Alien sunset

var gl, noctaves, c;

function setup() {

  createCanvas(windowWidth, windowHeight, WEBGL);

  gl=this.canvas.getContext('webgl');

  gl.disable(gl.DEPTH_TEST);

  noctaves=6;

  c=[];

  initc();

  test=new p5.Shader(this._renderer, vert, frag);//shaders are loaded

  shader(test);//shaders are applied

}

function initc() {

  for (var i=0; i<22; i++) {

    c[i]=random(-5, 5);

  }

}

​

function draw() {    

  test.setUniform("iResolution", [width, height]);//pass some values to the shader

  test.setUniform("iTime", millis()*.001);

  test.setUniform('iMouse', [mouseX, mouseY]);

  test.setUniform("noctaves", noctaves);

  test.setUniform("c", c);

  shader(test);

  if(width>height)box(width,height);

  else box(height,width);

}

function mouseReleased() {

  initc();

}