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#version 120
uniform vec2 lightLocation;
uniform vec3 lightColor;
uniform float lightStrength;
uniform float screenHeight;
void main(){
float distance = length(lightLocation - gl_FragCoord.xy);
float attenuation = lightStrength / distance;
vec4 color = vec4(attenuation, attenuation, attenuation, (pow(attenuation, 3)) * vec4(lightColor, 2))+.5;
gl_FragColor = color;
}
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