Changeset 2893 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/ShadowMapping.cpp

Timestamp:

09/02/08 00:56:48 (16 years ago)

Author:

mattausch

Message:

shadowing partly working

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/ShadowMapping.cpp (modified) (6 diffs)

GTP/trunk/App/Demos/Vis/FriendlyCulling/src/ShadowMapping.cpp

@@ -124 +124 @@
         mLight = light;
 
-        const float xlen = Magnitude(mSceneBox.Diagonal());// * 0.5f);
-        const float ylen = Magnitude(mSceneBox.Diagonal());// * 0.5f);
+        const float xlen = Magnitude(mSceneBox.Diagonal() * 0.5f);
+        const float ylen = Magnitude(mSceneBox.Diagonal() * 0.5f);
         
         mShadowCam->SetDirection(light->GetDirection());
@@ -131 +131 @@
         // set position so that we can see the whole scene
         Vector3 pos = mSceneBox.Center();
-        pos.z = mSceneBox.Max().z;
+
+        pos -= light->GetDirection() * Magnitude(mSceneBox.Diagonal() * 0.5f);
+        //pos.z = mSceneBox.Max().z;
         //mShadowCam->SetPosition(pos - Magnitude(mSceneBox.Diagonal() * light->GetDirection()));
         mShadowCam->SetPosition(pos);
@@ -148 +150 @@
         glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
 
-        glPolygonOffset(1.0f, 40.0f);
+        glPolygonOffset(1.0f, 2000.0f);
         glEnable(GL_POLYGON_OFFSET_FILL);
 
@@ -158 +160 @@
         glLoadIdentity();
         
-        glOrtho(+xlen, -xlen, +ylen, -ylen, 0.0f, 100);//Magnitude(mSceneBox.Diagonal())); 
+        glOrtho(+xlen, -xlen, +ylen, -ylen, 0.0f, Magnitude(mSceneBox.Diagonal())); 
         
 
@@ -267 +269 @@
 void ShadowMapping::Render(RenderTraverser *traverser, Camera *cam)
 {
+#if 0
         Matrix4x4 cam_inverse_modelview;
 
@@ -391 +394 @@
         glDisable(GL_LIGHTING);
         glDisable(GL_ALPHA_TEST);
+#endif
 }