[画光源小技巧](%E7%94%BB%E5%85%89%E6%BA%90%E5%B0%8F%E6%8A%80%E5%B7%A7.md) [投影原理说明](%E6%8A%95%E5%BD%B1%E5%8E%9F%E7%90%86%E8%AF%B4%E6%98%8E.md) [合成颜色步骤](%E5%90%88%E6%88%90%E9%A2%9C%E8%89%B2%E6%AD%A5%E9%AA%A4.md)