private void ApplyRandomTorque(SCNPhysicsBody physicsBody, float maxTorque)
{
var randomAxis = new SCNVector3((float)random.NextDouble(), (float)random.NextDouble(), (float)random.NextDouble());
randomAxis = SCNVector3.Normalize(randomAxis);
var randomTorque = new SCNVector4(randomAxis, (float)(random.NextDouble() * 2d - 1d) * maxTorque);
physicsBody.ApplyTorque(randomTorque, true);
}