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Old 12-19-2018, 10:23 AM   #11
wwwmaze
Human being with feelings
 
Join Date: Oct 2009
Posts: 99
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I really think the issue of the image jumping back is a bug in the video-processor code. If anybody wants to reproduce it, it's much more noticeable if you set video size to something ridiculously low in project settings, like 20x20.
But I can't figure out why it's happening. Removing the "&0xfffe" or "&-2" part (kind of the the same thing) of lines 33 and 34 solves it even though it makes zooming not exactly symmetrical.

The issue of zooming appearing to be stepped could be caused by limitations of gfx_blit (which can take only discrete values) and may be improved by filtering frames over time but it probably reduces the image sharpness.
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