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faultyagatha/gist:336d8ab1fc5c6f0ac7687756fa18e920

Created August 30, 2020 09:48
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  1. faultyagatha created this gist Aug 30, 2020.
    10 changes: 10 additions & 0 deletions gistfile1.txt
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    Original file line number Diff line number Diff line change
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    /* in fragment shader, using derivatives extension enabled */

    //vertex:
    vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);
    vViewPos = mvPosition.xyz; //pass to the fragment shader

    //fragment:
    vec3 X = dFdx(vViewPos);
    vec3 Y = dFdy(vViewPos);
    vec3 normal = normalize(cross(X, Y));