Circle

https://gyazo.com/8d3f1d78a1c74cf211074def3d2beb37

code:glsl

precision mediump float;

uniform float time;

uniform vec2 mouse;

uniform vec2 resolution;

void main( void ) {

// Move the origin to center of the screen by subtracting half of the screen size

// and divide by the shorter screen size to maintain the aspect ratio to -1 to 1,

// while the longer one exceeds it

t

}