X-Git-Url: https://gitweb.ps.run/subsurface_scattering/blobdiff_plain/36fb27a899045de24d71d55b06648abda7547268..0a5e8172a6ee0e79c81eec21a9966bea9385b249:/shaders/ts_frag_irradiance.glsl

diff --git a/shaders/ts_frag_irradiance.glsl b/shaders/ts_frag_irradiance.glsl
index b9e70ae..37d28f1 100644
--- a/shaders/ts_frag_irradiance.glsl
+++ b/shaders/ts_frag_irradiance.glsl
@@ -10,52 +10,11 @@ uniform vec3 lightColor;
 uniform vec3 objectColor;
 uniform vec3 viewPos;
 
-vec4 blur(sampler2D tex, vec2 uv, vec2 res) {
-  float Pi = 6.28318530718; // Pi*2
-    
-  // GAUSSIAN BLUR SETTINGS {{{
-  float Directions = 16.0; // BLUR DIRECTIONS (Default 16.0 - More is better but slower)
-  float Quality = 4.0; // BLUR QUALITY (Default 4.0 - More is better but slower)
-  float Size = 8.0; // BLUR SIZE (Radius)
-  // GAUSSIAN BLUR SETTINGS }}}
-  
-  vec2 Radius = Size/res;
-  
-  // Pixel colour
-  vec4 Color = texture(tex, uv);
-  
-  // Blur calculations
-  for( float d=0.0; d<Pi; d+=Pi/Directions) {
-    for(float i=1.0/Quality; i<=1.0; i+=1.0/Quality) {
-      Color += texture( tex, uv+vec2(cos(d),sin(d))*Radius*i);		
-    }
-  }
-  
-  // Output to screen
-  Color /= Quality * Directions - 15.0;
-  return Color;
-}
-
 void main()
 {
-  vec3 norm = normalize(Normal);
-  vec3 lightDir = normalize(lightPos - FragPos);
-
-  float diff = max(dot(norm, lightDir), 0.0);
-  vec3 diffuse = diff * lightColor;
-
-  float ambientStrength = 0.1;
-  vec3 ambient = ambientStrength * lightColor;
-
-  float specularStrength = 0.5;
-  vec3 viewDir = normalize(viewPos - FragPos);
-  vec3 reflectDir = reflect(-lightDir, norm);
-  float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32);
-  vec3 specular = specularStrength * spec * lightColor;
-
-  vec3 result = (ambient + diffuse) * objectColor;
-
-  result = vec3(length(FragPos - lightPos));
+  // color the XY-plane according to the distance
+  // of the fragment in world space
+  vec3 result = vec3(length(FragPos - lightPos));
     
   FragColor = vec4(result, 1.0f);
 }