anchor.diff:              totalLight += calcSpotLight(spotLights[i], vPos, vNorm);
           }
       }
  -    fragColor = vec4((baseColour * totalLight).xyz,1);
  +    fragColor = vec4((basecolor * totalLight).xyz,1);
   }
  
positive.code:     if(attenuationInv==0){
          attenuationInv = 1;
      }
      return light_colour / attenuationInv;
  }
  
  vec4 calcSpotLight(SpotLight light, vec3 position, vec3 normal)
  
negative.code:     {
          if ( pointLights[i].intensity > 0 )
          {
              totalLight += calcPointLight(pointLights[i], vPos, vNorm);
          }
      }
  
  