- min_x=min(min_x, tw.pos.x);
- max_x=max(max_x, tw.pos.x);
- min_y=min(min_y, tw.pos.y);
- max_y=max(max_y, tw.pos.y);
+ min_x = min(min_x, tw.pos.x);
+ max_x = max(max_x, tw.pos.x);
+ min_y = min(min_y, tw.pos.y);
+ max_y = max(max_y, tw.pos.y);
+ min_z = min(min_z, tw.pos.z);