Changeset 2136 for GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPCaustic/GTPCaustic.hlsl

Timestamp:

02/20/07 14:13:51 (17 years ago)

Author:

szirmay

Message:

 

File:

• GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPCaustic/GTPCaustic.hlsl (modified) (6 diffs)

GTP/trunk/App/Demos/Illum/Ogre/Media/materials/GTPCaustic/GTPCaustic.hlsl

@@ -51 +51 @@
                            uniform float3 lastCenter,
                                    uniform float3 cameraPos,
-                                   uniform float reflIndex,
+                                   uniform float refIndex,
                                    uniform samplerCUBE DistanceMap : register(s0)):COLOR0
 {
@@ -61 +61 @@
         float3 V = normalize(IN.wPos.xyz - cameraPos);
                 
-        float3 R = refract(V, wNormal, reflIndex);              
+        float3 R = refract(V, wNormal, refIndex);               
         
         dir = R;                        
@@ -156 +156 @@
                                                 float4 texCoord : TEXCOORD0,
                                                 float4 color    : COLOR0,
+                                                uniform float WorldSize,
+                                                uniform float notUseIntensity,
                                                 uniform float4x4 WorldView,
                                                 uniform float4x4 Proj,
@@ -166 +168 @@
   float pixel = 1.0 / PhotonMapResolution;   
   float2 uv = float2(position.x, 1.0 - position.y);
+  uv += float2(pixel / 2.0,pixel / 2.0);
   float4 pos = tex2Dlod(PhotonHitMap, float4(uv,0,0)).rgba;
 
@@ -171 +174 @@
    {
                 OUT.color = float4(0,0,0,0);            
-                OUT.hPosition = float4(0, 0, -1000000, 1);
+                OUT.hPosition = float4(1000000, 1000000, 1000000, 1);
    }
    else
@@ -216 +219 @@
                         valids++;
                 }
-                //if(valids == 0) sumdist = 100000;             
+                
+                
                 float avrdist = sumdist / valids;
-                //float maxdist = 10;
-                //intensity = max(maxdist - avrdist, 0.0) / maxdist;
-                intensity = 5 / (avrdist * avrdist * 3.14);
-                //intensity = valids / 4.0;//avrdist;
-                
-                //OUT.color = float4(1,1,1,intensity);
+                if(valids == 0) avrdist = WorldSize / 1000.0;           
+                
+                intensity = WorldSize / (avrdist * avrdist * 3.14);
+                //intensity = 0.8;
+                
                 OUT.color = intensity;
+                if(notUseIntensity)
+                        OUT.color = float4(1,1,1,1);            
         }