How do I draw a scrolling background?
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by
droidmachine
on Game Development
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Published on 2012-04-10T23:44:28Z
Indexed on
2012/04/11
17:42 UTC
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Hit count: 240
How can I draw background tile in my 2D side-scrolling game? Is that loop logical for OpenGL es? My tile 2400x480. Also I want to use parallax scrolling for my game.
batcher.beginBatch(Assets.background);
for(int i=0; i<100; i++)
batcher.drawSprite(0+2400*i, 240, 2400, 480, Assets.backgroundRegion);
batcher.endBatch();
UPDATE
And thats my onDrawFrame.I'm sending deltaTime for fps control.
public void onDrawFrame(GL10 gl) {
GLGameState state = null;
synchronized(stateChanged) {
state = this.state;
}
if(state == GLGameState.Running) {
float deltaTime = (System.nanoTime()-startTime) / 1000000000.0f;
startTime = System.nanoTime();
screen.update(deltaTime);
screen.present(deltaTime);
}
if(state == GLGameState.Paused) {
screen.pause();
synchronized(stateChanged) {
this.state = GLGameState.Idle;
stateChanged.notifyAll();
}
}
if(state == GLGameState.Finished) {
screen.pause();
screen.dispose();
synchronized(stateChanged) {
this.state = GLGameState.Idle;
stateChanged.notifyAll();
}
}
}
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