Build overlapping 3D widget panel(with depth like z axis) for HUD and animation

[RedGrimnir (Grimnir)]

• In back one (the one currently needs to be masked) make a retainer box and make everything is child of it.
• Create a new material with UI Transparent domain.
  
  

put this shader inside and arrange the visibility parameter, whichever object is behind make its MaskVisibility parameter 1