Changeset 1528 for GTP/trunk/Lib/Vis/Preprocessing/src/VssRay.cpp

Timestamp:

09/28/06 18:51:43 (18 years ago)

Author:

mattausch

Message:

worked on gvs

File:

• GTP/trunk/Lib/Vis/Preprocessing/src/VssRay.cpp (modified) (2 diffs)

GTP/trunk/Lib/Vis/Preprocessing/src/VssRay.cpp

@@ -7 +7 @@
 int
 VssRay::mailID = 0;
+
+
+VssRay::VssRay(
+                 const Vector3 &origin,
+                 const Vector3 &termination,
+                 Intersectable *originObject,
+                 Intersectable *terminationObject,
+                 const int pass,
+                 const float pdf
+                 ):
+        mMailbox(-1),
+    mOrigin(origin),
+    mTermination(termination),
+        mOriginObject(originObject),
+        mTerminationObject(terminationObject),
+        mRefCount(0),
+    mFlags(0),
+        mPass(pass),
+        mViewCells(0),
+        mWeightedPvsContribution(0),
+        mPdf(pdf),
+        mTerminationNode(NULL),
+        mOriginNode(NULL),
+        mPvsContribution(0)
+{
+        Precompute();
+}
+
+
+VssRay::VssRay(const Ray &ray):
+        mRefCount(0),
+        mFlags(0),
+        mMailbox(-1),
+        mOriginObject(ray.sourceObject.mObject),
+        mPass(0),
+        mViewCells(0),
+        mPdf(1.0f),
+        mTerminationNode(NULL),
+        mOriginNode(NULL),
+        mPvsContribution(0)
+{
+        if (ray.sourceObject.mObject)
+                mOrigin = ray.Extrap(ray.sourceObject.mT);
+        else
+                mOrigin = ray.GetLoc(); 
+
+        //Debug << "origin: " << mOrigin << endl;
+        if (!ray.intersections.empty())
+        {
+                mTermination = ray.Extrap(ray.intersections[0].mT);
+                mTerminationObject = ray.intersections[0].mObject;
+        }
+        else
+        {
+                mTermination = ray.Extrap(1e6);//TODO: should be Limits::Infinity
+                mTerminationObject = NULL;
+        }
+
+        Precompute();
+}
+
+
+void VssRay::Precompute() 
+{
+        mFlags = 0;
+        Vector3 dir = GetDir();
+
+#define BIDIRECTIONAL_RAY 0
+#if BIDIRECTIONAL_RAY
+        if (dir.y < 0) {
+                // swap objects and poits       
+                swap(mOriginObject, mTerminationObject);
+                swap(mOrigin, mTermination);
+                dir = -dir;
+        }
+#endif
+        if (dir.x > 0.0f) mFlags |= FPosDirX;
+        if (dir.y > 0.0f) mFlags |= FPosDirY;
+        if (dir.z > 0.0f) mFlags |= FPosDirZ;
+
+        mInvSize = 1.0f/Magnitude(GetDir());
+}
 
 
@@ -265 +347 @@
 
 
-void VssRay::GetSampleData(const bool isTermination, 
-                                                   Vector3 &pt, 
-                                                   Intersectable **obj,
-                                                   KdNode **node) const
-{
-        if (isTermination)
-        {
-                pt = mTermination;
-                *obj = mTerminationObject;
-                *node = mTerminationNode;
-        }
-        else
-        {
-                pt = mOrigin;
-                *obj = mOriginObject;
-                *node = mOriginNode;
-        }
-}
-
-
-}
+
+}