我想做一个四角形, 我希望四角形的一面是白色, 另一面是黑色。 与其简单的线性色内插等素, 我还需要它来模仿共弦函数 。
解决这一问题的好办法是什么?
你可以在碎片阴影下完成它。 I. e. :
gl_FragColor = vec4( vec3( cos( in_TexCoord.x ) ), 1.0 );
您可以按您喜欢的颜色频道, 调和振幅和相位的准确值 。
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