Shader Forge using (a) the effect grayed

Others 2019-06-15 11:03:02 views: null

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一、实现彩图置灰效果
原理：为图片的RGB分别乘以权重然后加起来得到一个灰色值，并且将这个灰色值作为新的RGB值。
变灰RGB的权重会固定为(R:0.299 G:0.587,B:0.114)

实现如下

Reproduced in: https: //www.jianshu.com/p/d4794746edf2

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Origin blog.csdn.net/weixin_33910137/article/details/91149443

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