FLMobiGame Week 2 Complete

gistfile1.java

@Override
	protected void actionOnTouch(float x, float y) {
		
		mLastX = x;
		mLastY = y;
		//Increase/decrease the speed of the ball making the ball move towards the touch
		mBallSpeedX = ( x - mBallX ) * 2; // will double the speed of the ball
		mBallSpeedY = ( y - mBallY ) * 2;
	}
	
	//This is run just before the game "scenario" is printed on the screen
	@Override
	protected void updateGame(float secondsElapsed) {
		
		// will make the ball stop under a tap
		/*if ( ( mBallSpeedX < 0 && ( mBallX + secondsElapsed * mBallSpeedX ) < mLastX ) || ( mBallSpeedX > 0 && ( mBallX + secondsElapsed * mBallSpeedX ) > mLastX )  )
		{
			mBallSpeedX = 0;
			mBallSpeedY = 0;
		}*/
		
		
		// will make the ball "bounce" of the "walls" , or in other words, the screen edges!
		if ( mBallSpeedX < 0 && ( ( mBallX + secondsElapsed * mBallSpeedX ) < 0 ) ) {
			mBallSpeedX = -mBallSpeedX;
		}
		else if	( mBallSpeedY < 0 && ( ( mBallY + secondsElapsed * mBallSpeedY ) < 0  )  ) {
			mBallSpeedY = -mBallSpeedY;
		}
		else if ( mBallSpeedY > 0 && ( ( mBallY + secondsElapsed * mBallSpeedY ) > mCanvasHeight )  ) {
			mBallSpeedY = -mBallSpeedY;
		}
		else if ( mBallSpeedX > 0 && ( ( mBallX + secondsElapsed * mBallSpeedX ) > mCanvasWidth ) ) {
			mBallSpeedX = -mBallSpeedX;
		}
		
		//Move the ball's X and Y using the speed (pixel/sec)
		mBallX = mBallX + secondsElapsed * mBallSpeedX;
		mBallY = mBallY + secondsElapsed * mBallSpeedY;
	}