// Return shortest position offset to resolve the collision
public virtual Vector2 ResolveCollision(Collider other)
{
CollisionData data;
if (Collide(other, out data))
{
if (data.penetration != 0 && data.normal != Vector2.Zero)
return data.normal * data.penetration;
if (data.depth != Vector2.Zero)
return new Vector2(
data.depth.X < data.depth.Y ? data.depth.X : 0,
data.depth.Y < data.depth.X ? data.depth.Y : 0);
}
return Vector2.Zero;
}
public static bool Collide(Collider a, Collider b, out CollisionData data)
{
return a.Collide(b, out data);
}
public virtual bool Collide(Collider other, out CollisionData data)
{
switch (other.Type)
{
case ColliderTypes.Rectangle:
return CollideRectangle(other as RectangleCollider, out data);
case ColliderTypes.Circle:
return CollideCircle(other as CircleCollider, out data);
case ColliderTypes.Polygon:
return CollidePolygon(other as PolygonCollider, out data);
default:
data = new CollisionData(Vector2.Zero);
return false;
}
}