Position the camera better so that the scaled volume is actually visible

src/consts.cu

@@ -5,7 +5,7 @@ __device__ Vec3 d_cameraDir;
 __device__ Vec3 d_cameraUp;
 __device__ Point3 d_lightPos;
 
-Point3 h_cameraPos = Point3::init(-500.0f, 200.0f, 100.0f);
+Point3 h_cameraPos = Point3::init(-300.0f, 200.0f, -300.0f);
 Vec3 center = Vec3::init((float)VOLUME_WIDTH/2.0f, (float)VOLUME_HEIGHT/2.0f, (float)VOLUME_DEPTH/2.0f);
 Vec3 h_cameraDir = (center - h_cameraPos).normalize();
 Vec3 h_cameraUp = Vec3::init(0.0, 1.0, 0.0).normalize();