runnable fragment
code snippet
uniform float circleSize;
uniform float thickness;
uniform vec2 position;
uniform float rotation;
uniform float moveSpeed;
uniform float moveAmount;
uniform float rotationSpeed;
uniform vec4 color1;
uniform vec4 color2;
uniform vec4 color3;
uniform vec4 color4;
uniform vec4 color5;
uniform vec4 color6;
precision mediump float;