22.03.01 《Unity 2018 Shaders and Effects Cookbook》笔记Chapter10-11
10.GameplayandScreenEffects老电影效果Sepiatone棕褐色调通过叠加颜色获得fixedlum=dot(fixed3(0.299,0.587,0.114),renderTex.rgb);fixed4finalColor=lum+lerp(_SepiaColor,_SepiaColor+fixed4(0.1f,0.1f,0.1f,1.0f),_RandomValue);f