7 lines
246 B
GLSL
7 lines
246 B
GLSL
#include frex:shaders/api/fragment.glsl
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#include frex:shaders/lib/math.glsl
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void frx_startFragment(inout frx_FragmentData fragData) {
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float light = frx_luminance(fragData.spriteColor.rgb) * 2 - 0.3;
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fragData.emissivity = clamp(light, 0, 1);
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}
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