20 Stars

https://gyazo.com/2e0481d5b501b9eb9e0e45df7150f693

code:glsl

precision mediump float;

uniform float time;

uniform vec2 mouse;

uniform vec2 resolution;

void main( void ) {

const float ncircle = 20.0;

const float orbit_radius = 0.4;

const float circle_radius = 0.01;

vec2 pos = (gl_FragCoord.xy - 0.5 * resolution) / min(resolution.x, resolution.y);

vec3 color = vec3(0);

for(float angle = 0.0; angle < 2.0 * 3.14; angle += 2.0 * 3.14 / ncircle) {

float x = orbit_radius * cos(angle);

float y = orbit_radius * sin(angle);

color += circle_radius / length(pos - vec2(x, y)) * vec3(1);

}

gl_FragColor = vec4(color, 1);

}