copy method

@override MeshPhongMaterial copy(Material source)

Implementation

@override
MeshPhongMaterial copy(Material source) {
  super.copy(source);

  color.copy(source.color);
  specular!.copy(source.specular!);
  shininess = source.shininess;

  map = source.map;

  lightMap = source.lightMap;
  lightMapIntensity = source.lightMapIntensity;

  aoMap = source.aoMap;
  aoMapIntensity = source.aoMapIntensity;

  emissive!.copy(source.emissive!);
  emissiveMap = source.emissiveMap;
  emissiveIntensity = source.emissiveIntensity;

  bumpMap = source.bumpMap;
  bumpScale = source.bumpScale;

  normalMap = source.normalMap;
  normalMapType = source.normalMapType;
  normalScale!.copy(source.normalScale!);

  displacementMap = source.displacementMap;
  displacementScale = source.displacementScale;
  displacementBias = source.displacementBias;

  specularMap = source.specularMap;

  alphaMap = source.alphaMap;

  envMap = source.envMap;
  combine = source.combine;
  reflectivity = source.reflectivity;
  refractionRatio = source.refractionRatio;

  wireframe = source.wireframe;
  wireframeLinewidth = source.wireframeLinewidth;
  wireframeLinecap = source.wireframeLinecap;
  wireframeLinejoin = source.wireframeLinejoin;
  flatShading = source.flatShading;

  fog = source.fog;

  return this;
}