fix translucency, add gaussian blur to shader

1 files changed, 23 insertions, 2 deletions

diff --git a/shaders/frag_irradiance.glsl b/shaders/frag_irradiance.glsl
index 9e14ebe..497bdf0 100644
--- a/shaders/frag_irradiance.glsl
+++ b/shaders/frag_irradiance.glsl
@@ -1,16 +1,21 @@
 #version 330 core

 

 in vec3 FragPos;

+in vec3 LocalPos;

+in vec3 Backside;

+in float BacksideIrradiance;

 in vec3 Normal;

 

 out vec4 FragColor;

 

-uniform sampler2D shadowmapTexture;

-

 uniform vec3 objectColor;

 uniform vec3 lightColor;

 uniform vec3 lightPos;

 uniform vec3 viewPos;

+uniform float transmittanceScale;

+uniform int renderState;

+uniform float powBase;

+uniform float powFactor;

 

 void main()

 {

@@ -29,6 +34,22 @@ void main()
   float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32);

   vec3 specular = specularStrength * spec * lightColor;

 

+  //float distanceToBackside = length(clamp(FragPos - Backside, vec3(0), vec3(1000)));

+  float distanceToBackside = length(FragPos - Backside);

+  //distanceToBackside = distance(Backside, LocalPos);

   vec3 result = (ambient + diffuse + specular) * objectColor;

+

+  if (renderState == 3)

+    if (distanceToBackside != 0)

+      //result += objectColor * pow(powBase, -pow(distanceToBackside, 2)) * transmittanceScale * (1 - diff);

+      result += objectColor * pow(powBase, powFactor / pow(distanceToBackside, 0.6)) * transmittanceScale * (1 - diff);

+  // if (renderState == 3) {

+  //   //result = Backside;

+  //   //result = LocalPos;

+  //   result = vec3(distanceToBackside);

+  // }

+

+    

   FragColor = vec4(result, 1.0f);

+  //FragColor = vec4(vec3(distanceToBackside), 1);

 }