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Found 4 results

  1. Greetings! I've been porting this shadertoy shader to pixi js. It's compiling and running well. However, there seems to be a weird artifact in the rendered background and I'm guessing it's related to my poor knowledge of how pixi passes texture coordinates to the shader. In my codepen here you can see my latest attempt. The background image as seen here, renders as vertical strips in the pixi filter. It appears as if the top row of pixels of the image is repeated vertically?? I feel like it's something simple that I'm overlooking but wonder if anyone might have any insight as to why the striping is happening? Thank you to all the pixi / shader wizards here who might be able to please shed light on this. Cheers! ps -> i'm running pixi 6.5.8
  2. I'm porting over this shadertoy shader: https://www.shadertoy.com/view/XslGRr As you can see in `iChannel0`, in order to work correctly, the texture must have "VFlip" enabled. However, I do not see this option in PixiJS, nor can I find what it does.
  3. Hello, Is there a guide or some documentation on how to convert shaders from ThreeJS or shadertoy? I see that each one uses different uniforms and it a bit confusing. For example I wanted to convert this shader from shadertoy: https://www.shadertoy.com/view/lsK3Dm I added the code to CYOS on the fragment shader box but got many errors mostly due to the lack of uniforms that shadertoy uses by default. It would be nice if a list of equivalents existed that would make the convertion easier from one tool to another since all use GLSL And this is the ThreeJS example that I tried to convert and also failed: Thanks in advance. I know this is a complicated issue and not so difficult for people with abundant knowledge with shaders, but we all have to start somewhere
  4. Hi everyone ! Being a newbie to a lot of things dev-wise, I only have the 'creative' approach, then learn what I can about how to do it, but some things are obviously out of my reach so far ... But I keep learning little bits by little bits, and hopefully someday I'll be able to contribute more deeply ! I have understood that Shaders can be powerful, and ran across that awesome site that some of you know : shadertoy.com. It has lots of amazing examples like those : Fog example : https://www.shadertoy.com/view/Msf3zX Clouds example : https://www.shadertoy.com/view/XslGRr So my question is quite simple, would Babylon.js be able to render something like those examples above ? They look amazing !
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