Как сделать курсор в виде чернильного пятна в Tilda

<script src='https://cdnjs.cloudflare.com/ajax/libs/matter-js/0.14.2/matter.min.js'></script><script  src="./script.js"></script>

<script>
var canvas = document.getElementById('canvas');
    var Engine = Matter.Engine,
    Render = Matter.Render,
    Events = Matter.Events,
    MouseConstraint = Matter.MouseConstraint,
    Mouse = Matter.Mouse,
    World = Matter.World,
    Bodies = Matter.Bodies;

// create an engine
var engine = Engine.create(),
    world = engine.world;

engine.world.gravity.y = -1;
engine.world.gravity.x =0;

// create a renderer
var render = Render.create({
    element: canvas,
    engine: engine,
    options: {
      width: window.innerWidth,
      height: window.innerHeight,
      pixelRatio: 2,
      background: 'transparent',
      wireframes: false,
    }
});


// create bounds
var ground = Bodies.rectangle(
  (window.innerWidth / 2) + 160, window.innerHeight + 80, window.innerWidth + 320, 160,{render: { fillStyle: '#080808'}, isStatic: true });
var wallLeft = Bodies.rectangle( -80, window.innerHeight / 2, 160,   window.innerHeight, { isStatic: true });
var wallRight = Bodies.rectangle(window.innerWidth + 80, window.innerHeight / 2, 160, 1200, { isStatic: true })
var roof = Bodies.rectangle(
  (window.innerWidth / 2) + 160, -80, window.innerWidth + 320, 160, { isStatic: true })

// object colors & variables
var arts = "#000"
var videos = "#B3E8F3"
var abouts = '#4D4D4D'

var border = 0
var radius = 0

// create objects

// art & design
var illustration = Bodies.rectangle(970, 50, 133, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/RADmiFI.png', xScale: 0.5, yScale: 0.5 }}})
var art = Bodies.rectangle(935, 60, 56, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/NwQqeng.png', xScale: 0.5, yScale: 0.5 }}})
var threeD = Bodies.rectangle(990, 160, 52, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/ptUWXgO.png', xScale: 0.5, yScale: 0.5 }}})
var graphic = Bodies.rectangle(960, 120, 105, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/TyOmVtt.png', xScale: 0.5, yScale: 0.5 }}})
var photo = Bodies.rectangle(1250, 380, 86, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/tc3MsJP.png', xScale: 0.5, yScale: 0.5 }}})
// video
var documentary = Bodies.rectangle(920, 140, 165, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/QYNTBNr.png', xScale: 0.5, yScale: 0.5 }}})
var animation = Bodies.rectangle(900, 90, 128, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/rSnEY9Q.png', xScale: 0.5, yScale: 0.5 }}})
var vintage = Bodies.rectangle(790, 140, 104, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/5BSBvSm.png', xScale: 0.5, yScale: 0.5 }}})
var short = Bodies.rectangle(970, 390, 82, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/VEyrikN.png', xScale: 0.5, yScale: 0.5 }}})
//misc
var website = Bodies.rectangle(760, 420, 108, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/hr9p4uV.png', xScale: 0.5, yScale: 0.5 }}})
var article = Bodies.rectangle(1100, 380, 92, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/n6TV7XG.png', xScale: 0.5, yScale: 0.5 }}})
var music = Bodies.rectangle(1290, 360, 86, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/dax8MwT.png', xScale: 0.5, yScale: 0.5 }}})
var star = Bodies.rectangle(1200, 260, 42, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/C2qPMbB.png', xScale: 0.5, yScale: 0.5 }}})
//about
var about = Bodies.rectangle(930, 140, 87, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/4gPcZVN.png', xScale: 0.5, yScale: 0.5 }}})
var instagram = Bodies.rectangle(920, 180, 40, 40, {id: 'instagramBody', chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/RStSwfG.png', xScale: 0.5, yScale: 0.5 }}, url: 'https://www.instagram.com/fuse.blog/'})
var random = Bodies.rectangle(930, 180, 112, 40, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://i.imgur.com/YS51eIC.png', xScale: 0.5, yScale: 0.5 }}})
var matilda = Bodies.rectangle(930, 180, 165, 76, {chamfer: {radius: radius}, render: { sprite: { texture: 'https://static.tildacdn.com/tild3830-3437-4538-b762-653738393335/Matilda.png', xScale: 1, yScale: 1 }}})


// Original Shape
// var illustration = Bodies.rectangle(70, 500, 133, 40, {render: { fillStyle: arts}, chamfer: {radius: 20}})


// add all of the bodies to the world
World.add(engine.world, [
  ground, wallLeft, wallRight, roof, illustration, art, threeD, graphic, photo, documentary, animation, vintage, short, website, article, music, star, about, instagram, random, matilda
]);

// add mouse control
var mouse = Mouse.create(render.canvas),
    mouseConstraint = MouseConstraint.create(engine, {
      mouse: mouse,
      constraint: {
        stiffness: 0.2,
        render: {
          visible: false
        }
      }
    });

World.add(world, mouseConstraint);

// keep the mouse in sync with rendering
render.mouse = mouse;

// Allow page scrolling in matter.js window
mouse.element.removeEventListener("mousewheel", mouse.mousewheel);
mouse.element.removeEventListener("DOMMouseScroll", mouse.mousewheel);

// Detect clicks vs. drags
let click = false;

document.addEventListener('mousedown', () => click = true);
document.addEventListener('mousemove', () => click = false);
document.addEventListener('mouseup', () => console.log(click ? 'click' : 'drag'));

// Create a On-Mouseup Event-Handler
Events.on(mouseConstraint, 'mouseup', function(event) {
  var mouseConstraint = event.source;
  var bodies = engine.world.bodies;
  if (!mouseConstraint.bodyB) {
    for (i = 0; i < bodies.length; i++) { 
      var body = bodies[i];
      // Check if clicked or dragged
      if (click === true) {
      if (Matter.Bounds.contains(body.bounds, mouseConstraint.mouse.position)) {
          var bodyUrl = body.url;
          console.log("Body.Url >> " + bodyUrl);
          // Hyperlinking feature
          if (bodyUrl != undefined) {
            //window.location.href = bodyUrl;
            window.open(bodyUrl, '_blank');
            console.log("Hyperlink was opened");
          }
          break;
        }
      }
    }
  }
});

// run the engine
Engine.run(engine);

// run the renderer
Render.run(render);
</script>