Hello everyone. I am making a pixel art (320x240) PC game with clickteam fusion 2.5 and I want to be able to upscale the game to twice that resolution while keeping the pixel ratio intact.
I did so by checking "resize display to fit window size" and making an event at start of frame that makes the "window control" set the window's horizontal size to 640 and the vertical size to 480.
It seemed to be working at first glance but looking closely some pixel lines are still 1 pixel wide instead of 2, as if the resolution had been set to slightly smaller than twice the original:
(here is a screen capture of the upscaled game, showing the issue)
I was wondering how I might avoid that and have the upscale respect the pixel ratio. I want to note that the frame is much larger than the screen, being a whole level.