/** Reset ball to an initial state */
private void serveBall() {
mBall.x = getWidth() / 2;
mBall.y = getHeight() / 2;
mBall.speed = Ball.SPEED + mBallSpeedModifier;
mBall.randomAngle();
mBall.pause();
}
/**
* All of the game's logic (per game iteration) is in this function. Given some initial game
* state, it computes the next game state.
*/
private void doGameLogic() {
float px = mBall.x;
float py = mBall.y;
mBall.move();
// Shake it up if it appears to not be moving vertically
if (py == mBall.y && mBall.serving() == false) {
mBall.randomAngle();
}
// Do some basic paddle AI
if (!mRed.player) doAI(mRed, mBlue);
else mRed.move();
if (!mBlue.player) doAI(mBlue, mRed);
else mBlue.move();
handleBounces(px, py);
// See if all is lost
if (mBall.y >= getHeight()) {
mNewRound = true;
mBlue.loseLife();
if (mBlue.living()) playSound(mMissSFX);
else playSound(mWinSFX);
} else if (mBall.y <= 0) {
mNewRound = true;
mRed.loseLife();
if (mRed.living()) playSound(mMissSFX);
else playSound(mWinSFX);
}
}