tschundler

#ifdef GL_ES
precision highp float;
#endif
uniform sampler2D from, to;
uniform float progress;
uniform vec2 resolution;

// Tunable parameters
uniform float zoom;  // How much to zoom (out) for the effect ~ 0.5 - 1.0
uniform float corner_radius;  // Corner radius as a fraction of the image height

corporateshark

#ifdef GL_ES
precision highp float;
#endif
uniform sampler2D from, to;
uniform float progress;
uniform vec2 resolution;

// Adapted by Sergey Kosarevsky from:
// http://rectalogic.github.io/webvfx/examples_2transition-shader-pagecurl_8html-example.html

graphnode

function levenshtein(s1, s2) {
      // http://kevin.vanzonneveld.net
      // +            original by: Carlos R. L. Rodrigues (http://www.jsfromhell.com)
      // +            bugfixed by: Onno Marsman
      // +             revised by: Andrea Giammarchi (http://webreflection.blogspot.com)
      // + reimplemented by: Brett Zamir (http://brett-zamir.me)
      // + reimplemented by: Alexander M Beedie
      // *                example 1: levenshtein('Kevin van Zonneveld', 'Kevin van Sommeveld');
      // *                returns 1: 3