private void DrawBall(MovableBall ball, Graphics graphics)
{
RectangleF rect = new RectangleF(ball.GetXCoordinate(), ball.GetYCoordinate(), ball.GetRadius(), ball.GetRadius());
graphics.DrawEllipse(blackPen, rect);
ball.Move();
}
public static void CheckAndFixCollisionWithBoarders(MovableBall ball, int height, int width)
{
if (ball.GetXCoordinate() < 0 || ball.GetXCoordinate() > width)
{
ball.SetXSpeed(ball.GetXSpeed() * -1);
}
if (ball.GetYCoordinate() < 0 || ball.GetYCoordinate() > height)
{
ball.SetYSpeed(ball.GetYSpeed() * -1);
}
}
private static int SetCoordinates(MovableBall ball1, MovableBall ball2)
{
// меняем скорость по x
Console.WriteLine("start to calculate");
int speed = ball1.GetXSpeed();
ball1.SetXSpeed(((ball1.GetWeight() - ball2.GetWeight()) * ball1.GetXSpeed() + 2 * ball2.GetWeight() * ball2.GetXSpeed())
/ (ball1.GetWeight() + ball2.GetWeight()));
ball2.SetXSpeed(((ball2.GetWeight() - ball1.GetWeight()) * ball2.GetXSpeed() + 2 * ball1.GetWeight() * speed)
/ (ball1.GetWeight() + ball2.GetWeight()));
// меняем скорость по y
speed = ball1.GetYSpeed();
ball1.SetYSpeed(((ball1.GetWeight() - ball2.GetWeight()) * ball1.GetYSpeed() + 2 * ball2.GetWeight() * ball2.GetYSpeed())
/ (ball1.GetWeight() + ball2.GetWeight()));
ball2.SetYSpeed(((ball2.GetWeight() - ball1.GetWeight()) * ball2.GetYSpeed() + 2 * ball1.GetWeight() * speed)
/ (ball1.GetWeight() + ball2.GetWeight()));
return(speed);
}
private void CreateNewBall()
{
balls[lastPoint++] = new MovableBall(Convert.ToInt32(weight.Text), Convert.ToInt32(radius.Text),
Convert.ToInt32(n_speed.Text), Convert.ToInt32(t_speed.Text), 0, 0);
Console.WriteLine("creating new Ball");
}
