                          diffuse: 'diffuseMaterial.diffuse',
                            // specular: 'specularMaterial.specular',
                            // alpha: 'diffuseMaterial.diffuse.g',
                            alpha: 'alphaMap.alpha * 3.0',
                        },
                    },
                    translucent: function (material) {
                        // return material.uniforms.color.alpha < 1.0;
                        return false;
                    }
        