running over python http using a .bat solves all cors erros, I managed to improve the game with a toggle for two type of speed ramps, edge reset speed ramp, memory mode has faster ramp to help edging in time, and there is one mode that keeps the pace static the one that ask user to select a speed.
metronome is generated on the fly with a specific nice sounding bass beep, link for it
https://www.mediafire.com/file/5br4fep1 ... t.zip/file, replace the images and gifs for the ones of your choice
Call me on private if you wanna a full overview of all changes I made, don't wanna spam this forum and make others lose interest
but in shorts its a new button for ramp mode, metronome support for all game modes, supports for a variaety of image formats including gifs, click on screen to keep the current gif or image from going away