第六步：开始在图像涂抹着色，你会发现色彩再次出现。
Step 6: start painting on your image and watch the color start to return.
着色-再次，你可能不会需要很大的着色剂。
Coloring - Once again, you will probably not need to much coloring agent.
最终渲染阶段产生最后渲染后的图像，到这一步，所有的对象都将被再次渲染，其中着色器将混合前一步生成的光源和纹理以及所有自发光照明。
Final pass produces final rendered image. Here all objects are rendered again; with shaders that fetch the lighting, combine it with textures and add any emissive lighting.
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