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10 lines
396 B
GLSL
10 lines
396 B
GLSL
#include "sh_Flashlight.h"
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// highp diff prevents loss in precision when calculating smoothing distance on GL_ES platforms
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vec4 getColourAt(highp vec2 diff, vec2 size, vec4 originalColour)
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{
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float dist = length(diff);
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float flashlightRadius = length(size);
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return originalColour * vec4(1.0, 1.0, 1.0, smoothstep(flashlightRadius, flashlightRadius * smoothness, dist));
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} |