rtmonteiro.github.io/threejs.html at master · rtmonteiro/rtmonteiro.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Ryan's World - ThreeJS</title>
  <script src="https://kit.fontawesome.com/f5be8e1e8e.js" crossorigin="anonymous"></script>
  <style>
    @import url('https://fonts.googleapis.com/css?family=Montserrat:400,700&display=swap');

    body {
      margin: 0;
      height: 100vh;
      font-family: 'Montserrat';
    }

    a {
      position: absolute;
      top: 3%;
      left: 3%;
      font-size: 1.2rem;
      font-weight: bold;
      cursor: pointer;
    }

    canvas {
      display: block;
    }

    #text {
      position: absolute;
      top: 50vh;
      left: 50vw;
      transform: translate(-50%, -50%);

      width: auto;

      border: 5px solid black;
      padding: .5em;
      text-align: center;
    }

    #text h1 {
      font-size: 7rem;
      text-transform: uppercase;
      /* line-height: 1em; */
    }

    #text p {
      font-size: 2em
    }

    @media (max-width: 650px) {
      #text h1 {
        font-size: 4em;
      }
    }
  </style>
</head>

<body>

  <a onclick="goBack()"><i class="fas fa-arrow-left"></i> Go Back</a>

  <div id="text">
    <h1>ThreeJS Rules!</h1>
    <p><b>To have fun:</b> click in a cube!</p>
  </div>

  <script>
    function goBack() {
      window.history.back();
    }
  </script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/102/three.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.1.2/TweenMax.min.js"></script>
  <script>
    var scene = new THREE.Scene();

    var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
    camera.position.z = 5;

    var renderer = new THREE.WebGLRenderer({
      antialias: true
    });
    renderer.setClearColor('#e5e5e5');
    renderer.setSize(window.innerWidth, window.innerHeight);

    document.body.appendChild(renderer.domElement);

    window.addEventListener('resize', () => {
      renderer.setSize(window.innerWidth, window.innerHeight);
      camera.aspect = window.innerWidth / window.innerHeight;

      camera.updateProjectionMatrix();
    })

    var raycaster = new THREE.Raycaster();
    var mouse = new THREE.Vector2();

    var geometry = new THREE.BoxGeometry(1, 1, 1);
    var material = new THREE.MeshLambertMaterial({
      color: 0xF7F7F7
    });
    // var mesh = new THREE.Mesh(geometry, material);

    // mesh.position.set(2, 2, -2);
    // mesh.rotation.set(45, 0, 2);

    // scene.add(mesh);

    meshX = -10;
    for (var j = 0; j < 15; ++j) {
      var mesh = new THREE.Mesh(geometry, material);
      mesh.position.x = (Math.random() - 0.5) * 10;
      mesh.position.y = (Math.random() - 0.5) * 10;
      mesh.position.z = (Math.random() - 0.5) * 10;
      scene.add(mesh);
      meshX++;
    }

    var light = new THREE.PointLight(0xFFFFFF, 1, 1000);
    light.position.set(0, 0, 0);
    scene.add(light);

    var light = new THREE.PointLight(0xFFFFFF, 2, 1000);
    light.position.set(0, 0, 25);
    scene.add(light);

    // This function refreshs de page everytime the window change it's size
    var render = function () {
      requestAnimationFrame(render);

      renderer.render(scene, camera);
    };

    function onMouseMove(event) {
      event.preventDefault();

      mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
      mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;

      raycaster.setFromCamera(mouse, camera);

      var intersects = raycaster.intersectObjects(scene.children, true);
      for (var i = 0; i < intersects.length; i++) {
        // intersects[i].object.material.color.set(0xff0000);
        this.tl = new TimelineMax();
        const form = intersects[i].object;
        // console.log(form);
        const formPositionX = form.position.x;
        const formRotationY = form.rotation.y;

        const power = Math.floor(Math.random() * 10);
        const direction = Math.pow(-1, power);
        // console.log(direction, power);

        this.tl.to(form.scale, 1, {
          x: 2,
          ease: Expo.easeOut
        }).to(form.scale, .5, {
          x: 1,
          ease: Expo.easeOut
        }).to(form.position, .5, {
          x: formPositionX + direction * (Math.random() * 5),
          ease: Expo.easeOut
        }).to(form.rotation, .5, {
          y: formRotationY + direction * (Math.PI * .5),
          ease: Expo.easeOut
        }, "-=1.5");
      }
    }

    window.addEventListener('click', onMouseMove);
    render();
  </script>
</body>

</html>