public Vector2 GetReflection(Vector2 velocity, Collider other)
{
if (other.GetType() == typeof(BoxCollider))
{
BoxCollider box = (BoxCollider)other;
Vector2 middleDis = new Vector2(Math.Abs(Transform.Position.x - box.Transform.Position.x),
Math.Abs(Transform.Position.y - box.Transform.Position.y));
if (Math.Abs(middleDis.x - box.Size.x / 2) <= Math.Abs(middleDis.y - box.Size.y / 2))
{
return(new Vector2(velocity.x * (-1), velocity.y));
}
return(new Vector2(velocity.x, velocity.y * (-1)));
}
if (other.GetType() == typeof(CircleCollider))
{
CircleCollider circle = (CircleCollider)other;
Vector2 middleDis = new Vector2(Transform.Position.x - circle.Transform.Position.x,
Transform.Position.y - circle.Transform.Position.y);
//siehe OneNote CCB > CCB > Reflection für grafische Darstellung der Herleitung der Gleichung
Vector2 reflection = Vector2.Dot(middleDis, velocity) * 2 * middleDis - velocity;
return(reflection);
}
Server.Instance.Log("This is a Bug in GetReflection.. ur welcome :3");
Server.Instance.Log("velocity:" + velocity);
Server.Instance.Log("object of collision" + other);
return(Vector2.down);
}
public static bool CollideCircleAndBoxColliders(BoxCollider box, CircleCollider circle)
{
float distX = Math.Abs(circle.Transform.Position.x - box.Transform.Position.x);
float distY = Math.Abs(circle.Transform.Position.y - box.Transform.Position.y);
//If the distance is greater than halfCircle + halfRect, then they are too far apart to be colliding
if (distX > (box.Size.x / 2 + circle.Radius) || distY > (box.Size.y / 2 + circle.Radius))
{
return(false);
}
if (distX <= (box.Size.x / 2) || distY <= (box.Size.y / 2))
{
return(true);
}
double cornerdistanceSqr = Math.Pow((distX - box.Size.x / 2), 2) + Math.Pow((distY - box.Size.y / 2), 2);
return(cornerdistanceSqr <= Math.Pow((circle.Radius), 2));
}