/// <summary>
/// Gets the objects that get to have a force applied to them.
/// </summary>
/// <returns>The object's id's and appliable forces.</returns>
public Dictionary <string, Vector2> GetForces()
{
if (collisionIds.Count > 0)
{
Dictionary <string, Vector2> forces =
new Dictionary <string, Vector2>();
List <CollisionObject> collisions = BroadPhase.GetCollisionObjects();
for (int i = 0; i < collisionIds.Count; i++)
{
for (int j = 0; j < collisions.Count; j++)
{
if (collisions[j].ID == collisionIds[i])
{
Vector2 center = Vector2.Zero;
switch (collisions[j].Shape)
{
case CollisionShapes.Circle:
{
center = ((BoundingCircle)collisions[j].Bounds).Center;
}
break;
case CollisionShapes.Rectangle:
{
Rectangle rect = (Rectangle)collisions[j].Bounds;
center = new Vector2(rect.Center.X, rect.Center.Y);
}
break;
}
forces.Add(collisionIds[i], CalculateForce(center));
collisions.Remove(collisions[j]);
collisionIds.Remove(collisionIds[i]);
}
}
}
collisionIds.Clear();
return(forces);
}
return(null);
}
