0 votes

Hi, I wanted to make a functional 2D sky using colorRect and shaders. I have 3 textures that I passed to the shader via uniform, but I can't seem to figure out how to overlay the newer textures above the previous one Via COLOR property. Please help me.

in Engine by (264 points)

1 Answer

+1 vote
Best answer

Never mind, I manage to solve it. I just did

vec4 overlay(vec4 destination, vec4 addable){
    return (addable.a > 0.0)? addable : destination;
}

And that fixed it.

by (264 points)
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