code: function () {
          var uniforms = {};
  
          for (var symbol in this.uniformTemplates){
              var uniformTpl = this.uniformTemplates[symbol];
              uniforms[symbol] = {
                  type: uniformTpl.type,
                  value: uniformTpl.value()
              };
          }
  
          return uniforms;
      }
docs: Create a new uniform instance for material