Getting round: the wheel closes in on what's under the mouse (an object, the ground; the sky: on that way), the whole camera with it, so far from everything it no longer creeps at a spot in the air; arrow keys move along the ground, Page Up / Down up and down (a flat view: closer, further), Shift faster; fry_hold and fry_wheel to try them; crash dumps and a.out out of the repository and ignored

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/app.h

@@ -1463,6 +1463,7 @@ private:
         int left = 0;
         std::vector<double> ms;
     } bench_;
+    std::vector<std::pair<ImGuiKey, int>> holding_; // (fry_hold: keys held down for that many more frames)
     void benchStep();
     void benchEnd(std::chrono::steady_clock::time_point began);