void OnGrab(uint sender, IValue[] args)
{
// Calculate coordinate of this object relative to sender
Vec relPos;
Quat relRot;
if (!obj.CalcRelativeCoord(node.Objects[sender], out relPos, out relRot))
{
// When calculation failed
relPos = new Vec();
relRot = new Quat();
}
// Become a child of sender
obj.SetField("parent", node.Objects[sender].GetObjectRef());
// Set relative coordinate
// Keep relative position/rotation at the time of grabbing
obj.SetField("position", relPos);
obj.SetField("rotation", relRot);
obj.WriteDebugLog("grabbable", $"Grabbed by object {sender}");
}
