anchor.diff:  const String uLightCount = "uLightCount";
   const String uLightTypes = "uLightTypes";
   
  -Map<String, ShaderVarDesc> _VarsDb = {
  +final Map<String, ShaderVarDesc> _VarsDb = {
     eArray: new ShaderVarDesc("index", ""),
   
     //
  
positive.code:   uFogFar: new ShaderVarDesc("float", ""),
    uPointSize: new ShaderVarDesc("float", ""),
    uCanvasSize: new ShaderVarDesc("vec2", ""),
    uColor: new ShaderVarDesc("vec3", ""),
    uColorAlpha: new ShaderVarDesc("vec4", ""),
    uColorAlpha2: new ShaderVarDesc("vec4", ""),
    uEyePosition: new ShaderVarDesc("vec3", ""),
  
negative.code: const String uBoneMatrices = "uBoneMatrices";
  const String uBumpScale = "uBumpScale";
  const String uNormalScale = "uNormalScale";
  const String uCutOff = "uCutOff";
  const String uShininess = "uShininess";
  const String uOpacity = "uOpacity";
  const String uShadowBias = "uShadowBias";
  
  const String uMaterial = "uMaterial";
  
  