Quick pseudo 3D worldmap skew effect meant to emulate something like Final Fantasy 6's overworld. The way this works is it copies the screen to the spritesheet after rendering the map, then goes through from top to bottom taking skewh rows and drawing them using sspr, adding 2 pixels more to the width every time. The skewh value defaults to 4.
Left/down decreases skewh (minimum of 1), up/right increases skewh (maximum of 16), and the buttons toggle the skewing on and off.
With max zoom it's a little wonky. Interesting idea though. This is definitely desirable for an AIRSHIP in FF6.
I'm actually also working on getting an actual mode7 thing going but that's still in the works and this was way easier and more performant XD
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