26 lines
624 B
GLSL
26 lines
624 B
GLSL
uniform vec2 lightPos;
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uniform vec3 lightColor;
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uniform float radius;
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uniform float bleed;
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uniform float linearizeFactor;
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void main()
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{
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float dist = length(lightPos - gl_FragCoord.xy);
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float distFromFalloff = radius - dist;
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// Still has absolute falloff point
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float attenuation = distFromFalloff * (bleed / pow(dist, 2.0) + linearizeFactor / radius);
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// Optional, clamp it to prevent overcoloring
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attenuation = clamp(attenuation, 0.0, 1.0);
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vec4 color = vec4(attenuation, attenuation, attenuation, 1.0) * vec4(lightColor.r, lightColor.g, lightColor.b, 1.0);
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gl_FragColor = color;
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} |