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Fix #62

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Meow J
2017-04-02 15:18:43 +08:00
parent 8a4d1e0889
commit 0b42a6392d
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docs/04 Advanced OpenGL/08 Advanced GLSL.md
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@@ -82,7 +82,7 @@ void main()
因为窗口的宽是800，当一个像素的x坐标小于400，那么它一定在窗口的左边，这样我们就让物体有个不同的颜色。
![](../img/04/08/advanced_glsl_frontfacing.png)
![](../img/04/08/advanced_glsl_fragcoord.png)
我们现在可以计算出两个完全不同的片段着色器结果，每个显示在窗口的一端。这对于测试不同的光照技术很有好处。