message: BF: Material transparency 0 means 'transparency not overridden'.
diff: @@ -49,8 +49,13 @@ export class Material extends RenderMaterial {
  this.weights[1] = materialParams.specular;
  this.weights[2] = materialParams.reflect;
  - this.alphaUniform[0] = undefined !== materialParams.transparency ? 1.0 - materialParams.transparency : 1.0;
  - this.alphaUniform[1] = undefined !== materialParams.transparency ? 1.0 : 0.0;
  + if (0.0 !== materialParams.transparency) {
  + this.alphaUniform[0] = 1.0 - materialParams.transparency;
  + this.alphaUniform[1] = 1.0;
  + } else {
  + this.alphaUniform[0] = 1.0;
  + this.alphaUniform[1] = 0.0;
  + }
  }
  }
  