uniform float width;
uniform vec2 offset;
uniform vec4 color1;
uniform vec4 color2;
uniform vec2 splitPos;
precision mediump float;
/*
{
  "CATEGORIES" : [
    "Pattern", "Color"
  ],
  "ISFVSN" : "2",
  "INPUTS" : [
    {

precision mediump float;

uniform float u_time;
uniform vec2 u_resolution;

void main() {
  vec3 black = vec3(0.0);
  vec3 white = vec3(1.0);
  vec3 color = black;

  vec2 uv = 2.0 * gl_FragCoord.xy / u_resolution - 1.0;
  uv.x = uv.x * u_resolution.x / u_resolution.y;
  color = vec3(uv, 0.0);

precision mediump float;

uniform float u_time;
uniform vec2 u_resolution;

// reference: https://iquilezles.org/articles/distfunctions2d/
float sdBox(in vec2 p, in vec2 b) {
  vec2 d = abs(p) - b;
  return length(max(d, 0.0)) + min(max(d.x, d.y), 0.0);
}

void main() {
  vec2 uv = 2.0 * gl_FragCoord.xy / u_resolution - 1.0;
  uv.x = uv.x * u_resolution.x / u_resolution.y;