Changeset 401 for trunk/gui/vizservers/nanovis/shaders

Timestamp:

Apr 10, 2006, 7:49:34 AM (19 years ago)

Author:

qiaow

Message:

Added Renderable class, the superclass of every class that can be drawn.

File:

• trunk/gui/vizservers/nanovis/shaders/one_volume.cg (modified) (3 diffs)

trunk/gui/vizservers/nanovis/shaders/one_volume.cg

@@ -18 +18 @@
 
 
-//#define PHONG_SHADING
+#define PHONG_SHADING
 
 PixelOut main(v2f IN, /* uniform sampler1D tf,*/
@@ -37 +37 @@
 #ifdef PHONG_SHADING
       //lighting parameters 
-      float3 normal = normalize(sample.yzw);
+      float3 normal;
+      if(length(sample.yzw)>0.0)
+        normal = normalize(sample.yzw);
+
       float3 light_vector = normalize(IN.Light);
       float3 eye_vector = normalize(IN.EyeVector);
@@ -46 +49 @@
       //sample the transfer function texture
       float4 color = tex1D(tf, sample.x);
-      color.w = 5*color.w/renderParameters.x;
+      color.w = 30*color.w/renderParameters.x;
 
       //float4 color = float4(sample.x, 0, 0, 1);