See the Pen scaled checker pattern by aadebdeb (@aadebdeb) on CodePen. #define PI 3.14159265359 precision mediump float; uniform float u_time; uniform vec2 u_mouse; uniform vec2 u_resolution; void main(void) { vec2 pos = gl_FragCoord.xy - …

See the Pen rotating checker pattern by aadebdeb (@aadebdeb) on CodePen. #define PI 3.14 precision mediump float; uniform float u_time; uniform vec2 u_mouse; uniform vec2 u_resolution; void main(void) { vec2 pos = gl_FragCoord.xy - u_resol…