Discover and read the best of Twitter Threads about #GLSL

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I helped out the wonderful @by_index team to create this project

This twitter thread is a break-down of the homepage WebGL #threejs interactive animation:

1 - Problem decomposition ๐Ÿ”

The idea was to have an interactive glossy 3d ball that would interpolate between different states on scroll ๐Ÿ–ฑ

At this point I know that a custom #shader is going to be involved as well as a sort of key frame manager for the state interpolation Image
2 - Interactive Bump (1/4) ๐Ÿคœ๐Ÿค›

With this idea,
I also needed to come up with a mouse interactivity visual on the ball that would be present throughout the animation

These next few parts will be about the development of that โ€œmouse bumpโ€
Read 11 tweets
We're hiring creative programmers to create AR experiences and effects at the TikTok AI Lab in Mountain View or Los Angeles

#AR #ARKit #ARCore #AugmentedReality #GLSL
This one is for a tech lead for the TikTok AR effects team

#AR #ARKit #ARCore #AugmentedReality #GLSL
Also looking for software engineers for the TikTok platform (C++/iOS/Android/Backend)

#iOS #AR #ARKit #Android #ARCore #AugmentedReality
Read 3 tweets

Before I get to the shaping functions, SDFs and other cool stuff, I thought it'd be useful to first mention some helpful general-purpose methods that can be proven useful later.

#glsl #shaderbasics #shaders

These are fairly intuitive and common; they take 2 parameters and return the minimum or the maximum of the two respectively. They're useful for masking things in/out and blending them.
In this example, the left half of the screen (which has a uv.y less than 0.5) is colored with the UV gradient, however the right half has a solid value of 0.5 (since it's smaller than uv.x).
Read 12 tweets
Shaders requires an understanding of light and other basic principles that rules our perception. โฆ@pixelspiritdeckโฉ can be your guide on that path
00 VOID: The empty canvas. Full potential. The absence of light before creation. In this empty space the main() function lies alone.
01 JUSTICE: with the severity of a sword this card cuts the space judging. The step() function turns the gradient of the horizontal axis into oposites. The first argument, the threshold, divides between full & empty, active vs passive. Like Procrustes this card force his own rule
Read 18 tweets

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