fixed minor graphics issues, related to recent camera initialization changes

Demos/OpenGL/DemoApplication.cpp

@@ -788,6 +788,7 @@ void DemoApplication::resetPerspectiveProjection()
 	glMatrixMode(GL_PROJECTION);
 	glPopMatrix();
 	glMatrixMode(GL_MODELVIEW);
+	updateCamera();
 }
 
 
@@ -1096,6 +1097,8 @@ void DemoApplication::renderme()
 		
 	}
 
+	updateCamera();
+
 }
 
 void	DemoApplication::clientResetScene()

Demos/VehicleDemo/VehicleDemo.cpp

@@ -644,10 +644,13 @@ void	VehicleDemo::updateCamera()
 	//update OpenGL camera settings
     glFrustum(-1.0, 1.0, -1.0, 1.0, 1.0, 10000.0);
 
+	 glMatrixMode(GL_MODELVIEW);
+	 glLoadIdentity();
+
     gluLookAt(m_cameraPosition[0],m_cameraPosition[1],m_cameraPosition[2],
 		      m_cameraTargetPosition[0],m_cameraTargetPosition[1], m_cameraTargetPosition[2],
 			  m_cameraUp.getX(),m_cameraUp.getY(),m_cameraUp.getZ());
-    glMatrixMode(GL_MODELVIEW);
+  
 
 
 }