void CustomTriggerController::Init (NewtonCollision* const convexShape, const dMatrix& matrix, void* const userData)
{
	m_userData = userData;

	NewtonWorld* const world = ((CustomTriggerManager*)GetManager())->GetWorld();

	// create a trigger body and place in the scene
	m_body = NewtonCreateKinematicBody(world, convexShape, &matrix[0][0]);
	
	// set this shape do not collide with other bodies
	NewtonCollision* const collision = NewtonBodyGetCollision (m_body);
	NewtonCollisionSetMode(collision, 0);
}
void dNewtonCollision::SetAsTrigger(bool mode)
{
	if (m_shape) {
		NewtonCollisionSetMode(m_shape, mode ? 0 : 1);
	}
}