public override BulletShape RemoveChildShapeFromCompoundShapeIndex(BulletShape pCShape, int pii)
{
CompoundShape compoundshape = (pCShape as BulletShapeXNA).shape as CompoundShape;
CollisionShape ret = null;
ret = compoundshape.GetChildShape(pii);
compoundshape.RemoveChildShapeByIndex(pii);
return new BulletShapeXNA(ret, BSShapeTypeFromBroadPhaseNativeType(ret.GetShapeType()));
}