material,
        material2,
        material3,
        bloomPass,
        bloomComposer,
        composer,
        finalPass,
        finalComposer;
      const width = window.innerWidth,
        height = window.innerHeight;

      function init() {
        createScene();
        postProc();
        mesh(); 
        animatBloom();
      }

      function createScene() {
        scene = new THREE.Scene();
        camera = new THREE.PerspectiveCamera(
          75,
          window.innerWidth / window.innerH