fix the debug shader normal transforms

src/shader.h

@@ -149,7 +149,7 @@ struct transforms
 const float DEFAULT_FOV = 60.f;
 const float NEAR_CLIP_PLANE = 5.f;
 const float DEFAULT_ASPECT_RATIO = 16.f / 9.f;
-const glm::vec3 DEFAULT_CAM_POS = { 0, 0, -30.f };
+const glm::vec3 DEFAULT_CAM_POS = { 0, 0, 30.f };
 const glm::vec3 DEFAULT_LOOK_POS = { 0, 0, 0 };