public static void collideRepelentAndMonster(RepelentBall b1, MonsterBall b2)
{
float newRadius = b1.radius / 2;
b1.radius = Math.Max(1, newRadius);
}
public static void collideRegularAndMonster(RegularBall b1, MonsterBall b2)
{
b2.radius += b1.radius;
Engine.balls.Remove(b1);
}
