backgroundOpacity property
      
      dynamic
      get
      backgroundOpacity
      
    
    
    
Implementation
get backgroundOpacity => this.uniforms['backgroundOpacity']['value'];
      
      set
      backgroundOpacity
      (dynamic backgroundOpacity) 
      
    
    
    
Implementation
set backgroundOpacity(backgroundOpacity) {
  this.uniforms['backgroundOpacity']['value'] = backgroundOpacity;
  if (backgroundOpacity < 1 && !this.transparent) {
    console.warning('You have to pass "transparent: true" to the ProjectedMaterial for the backgroundOpacity option to work');
  }
}