Changeset 261 for trunk/VUT/GtpVisibilityPreprocessor/src/ViewCell.cpp

Timestamp:

09/08/05 18:45:51 (19 years ago)

Author:

mattausch

Message:

added viewcell loader

File:

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

trunk/VUT/GtpVisibilityPreprocessor/src/ViewCell.cpp

@@ -7 +7 @@
 ViewCell::ViewCell(Mesh *mesh): mMesh(mesh), mPvs(NULL) 
 {
+}
+
+ViewCell::~ViewCell()
+{
+        // NOTE: should I really do this here?
+        DEL_PTR(mMesh);
 }
 
@@ -77 +83 @@
 }
 
-ViewCell *ViewCell::Convert2ViewCell(Face *face, float scale)
+ViewCell *ViewCell::ExtrudeViewCell(const Triangle3 &baseTri, const float height)
 {
-        // TODO: delete mesh
+        // one mesh per view cell
         Mesh *mesh = new Mesh();
-        mesh->mFaces.push_back(face);
-    
+        
+        //-- construct prism
 
+        // bottom 
+        mesh->mFaces.push_back(new Face(0,1,2));
+        // top
+    mesh->mFaces.push_back(new Face(5,4,3));
+        // sides
+        mesh->mFaces.push_back(new Face(0, 3, 4, 1));
+        mesh->mFaces.push_back(new Face(1, 4, 5, 2));
+        mesh->mFaces.push_back(new Face(0, 2, 5, 3));
+
+
+        //--- extrude new vertices for top of prism
+        Vector3 triNorm = baseTri.GetNormal();
+
+        Triangle3 topTri;       
+
+        // add base vertices and calculate top vertices
+        for (int i = 0; i < 3; ++i)
+        {
+                 mesh->mVertices.push_back(baseTri.mVertices[i]);
+                 topTri.mVertices[i] = baseTri.mVertices[i] + height * triNorm;
+        }
+
+        // add top vertices     
+        for (int i = 0; i < 3; ++i)
+                mesh->mVertices.push_back(topTri.mVertices[1]);
+        
         return new ViewCell(mesh);
 }