Depth rendering of terrain works

src/Engine/System/CameraUpdater.cpp

@@ -0,0 +1,18 @@
+#include "CameraUpdater.h"
+
+using namespace Seele;
+using namespace Seele::System;
+
+CameraUpdater::CameraUpdater(PScene scene)
+    : ComponentSystem(scene)
+{
+}
+
+CameraUpdater::~CameraUpdater()
+{
+}
+
+void CameraUpdater::update(Component::Camera& camera)
+{
+    camera.buildViewMatrix();
+}