Fix opaque objects not rendered
Fix opaque objects not rendered

BabylonJS/Babylon.js,RaananW/Babylon.js,sebavan/Babylon.js,sebavan/Babylon.js,BabylonJS/Babylon.js,RaananW/Babylon.js,BabylonJS/Babylon.js,RaananW/Babylon.js,sebavan/Babylon.js