通常情况下，设计者会选择这样的一组三个颜色：这种组合被称为颜色三角。

Typically, designers will choose colors like this in groups of three; this practice is known as selecting triads.

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在平面着色渲染模式下，可用三角形的第三个顶点颜色为整个三角形着色。

In flat-shading mode, you use the color of a triangle's third vertex across the whole triangle.

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为顶点指派颜色对三角形内的像素会有什么影响呢？

If you assign the colors to the vertices, what happens to the pixels inside the triangles?

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