I'm actually going to go insane if I have to do more calculus Because of the way Euler's method works for approximating integrals, running at high simulation speeds can be horrible for fps. To fix this, go to https://turbowarp.org/1287916193/fullscreen?fps=60&hqpen Pressing T toggles tracing for the paths of the pendulum. The Lingering value controls how long a path segment will stay around after being drawn.