output_fragment top-level property
Implementation
String output_fragment = """
#ifdef OPAQUE
diffuseColor.a = 1.0;
#endif
// https://github.com/mrdoob/three.js/pull/22425
#ifdef USE_TRANSMISSION
diffuseColor.a *= transmissionAlpha + 0.1;
#endif
gl_FragColor = vec4( outgoingLight, diffuseColor.a );
""";