17 lines
472 B
GLSL
17 lines
472 B
GLSL
#version 430 core
|
|
uniform vec3 lightPos;
|
|
uniform vec4 lumRad;
|
|
uniform sampler2D screenTexture;
|
|
in vec2 vTexPos;
|
|
out vec4 fColor;
|
|
void main()
|
|
{
|
|
vec3 distVec = texture(screenTexture,vTexPos).xyz - lightPos;
|
|
float dist = dot(distVec,distVec);
|
|
if (dist > lumRad.a) {discard;}
|
|
//vec3 dField = distVec / lumRad.a;
|
|
//vec3 c = pow (1 - min(1, dot(dField,dField)) , 2) * lumRad.rgb ;
|
|
vec3 c = (1 - dist / lumRad.a) * lumRad.rgb ;
|
|
fColor = vec4(c,0);
|
|
}
|