wheel.coffee

GetGlobalPos(obj) // Get the global transform matrix for an object independently of the parenting 
{ 
  var globalMatrix = obj->GetMg(); 
  return globalMatrix->GetV0();
} 


main(doc,op)
{
var radius = 50;
var p = GetGlobalPos(op);
var r = op->GetRotation();

r.z = p.x / radius;
op->SetRotation(r);
}