/**
* Render the game (part of the main loop, no allocations anywhere in here).
*
* @param gl openGL context reference
*/
public void render(GL10 gl) {
GLGfx.clearScreen(gl, true, CLEAR_COLOR, true);
mBack.draw(gl);
GLGfx.drawLine(
gl, RAIL_COLOR, 0, BANNER_HEIGHT * mDensity, getWidth(), BANNER_HEIGHT * mDensity);
mPaddles[0].draw(gl);
mPaddles[1].draw(gl);
mBall.draw(gl);
}
/**
* Load game assets and initialize
*
* @param gl openGL context reference
*/
public void loadAssets(GL10 gl) {
GLGfx.initGfx(40);
// Get the density for banner size calcs.
DisplayMetrics metrics = new DisplayMetrics();
mActivity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
mDensity = metrics.density;
// initialize the only texture
try {
AssetManager assetMgr = mActivity.getAssets();
mTex = Texture.createTextureFromStream((GL11) gl, true, assetMgr.open("assets_tex.png"));
} catch (Exception e) {
throw new RuntimeException(e);
}
// setup the sprites
mPaddles = new Sprite[2];
mPaddles[0] = new Sprite9Patch(PADDLE_TEXRECT, PADDLE_SIZE);
mPaddles[1] = new Sprite9Patch(PADDLE_TEXRECT, PADDLE_SIZE);
mBall = new Sprite(BALL_TEXRECT);
mBack = new Sprite(BACK_TEXRECT);
// position the background image so it is centered in the game area drawn at it's native size if
// it fits
// if it doesn't fit scale it so it draws as large as possible
float gameAreaHeight = getHeight() - BANNER_HEIGHT * mDensity;
float scale = (BACK_SIZE.y > gameAreaHeight) ? (gameAreaHeight / BACK_SIZE.y) : 1.0f;
float bgX = (getWidth() - (scale * BACK_SIZE.x)) / 2.0f;
float bgY = (BANNER_HEIGHT * mDensity) + (gameAreaHeight - (scale * BACK_SIZE.y)) / 2.0f;
mBack.setPosAndSize(bgX, bgY, scale * BACK_SIZE.x, scale * BACK_SIZE.y);
// Initialize the game
mGameLogic.setupRect(new RectF(0.0f, BANNER_HEIGHT * mDensity, getWidth(), getHeight()));
mGameLogic.initRound();
}