diff --git a/sfw/application/camera_3d.cpp b/sfw/application/camera_3d.cpp
index 4ef7a50..2be6131 100644
--- a/sfw/application/camera_3d.cpp
+++ b/sfw/application/camera_3d.cpp
@@ -67,6 +67,15 @@ void FrustumCamera::bind() {
 
 FrustumCamera::FrustumCamera() :
 		Camera3D() {
+	offset = 0;
+
+	projection_matrix.set_frustum(
+			size,
+			screen_aspect_ratio,
+			offset,
+			znear,
+			zfar,
+			vaspect);
 }
 
 FrustumCamera::~FrustumCamera() {
diff --git a/sfw/application/camera_3d.h b/sfw/application/camera_3d.h
index 1a7f51e..b9564e2 100644
--- a/sfw/application/camera_3d.h
+++ b/sfw/application/camera_3d.h
@@ -49,7 +49,8 @@ public:
 
 class FrustumCamera : public Camera3D {
 public:
-	//todo
+	float offset;
+	
 	void bind();
 
 	FrustumCamera();