Changeset 485 for trunk/VUT/GtpVisibilityPreprocessor/src/RayInfo.cpp

Timestamp:

12/30/05 12:08:15 (19 years ago)

Author:

mattausch

Message:

changed castlinesegment of vspbpstree
changed rayinfo ray classification for bsp tree
implemented shuffling

File:

• trunk/VUT/GtpVisibilityPreprocessor/src/RayInfo.cpp (modified) (1 diff)

trunk/VUT/GtpVisibilityPreprocessor/src/RayInfo.cpp

@@ -133 +133 @@
 {       
         t = splitPlane.FindT(mRay->GetOrigin(), mRay->GetTermination());
+//      Debug << "t: " << t << " mint " << GetMinT() << " maxt " << GetMaxT() << 
+//      " orig: " << mRay->GetOrigin() << " term " << mRay->GetTermination() << endl;
 
-//      Debug << "t: " << t << " mint " << GetMinT() << " maxt " << GetMaxT() << " orig: " << mRay->GetOrigin() <<
-//              " term " << mRay->GetTermination() << endl;
-        if ((t < GetMinT()) || (t > GetMaxT()))
+        // NOTE: if plane equals end point of ray, the ray should be classified
+        // non-intersecting, otherwise polygon-plane intersections of bsp tree
+        // approaches are not eliminating any rays intersecting the polygon!
+
+        //if (t > GetMaxT())
+        if (t >= GetMaxT() - 1e-20)
                 return splitPlane.Side(ExtrapOrigin());
+        //if (t < GetMinT())
+        if (t <= GetMinT() + 1e-20)
+                return splitPlane.Side(ExtrapTermination());
 
         return 0;