Changeset 2935

Timestamp:

09/12/08 13:50:13 (16 years ago)

Author:

mattausch

Message:

something still strange with the focussing

File:

• GTP/trunk/App/Demos/Vis/FriendlyCulling/src/ShadowMapping.cpp (modified) (8 diffs)

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

@@ -24 +24 @@
 static Polyhedron *lightPoly = NULL;
 static Vector3 dummyPt;
+static Matrix4x4 dummyMat;
 
 
@@ -187 +188 @@
         glPointSize(10.0f);
 
+        Vector3 pt = Vector3::ZERO();
+
+        Matrix4x4 myMat = Invert(dummyMat);
+        pt = myMat * pt;
+
         glBegin(GL_POINTS);
-        glVertex3f(dummyPt.x, dummyPt.y, dummyPt.z);
+        glVertex3f(pt.x, pt.y, pt.z);
         glEnd();
 }
@@ -219 +225 @@
         //-- first find the free parameter values n, and P (the projection center), and the projection depth
 
-        //const float n = 1e1f;
-        const float n = 1e6f;
+        const float n = 1e1f;
+        //const float n = 1e6f;
         //const float n = ComputeN(bounds_ls) * 100;
 
@@ -230 +236 @@
         const Vector3 lsNear = lightSpace * nearPt;
 
-        //c start has the x and y coordinate of e,  the z coord of the near plane of the light volume
+        //c start has the x and y coordinate of e, the z coord of the near plane of the light volume
+        //const Vector3 startPt = Vector3(lsNear.x, lsNear.y, bounds_ls.Max().z);
         const Vector3 startPt = Vector3(lsNear.x, lsNear.y, bounds_ls.Max().z);
 
@@ -240 +247 @@
 
         cout <<"start: " << startPt << " " << projCenter << " " << Distance(lightSpace * mCamera->GetPosition(), startPt) << endl;
-dummyPt = -projCenter;
+//dummyPt = -projCenter;
 
         //construct a translation that moves to the projection center
@@ -421 +428 @@
         //calculate a frame matrix that uses the projViewDir[lightspace] as up vector
         //look(from position, into the direction of the projected direction, with unchanged up-vector)
-        const Matrix4x4 frame = MyLookAt2(Vector3::ZERO(), -projViewDir, Vector3::UNIT_Y());
+        const Matrix4x4 frame = MyLookAt2(Vector3::ZERO(), -projViewDir, -Vector3::UNIT_Y());
         //const Matrix4x4 frame = MyLookAt(Vector3::ZERO(), projViewDir, Vector3::UNIT_Z());
 
@@ -611 +618 @@
         mShadowCam->SetupCameraView();
 
+        dummyMat = mLightProjView;
+
 
         //////////////
@@ -696 +705 @@
         mLightProjView = lightView * lightProj;
 
-        //dummy = mLightProjView;
+        dummyMat = mLightProjView;
 
         DEL_PTR(lightPoly);