Changeset 522 for trunk/VUT/GtpVisibilityPreprocessor/src

Timestamp:

01/12/06 13:20:25 (18 years ago)

Author:

mattausch

Message:

 

Location:

trunk/VUT/GtpVisibilityPreprocessor/src

Files:

• Beam.cpp (modified) (1 diff)
• Beam.h (modified) (2 diffs)
• cg.dll (deleted)
• cgGL.dll (deleted)
• dual_depth.cg (added)

trunk/VUT/GtpVisibilityPreprocessor/src/Beam.cpp

@@ -65 +65 @@
   return result;
 }
+
+
+void Beam::ComputeFrustum(float &near, float &far,
+                                                  float &left, float &right,
+                                                  float &bottom, float &top,
+                                                  const AxisAlignedBox3 &sceneBBox)
+{
+        const float xDirRange = mDirBox.Max().x - mDirBox.Min().x;
+        const float yDirRange = mDirBox.Max().y - mDirBox.Min().y;
+
+        near = 1; // NOTE: what is the best value for near and far plane?
+        far = sceneBBox.Size(sceneBBox.Size().DrivingAxis());
+
+        left = 1.0f / tan(xDirRange * 0.5);
+        right = 1.0f / tan(xDirRange * 0.5);
+
+        bottom = 1.0f / tan(yDirRange * 0.5);
+        top = 1.0f / tan(yDirRange * 0.5);
+}

trunk/VUT/GtpVisibilityPreprocessor/src/Beam.h

@@ -35 +35 @@
           const AxisAlignedBox3 &dBox);
   
-  
-  int
-          ComputeIntersection(const AxisAlignedBox3 &box);
+  void ComputeFrustum(float &near, float &far,
+                                          float &left, float &right,
+                                          float &bottom, float &top,
+                                          const AxisAlignedBox3 &sceneBBox);
+
+  int ComputeIntersection(const AxisAlignedBox3 &box);
 
   bool IsValid() { return mFlags & VALID; }
@@ -45 +48 @@
   {
   }
-  
 };