create more and more at runtime), and i need them to be magnetized to the screen center. Let it be a (480/2 / WORLD_SCALE, ... |
I am working on an iOS game and I need to draw a line that Box2D bodies can interact with. I have tried the code below, but it causes performance issues ... |
I'm trying to save a scene and re-load it using Box2D on iOS but the problem I'm having is that after reading the scene from file the polygons don't collide properly. ... |
In my top down car physics, i'm trying to find the direction of travel for the car.
I can get the Linear Velocity of the car but am having problems because:
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