Class: MeshNormalMaterial
MeshNormalMaterial()
parameters = {
 opacity: ,
 bumpMap: new THREE.Texture(  ),
 bumpScale: ,
 normalMap: new THREE.Texture(  ),
 normalMapType: THREE.TangentSpaceNormalMap,
 normalScale: ,
 displacementMap: new THREE.Texture(  ),
 displacementScale: ,
 displacementBias: ,
 wireframe: ,
 wireframeLinewidth: 
 skinning: ,
 morphTargets: ,
 morphNormals: ,
 flatShading: 
}