Changeset 549 for trunk/VUT/GtpVisibilityPreprocessor/src/RssPreprocessor.cpp

Timestamp:

01/18/06 04:55:43 (18 years ago)

Author:

bittner

Message:

rss tree tmp changes for regular sampling

File:

• trunk/VUT/GtpVisibilityPreprocessor/src/RssPreprocessor.cpp (modified) (6 diffs)

trunk/VUT/GtpVisibilityPreprocessor/src/RssPreprocessor.cpp

@@ -13 +13 @@
 #include "GlRenderer.h"
 
-static bool useViewSpaceBox = true;
+static bool useViewSpaceBox = false;
 static bool use2dSampling = false;
 
@@ -82 +82 @@
         
   SetupRay(ray, viewPoint, direction);
+
+  if (!mDetectEmptyViewSpace)
+        ray.mFlags &= ~Ray::CULL_BACKFACES;
+
   // cast ray to KD tree to find intersection with other objects
   Intersectable *objectA, *objectB;
@@ -101 +105 @@
   }
 
-  bool detectEmptyViewSpace = true;
-        
-  if (detectEmptyViewSpace) {
+
+  if (mDetectEmptyViewSpace) {
         SetupRay(ray, pointA, -direction);
   } else
         SetupRay(ray, viewPoint, -direction);
         
-        
+  if (!mDetectEmptyViewSpace)
+        ray.mFlags &= ~Ray::CULL_BACKFACES;
+
   if (mKdTree->CastRay(ray)) {
         objectB = ray.intersections[0].mObject;
@@ -122 +127 @@
 
   //  if (objectA == NULL && objectB != NULL) {
-  if (1) {
+  if (mDetectEmptyViewSpace) {
         // cast again to ensure that there is no objectA
         SetupRay(ray, pointB, direction);
@@ -135 +140 @@
 
   bool validSample = (objectA != objectB);
-  if (0 && detectEmptyViewSpace) {   // consider all samples valid
-        // check if the viewpoint lies on the line segment AB
-        if (Distance(pointA, pointB) <
-                Distance(viewPoint, pointA) + Distance(viewPoint, pointB) - Limits::Small) {
-          validSample = false;
-        }
-  }
-        
   if (validSample) {
         if (objectA) {
@@ -318 +315 @@
   //    exporter->ExportKdTree(*mKdTree);
   exporter->SetFilled();
-  exporter->ExportScene(mSceneGraph->mRoot);
+  // temporarily do not export the scene
+  if (0)
+        exporter->ExportScene(mSceneGraph->mRoot);
   exporter->SetWireframe();