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How to get coords in Filter


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For fullscreen filters pixi uses same coords, so "cont.filterArea = app.screen" seems to solve the problem. Any other sizes, ( whatever container bounds are) temporary textures have pow2 sizes, different from what you pass in u_lightmap - you have to convert "input coords" to "pixel coords" and then to your u_lightmap coords, probably passing dimensions of the lightmap through uniforms.

If you want more info on coords, you have to go through https://github.com/pixijs/pixi.js/wiki/v5-Creating-filters .

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Edited by ivan.popelyshev
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