Changeset 327 for trunk/VUT/GtpVisibilityPreprocessor/src/Ray.cpp

Timestamp:

10/13/05 17:58:37 (19 years ago)

Author:

mattausch

Message:

worked on the ray based subdivision. finished extracting polygons from rays

File:

• trunk/VUT/GtpVisibilityPreprocessor/src/Ray.cpp (modified) (2 diffs)

trunk/VUT/GtpVisibilityPreprocessor/src/Ray.cpp

@@ -1 +1 @@
 #include "Ray.h"
-
+#include "Plane3.h"
 
 // =========================================================
@@ -158 +158 @@
 }
 
+int Ray::ClassifyPlane(const Plane3 &plane, float minT, float maxT)
+{
+        Vector3 entp = Extrap(minT);
+        Vector3 extp = Extrap(maxT);
+  
+        int entSide = plane.Side(entp);
+        int extSide = plane.Side(extp);
+
+        if ((entSide == 0) && (extSide == 0)) 
+        {
+                return Plane3::COINCIDENT;
+        }
+        else if ((entSide <= 0) && (entSide <= 0))
+        {
+                return Plane3::BACK_SIDE;
+        }
+        else if ((entSide >= 0) && (entSide >= 0))
+        {
+                return Plane3::FRONT_SIDE;
+        }
+        
+        return Plane3::SPLIT;
+}
+
 ostream &
 operator<<(ostream &s, const PassingRaySet &set)