Changeset 3198 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/treeanimation.cg

Timestamp:

11/30/08 20:41:23 (16 years ago)

Author:

mattausch

Message:

removed some visual bugs (trees against sky), flickering much better now

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/treeanimation.cg (modified) (1 diff)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/shaders/treeanimation.cg

@@ -103 +103 @@
         // hack: no translational component anyway
         OUT.oldWorldPos = oldOffs;
+        //OUT.oldWorldPos = float4(1e20f, 1e20f, 1e20f, oldOffs.w);
         OUT.worldPos = offs;
 
         return OUT;
 }
+
+/*
+
+pixel fragtex(fragin IN, 
+                          uniform sampler2D tex: TEXUNIT0,
+                          uniform float4x4 viewMatrix
+                          )
+{
+        float4 texColor = tex2D(tex, IN.texCoord.xy);
+
+        // account for alpha blending
+        if (texColor.w < 0.5f) discard;
+
+        pixel pix;
+
+        // save color in first render target
+        // hack: use combination of emmisive + diffuse (emmisive used as constant ambient term)
+        pix.col = (glstate.material.emission + glstate.material.diffuse) * texColor; 
+        // save world space normal in rt => transform back into world space by
+        // multiplying with inverse view. since transforming normal with T means to 
+        // multiply with the inverse transpose of T, we multiple with 
+        // Transp(Inv(Inv(view))) = Transp(view)
+        pix.norm = normalize(mul(transpose(viewMatrix), IN.normal).xyz);
+        //pix.norm = IN.normal.xyz;
+        // compute eye linear depth
+        pix.col.w = 1e20f;//length(IN.eyePos.xyz);
+
+        // the scene entity id
+        //pix.id = glstate.fog.color.xyz;
+        // the offset to the world pos from old frame
+        pix.offsVec = IN.oldWorldPos.xyz - IN.worldPos.xyz;
+
+        return pix;
+}*/