/// <summary>
/// Begin collision world event
/// </summary>
/// <param name="contact">contact instance</param>
private void Simulate2D_BeginCollision(WaveEngine.Common.Physics2D.ICollisionInfo2D contact)
{
var fixtureA = contact.ColliderA;
var fixtureB = contact.ColliderB;
if (fixtureA.IsSensor && fixtureB.RigidBody.Type == WaveEngine.Common.Physics2D.RigidBodyType2D.Dynamic)
{
this.fixturePairs.Add(new Tuple <ICollider2D, ICollider2D>(fixtureA, fixtureB));
}
else if (fixtureB.IsSensor && fixtureA.RigidBody.Type == RigidBodyType2D.Dynamic)
{
this.fixturePairs.Add(new Tuple <ICollider2D, ICollider2D>(fixtureB, fixtureA));
}
}
/// <summary>
/// End collision world event
/// </summary>
/// <param name="contact">contact instance</param>
private void Simulate2D_EndCollision(WaveEngine.Common.Physics2D.ICollisionInfo2D contact)
{
var fixtureA = contact.ColliderA;
var fixtureB = contact.ColliderB;
if (fixtureA.IsSensor && fixtureB.RigidBody.Type == RigidBodyType2D.Dynamic)
{
var tuple = this.fixturePairs.Find(pair => pair.Item1 == fixtureA && pair.Item2 == fixtureB);
this.fixturePairs.Remove(tuple);
}
else if (fixtureB.IsSensor && fixtureA.RigidBody.Type == RigidBodyType2D.Dynamic)
{
var tuple = this.fixturePairs.Find(pair => pair.Item1 == fixtureB && pair.Item2 == fixtureA);
this.fixturePairs.Remove(tuple);
}
}