private void SetCollisionY(Ball ball)
{
// Ball move towards bottom right
if (ball.Velocity.X > 0 && ball.Velocity.Y > 0) {
ball.VelocityY = ball.Velocity.Y * -1;
}
// Ball move towards top right
else if (ball.Velocity.X > 0 && ball.Velocity.Y < 0) {
ball.VelocityY = Math.Abs(ball.Velocity.Y);
}
// Ball move towards top left
else if (ball.Velocity.X < 0 && ball.Velocity.Y < 0) {
ball.VelocityY = Math.Abs(ball.Velocity.Y);
}
// Ball move towards bottom left
else if (ball.Velocity.X < 0 && ball.Velocity.Y > 0) {
ball.VelocityY = ball.Velocity.Y * -1;
}
}
private void CheckBoxCollision(Ball ball)
{
// Ball hit top
if (ball.Position.Y - ball.Radius <= 0.0f) {
this.SetCollisionY (ball);
ball.PositionY = 0.0f + ball.Radius;
}
// Ball hit bottom
else if (ball.Position.Y + ball.Radius >= 1.0f) {
this.SetCollisionY (ball);
ball.PositionY = 1.0f - ball.Radius;
}
// Ball hit left
else if (ball.Position.X - ball.Radius <= 0.0f) {
this.SetCollisionX (ball);
ball.PositionX = 0.0f + ball.Radius;
}
// Ball hit right
else if (ball.Position.X + ball.Radius >= 1.0f) {
this.SetCollisionX (ball);
ball.PositionX = 1.0f - ball.Radius;
}
}