createCanvas(300, 380, WEBGL)

  noStroke()

}

​

function draw() {

  background('white')

  ambientMaterial('cyan')

  const dx = map(mouseX, 0, width, 1, -1)

  const dy = map(mouseY, 0, height, 1, -1)

  directionalLight(255, 255, 255, dx, dy, -.5)

  rotateX(frameCount * 0.01)

  rotateY(frameCount * 0.01)

  rotateZ(frameCount * 0.01)

  torus(75, 30, 48, 32)

}

​