/// <summary>
/// Removes active collision involving two specified entities or does nothing if
/// no such collision exists.
/// </summary>
private static void RemoveCollision( Entity entity1, Entity entity2 )
{
Tuple<InstanceID, InstanceID> collision = GetCollision( entity1, entity2 );
if( null != collision )
{
//-- Collision end events
entity1.HandleCollisionEnd( entity2 );
entity2.HandleCollisionEnd( entity1 );
//-- Remove collision
s_Collisions.Remove( collision );
}
}