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#include "sh_Flashlight.h"
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vec4 getColourAt(highp vec2 diff, highp vec2 size, lowp vec4 originalColour)
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{
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diff = abs(diff);
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lowp float alpha = length(smoothstep(size, size * smoothness, diff));
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return originalColour * vec4(1.0, 1.0, 1.0, alpha);
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} |