​

// load in the shader

function preload() {

  exampleShader = loadShader('example.vert', 'example.frag');

}

​

function setup() {

  createCanvas(1920, 1080, WEBGL);

  shader(exampleShader);

  exampleShader.setUniform("screenSize", [width, height]);

​

  noStroke();

}

​

function draw() {

  clear();

  // background(0);

  // Sphere example

  // rotateY(min(map(mouseX, 0, width, PI/2, TAU), TAU));

  // sphere(width/4);

  // Rectangle example

  translate(width/4 + 100, 0, -width/2);

  rotateX(-PI/4);

  rotateY(-PI * 0.3);

  box(height * 0.8);

}