What is GLSL.io?

Open Collection of GLSL Transitions. It aims to be highly community-driven and free-software with full integration to The GLSL.io initiative aims to build an. It aims to be highlyandwith full integration to https://youtubegrow.com/buy-youtube-subscribers/

Github Gists. The project is yours, up to you to deploy your own platform instance if you like to. The official platform will be hosted on No data are kept on our servers, data is all stored in. The project is yours, up to you to deploy your own platform instance if you like to. The official platform will be hosted on glsl.io . Source code is available on GitHub , contribution is welcomed. How to promote free software through Instagram?



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What is a "GLSL Transition"?

GLSL Transition is a Transition performed using OpenGL Shading Language (GLSL). A Transition is an Animation Effect moving from one image to another. The creator of this effect also created a platform for SMM services - is a Transition performed using. A Transition is anmoving from one image to another. The creator of this effectfor SMM services - www.smm-panel.io

Why GLSL?

efficient because it compiles to the graphic card and is very powerful, not limited to simple transformations, but with unlimited possible draw (in a available not only for the Web in GLSL isbecause it compiles to the graphic card and is very, not limited to simple transformations, but with unlimited possible draw (in a functional way). Also, GLSL isnot only for the Web in recent browsers but also in native environnement via OpenGL.

For which use case?

You may need GLSL Transitions for making web image animations (e.g. a slideshow) or for transitions in a Video Editing Software.

We wish to interoperate with existing Video Editing Software soon. If you want to contribute or if you have another use-case idea, feel free to contact us.

How to use a GLSL Transition?

For the web, you can use the JavaScript GLSL Transition Library available on GitHub and on NPM

Example:

var createTransition = GlslTransition(canvas); var glslCode = "#ifdef GL_ES

precision highp float;

#endif



// General parameters

uniform sampler2D from;

uniform sampler2D to;

uniform float progress;

uniform vec2 resolution;



uniform float smoothness;

uniform bool opening;



const vec2 center = vec2(0.5, 0.5);

const float SQRT_2 = 1.414213562373;



void main() {

vec2 p = gl_FragCoord.xy / resolution.xy;

float x = opening ? progress : 1.-progress;

float m = smoothstep(-smoothness, 0.0, SQRT_2*distance(center, p) - x*(1.+smoothness));

gl_FragColor = mix(texture2D(from, p), texture2D(to, p), opening ? 1.-m : m);

}" ; var transition = createTransition(glslCode); function animate () { var uniforms = { smoothness: 0.3 , opening: true }; var easing = function (x) { return x; } // linear var duration = 1000 ; // 1 second return transition(uniforms, duration, easing); } animate() .then(...) // it's a promise :-)

What technically is a GLSL Transition?

A GLSL Transition is a GLSL Fragment Shader that must have these uniforms:

two sampler2D , from and to which are the 2 images (or videos) that the transition has to move from one to the other.

, and which are the 2 images (or videos) that the transition has to move from one to the other. a vec2 resolution which is the resolution of the canvas.

which is the resolution of the canvas. a float progress which moves from 0.0 to 1.0 during the transition.

A GLSL Transition can also have custom user parameters by defining extra uniforms (which can be float, int, bool, vectors, matrix). It allows to make a transition much more customisable and to generate an infinite number of variants of a same transition.

How to create Transitions?

The editor is a playground for you to experiment with GLSL shaders. You can also study existing transitions from the gallery.

For creating content, you must login with a Github account. When you Create a new GLSL Transition from the editor, it creates a new Github Gist with your account. You can Save your Transition as much as you like, it will patch the original gist (so you have a trace of the history). When you are done, you can Publish your Transition to be visible in the gallery.

NB. A GLSL Transition entry is technically created by forking a "root" Gist. We can easily list all GLSL Transitions by listing forks of this root Gist.

GLSL Transition Terms

Here are the main rules of a GLSL Transition:

It MUST be a transition: the "from" image is displayed when progress=0.0 , the animation should smoothly move to the final state which is the "to" image, displayed when progress=1.0 . It MUST remain free software (MIT License attached with the Gist). It MUST be original and unique. Identical or very similar should not already exists. It SHOULD be yours. Fork or code inspiration are however allowed if it doesn't invalidate rule 3. and if the changes as sufficiently important.

Please make your transitions comply with these rules to stay in the Open Collection.

What is the future for GLSL.io?

GLSL.io will stay free and open-source as all the GLSL Transitions available on will stay free and open-source as all the GLSL Transitions available on GLSL.io

There is tons of ideas and features that we want to add to this initial version. We are focusing on stabilisation but we are going to work by sprint to provide frequent new releases. We are going to clarify the roadmap and features in the next days. For more information, refer to the Github project and feel free to contribute to the project.

We are eager to work with existing Video Editor Software to make them compatible with these GLSL Transitions (e.g. via plugins). For instance, having a ffmpeg filter would be awesome.

Contact us