public bool intersectsWithGreenBall(GreenBall blue)
{
int distance = (int)Math.Sqrt(Math.Pow(XCoord - blue.XCoord, 2) + Math.Pow(YCoord - blue.YCoord, 2));
if (distance <= Ball.Radius * 2)
{
return(true);
}
return(false);
}
public GreenBall intersectWithGreenBall(RedBall redBall)
{
foreach (Ball ball in balls)
{
if (ball is GreenBall)
{
GreenBall green = (GreenBall)ball;
if (redBall.intersectsWithGreenBall(green))
{
return(green);
}
}
}
return(null);
}
private void Form1_MouseDoubleClick(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
int chance = random.Next(2);
if (chance == 1)
{
GreenBall ball = new GreenBall(e.X, e.Y);
balls.addBall(ball);
}
else
{
BlueBall ball = new BlueBall(e.X, e.Y);
balls.addBall(ball);
}
Invalidate(true);
}
}
public void move(Rectangle windowSize)
{
for (int i = balls.Count - 1; i >= 0; i--)
{
if (i >= 0)
{
Ball ball = balls.ElementAt(i);
if (ball != null && ball is RedBall)
{
RedBall redBall = (RedBall)ball;
if (redBall.clicked)
{
redBall.move(windowSize);
GreenBall green = intersectWithGreenBall(redBall);
if (green != null)
{
balls.Remove(green);
}
}
}
}
}
}