/// <summary>
/// a check if the bat has hit the ball or missed it
/// </summary>
/// <param name="ball">the ball</param>
/// <param name="canvas">the canvas</param>
/// <param name="bat">'t' if its the top bat. 'b' if its the bottom bat</param>
/// <returns>1: the bat hit the ball.
/// -1: the bat missed the ball.
/// 0: the ball wasn't near the bat</returns>
public int IsBallHit(Ball ball, Canvas canvas)
{
if (batType == BatType.Top)
{
if (ball.Position.Y - Ball.Radius * 2 > canvas.Height)
{
return(-1);
}
}
else
{
if (ball.Position.Y + Ball.Radius * 2 < 0)
{
return(-1);
}
}
if (HasHitBall(ball, Size))
{
if (batType == BatType.Bottom)
{
ball.Position.Y = this.Position.Y - Ball.Radius;
}
else
{
ball.Position.Y = this.Position.Y + Size.Y + Ball.Radius;
}
ball.ChangeVelocity();
ball.Velocity.Y = -ball.Velocity.Y;
if (ball.Position.X > this.Position.X + Size.X / 2)
{
ball.Velocity.X = Math.Abs(ball.Velocity.X);
}
else
{
ball.Velocity.X = -1 * Math.Abs(ball.Velocity.X);
}
return(1);
}
return(0);
}
/// <summary>
/// were the bricks hit by the ball or not. if so then make the brick invisible.
/// </summary>
/// <param name="ball">the ball</param>
/// <returns>whether the bricks were hit or not</returns>
public bool HasBallHit(Ball ball)
{
if (IsBallNearBricks(ball))
{
//if the ball is near the bricks - check hit on every brick
for (int i = 0; i < bricks.GetLength(0); i++)
{
for (int j = 0; j < bricks.GetLength(1); j++)
{
if (bricks[i, j].IsHit(ball))
{
bricks[i, j].IsVisible = false;
ball.Velocity.Y = -ball.Velocity.Y;
ball.ChangeVelocity();
visibleBricks--;
return(true);
}
}
}
}
return(false);
}