/// <summary> Notify listeners of a collision
///
/// </summary>
/// <param name="body1">The first body in the collision
/// </param>
/// <param name="body2">The second body in the collision
/// </param>
/// <param name="point">The point of collision (not always perfect - accepts penetration)
/// </param>
/// <param name="normal">The normal of collision
/// </param>
/// <param name="depth">The penetration of of the contact
/// </param>
private void NotifyCollision(Body body1, Body body2, ROVector2f point, ROVector2f normal, float depth)
{
if (listeners.Count == 0)
{
return ;
}
CollisionEvent newEvent = new CollisionEvent(totalTime, body1, body2, point, normal, depth);
for (int i = 0; i < listeners.Count; i++)
{
((CollisionListener) listeners[i]).CollisionOccured(newEvent);
}
}
/// <summary> Get a list of collisions at the current time for a given body
///
/// </summary>
/// <param name="body">The body to check for
/// </param>
/// <returns> The list of collision events describing the current contacts
/// </returns>
public virtual CollisionEvent[] GetContacts(Body body)
{
List<CollisionEvent> collisions = new List<CollisionEvent>();
for (int i = 0; i < arbiters.size(); i++)
{
Arbiter arb = arbiters.Item(i);
if (arb.Concerns(body))
{
for (int j = 0; j < arb.NumContacts; j++)
{
Contact contact = arb.GetContact(j);
CollisionEvent newEvent = new CollisionEvent(0, arb.Body1, arb.Body2, contact.Position, contact.Normal, contact.Separation);
collisions.Add(newEvent);
}
}
}
return collisions.ToArray();
}