Muchly faster shader rendering than my last attempt (because it lets you use a lower resolution and uses costumes rather than pen) which also happens to not use JSF. Obviously you will have to write your own shaders or manually port them from GLSL, because I'm not about to write an interpreter. There are most likely a lot of maths functions missing and I probably forgot to provide some very important parameters so please shout at me on the forums and I will add themdata:image/png;base64,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Muchly faster shader rendering than my last attempt (because it lets you use a lower resolution and uses costumes rather than pen) which also happens to not use JSF. Obviously you will have to write your own shaders or manually port them from GLSL, because I'm not about to write an interpreter. There are most likely a lot of maths functions missing and I probably forgot to provide some very important parameters so please shout at me on the forums and I will add themRenders a single frame of a fragment shader function, vaguely following GLSL convention (e.g. coords originate at the top-left rather than centre, although they start at 1 because that's how Snap! does things) If you replace the C-shape with a ring, don't give it any inputs, and continue to use the upvars. The argument `speed` controls how the `time` upvar will be set - a higher speed will make time change quicker over (real) time and so the shader will animate faster. The `time` upvar bases its value on the project timer, so using RESET TIMER will restart the shader animation from the beginning.

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AAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECByxcQFpoRMBzwAAAABJRU5ErkJggg==10