pre cleanup

[subsurface_scattering] / shaders / ts_frag_irradiance.glsl

diff --git a/shaders/ts_frag_irradiance.glsl b/shaders/ts_frag_irradiance.glsl
new file mode 100644 (file)
index 0000000..b9e70ae
--- /dev/null
+++ b/shaders/ts_frag_irradiance.glsl
@@ -0,0 +1,61 @@
+#version 330 core\r
+\r
+in vec3 Normal;\r
+in vec3 FragPos;\r
+\r
+out vec4 FragColor;\r
+\r
+uniform vec3 lightPos;\r
+uniform vec3 lightColor;\r
+uniform vec3 objectColor;\r
+uniform vec3 viewPos;\r
+\r
+vec4 blur(sampler2D tex, vec2 uv, vec2 res) {\r
+  float Pi = 6.28318530718; // Pi*2\r
+    \r
+  // GAUSSIAN BLUR SETTINGS {{{\r
+  float Directions = 16.0; // BLUR DIRECTIONS (Default 16.0 - More is better but slower)\r
+  float Quality = 4.0; // BLUR QUALITY (Default 4.0 - More is better but slower)\r
+  float Size = 8.0; // BLUR SIZE (Radius)\r
+  // GAUSSIAN BLUR SETTINGS }}}\r
+  \r
+  vec2 Radius = Size/res;\r
+  \r
+  // Pixel colour\r
+  vec4 Color = texture(tex, uv);\r
+  \r
+  // Blur calculations\r
+  for( float d=0.0; d<Pi; d+=Pi/Directions) {\r
+    for(float i=1.0/Quality; i<=1.0; i+=1.0/Quality) {\r
+      Color += texture( tex, uv+vec2(cos(d),sin(d))*Radius*i);         \r
+    }\r
+  }\r
+  \r
+  // Output to screen\r
+  Color /= Quality * Directions - 15.0;\r
+  return Color;\r
+}\r
+\r
+void main()\r
+{\r
+  vec3 norm = normalize(Normal);\r
+  vec3 lightDir = normalize(lightPos - FragPos);\r
+\r
+  float diff = max(dot(norm, lightDir), 0.0);\r
+  vec3 diffuse = diff * lightColor;\r
+\r
+  float ambientStrength = 0.1;\r
+  vec3 ambient = ambientStrength * lightColor;\r
+\r
+  float specularStrength = 0.5;\r
+  vec3 viewDir = normalize(viewPos - FragPos);\r
+  vec3 reflectDir = reflect(-lightDir, norm);\r
+  float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32);\r
+  vec3 specular = specularStrength * spec * lightColor;\r
+\r
+  vec3 result = (ambient + diffuse) * objectColor;\r
+\r
+  result = vec3(length(FragPos - lightPos));\r
+    \r
+  FragColor = vec4(result, 1.0f);\r
+}\r