copy method
Copy the parameters from the passed material into this material.
Implementation
@override
MeshLambertMaterial copy( Material source ) {
super.copy( source );
color.setFrom( source.color );
map = source.map;
lightMap = source.lightMap;
lightMapIntensity = source.lightMapIntensity;
aoMap = source.aoMap;
aoMapIntensity = source.aoMapIntensity;
emissive!.setFrom( source.emissive! );
emissiveMap = source.emissiveMap;
emissiveIntensity = source.emissiveIntensity;
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;
fog = source.fog;
return this;
}