/** 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();
}
@Override
public void draw(Canvas c) {
inner_.dx = this.dx;
inner_.dy = this.dy;
inner_.x = this.x;
inner_.y = this.y;
super.draw(c);
inner_.draw(c);
}
protected void handleBottomFastBounce(Paddle paddle, float px, float py) {
if (mBall.goingDown() == false) return;
float bx = mBall.x;
float by = mBall.y + Ball.RADIUS;
float pbx = px;
float pby = py + Ball.RADIUS;
float dyp = by - paddle.getTop();
float xc = bx + (bx - pbx) * dyp / (pby - by);
if (by > paddle.getTop()
&& pby < paddle.getTop()
&& xc > paddle.getLeft()
&& xc < paddle.getRight()) {
mBall.x = xc;
mBall.y = paddle.getTop() - Ball.RADIUS;
mBall.bouncePaddle(paddle);
playSound(mPaddleSFX);
increaseDifficulty();
}
}
protected void handleTopFastBounce(Paddle paddle, float px, float py) {
if (mBall.goingUp() == false) return;
float tx = mBall.x;
float ty = mBall.y - Ball.RADIUS;
float ptx = px;
float pty = py - Ball.RADIUS;
float dyp = ty - paddle.getBottom();
float xc = tx + (tx - ptx) * dyp / (ty - pty);
if (ty < paddle.getBottom()
&& pty > paddle.getBottom()
&& xc > paddle.getLeft()
&& xc < paddle.getRight()) {
mBall.x = xc;
mBall.y = paddle.getBottom() + Ball.RADIUS;
mBall.bouncePaddle(paddle);
playSound(mPaddleSFX);
increaseDifficulty();
}
}