// пересечение объектов: шарика и блоков
private bool ObjectCrossing(Rectangle BlockRec, Rectangle BallRec)
{
Point[] P = new Point[4];
/*Point[] P1 = new Point[4];
* P[0] = new Point(BallRec.Left, BallRec.Top);
* P[1] = new Point(BallRec.Left, BallRec.Bottom);
* P[2] = new Point(BallRec.Right, BallRec.Top);
* P[3] = new Point(BallRec.Right, BallRec.Bottom);
*/
P[0] = new Point(BallRec.Left + BallRec.Width / 2, BallRec.Top);
P[1] = new Point(BallRec.Right, BallRec.Top + BallRec.Height / 2);
P[2] = new Point(BallRec.Left + BallRec.Width / 2, BallRec.Bottom);
P[3] = new Point(BallRec.Left, BallRec.Top + BallRec.Height / 2);
foreach (Point p in P)
{
// если содержит хотя бы одну точку общую
if (BlockRec.Contains(p))
{
// скорость мячика может быть равна 1 или 2
if ((BlockRec.Bottom - 2 == BallRec.Top || BlockRec.Top - 2 == BallRec.Bottom ||
BlockRec.Bottom == BallRec.Top || BlockRec.Top == BallRec.Bottom ||
BlockRec.Bottom == BallRec.Top + 1 || BlockRec.Top == BallRec.Bottom + 1
))
{
Ball.ReverceY();
}
else
{
Ball.ReverseX();
}
return(true);
}
}
return(false);
}
