public void Initialize(Collidable shapeA, Collidable shapeB)
{
collidableA = (ConvexCollidable)shapeA;
collidableB = (ConvexCollidable)shapeB;
cachedSimplex = new CachedSimplex { State = SimplexState.Point };// new CachedSimplex(informationA.Shape, informationB.Shape, ref informationA.worldTransform, ref informationB.worldTransform);
}