Changeset 2897 for GTP/trunk/App/Demos/Vis/FriendlyCulling/src/ShadowMapping.cpp

Timestamp:

09/03/08 01:57:45 (16 years ago)

Author:

mattausch

Message:

improved shadow mapping

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/ShadowMapping.cpp (modified) (4 diffs)

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

@@ -79 +79 @@
 
 
-ShadowMap::ShadowMap(int size, const AxisAlignedBox3 &sceneBox, Camera *cam):
-mSceneBox(sceneBox), mSize(size), mCamera(cam)
+ShadowMap::ShadowMap(Light *light, int size, const AxisAlignedBox3 &sceneBox, Camera *cam):
+mSceneBox(sceneBox), mSize(size), mCamera(cam), mLight(light)
 {
         mFbo = new FrameBufferObject(size, size, FrameBufferObject::DEPTH_32, true);
@@ -94 +94 @@
 {
         DEL_PTR(mFbo);
-}
-
-
-
-void ShadowMap::ComputeShadowMap(Light *light, RenderTraverser *traverser)
-{
-        mLight = light;
-
+        DEL_PTR(mShadowCam);
+}
+
+
+void ShadowMap::ComputeShadowMap(RenderTraverser *renderer)
+{
         const float xlen = Magnitude(mSceneBox.Diagonal() * 0.5f);
         const float ylen = Magnitude(mSceneBox.Diagonal() * 0.5f);
         
-        mShadowCam->SetDirection(light->GetDirection());
+        mShadowCam->SetDirection(mLight->GetDirection());
         
         // set position so that we can see the whole scene
         Vector3 pos = mSceneBox.Center();
 
-        pos -= light->GetDirection() * Magnitude(mSceneBox.Diagonal() * 0.5f);
+        pos -= mLight->GetDirection() * Magnitude(mSceneBox.Diagonal() * 0.5f);
         mShadowCam->SetPosition(pos);
 
@@ -142 +140 @@
         glMatrixMode(GL_MODELVIEW);
         glPushMatrix();
-
         glLoadIdentity();
 
         // setup shadow camera
         mShadowCam->SetupCameraView();
+
 
         //////////////
@@ -168 +166 @@
         //-- render scene into shadow map
 
-        traverser->RenderScene();
+        renderer->RenderScene();
+
         
         glDisable(GL_POLYGON_OFFSET_FILL);