pixel_w or pixel_h = 0 crashes the program

[joshinils]

i know, a silly case, but still. if i move the mouse over the (rather small) window it crashes.
You divide the mousepos by 0.

[OneLoneCoder]

lol, nice find 😂 I'll wrap that one with another window fix about drag events never concluding.

[OneLoneCoder]

Fixed