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                html, body {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;


                // init Pixi app with picture width and height
const pixiApp = new PIXI.Application({ width: 800, height: 800 });

// add canvas to body

// create sprites directly from images (800x800)
const imageSprite = PIXI.Sprite.from('');
const depthMapSprite = PIXI.Sprite.from('');

// add the sprites to the stage
pixiApp.stage.addChild(imageSprite, depthMapSprite);

// init displacement filter with the depth map sprite
let displacementFilter = new PIXI.filters.DisplacementFilter(depthMapSprite);

// add the filter to the stage
pixiApp.stage.filters = [displacementFilter];

const mouseMove = function(e) {
  // divide by a value to minmize the effect (you can play around with the value)
  displacementFilter.scale.x = (window.innerWidth / 2 - e.clientX) / 30;
	displacementFilter.scale.y = (window.innerHeight / 2 - e.clientY) / 30;

window.addEventListener('mousemove', mouseMove);