JSFiddle - React, Tailwind, and code Playground

by Bai Shiuan Huang

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/84/three.min.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/stats.js/r16/Stats.min.js"></script>
<script src="https://jyunming-chen.github.io/tutsplus/js/KeyboardState.js"></script>
<div id = 'div1'>
  TANK<br>
  W (go foward) S (fall back)<br>
  Q E (TRUN TURRET)<br>
  A D (TRUN TANK)<br>
  1 2 (TRUN BARREL)<br>
  Space (SHOOT)
</div>

CSS

body {
  overflow: hidden;
}

#div1{
    position: absolute;
  top: 10vh;
  left: 10vw;
  color: white;
}

JavaScript

var renderer, camera, controls, scene, BARREL, TURRET, TANK;
var cannon, light;
var thetaTURRET = 0;
var thetaTANK = 0;
var thetaBARREL = -Math.PI/2;
var keyboard = new KeyboardState();
var vector, gforce, target;
var associate, stopped = true;
var tmpball = new THREE.Mesh(new THREE.SphereGeometry(1.5, 20, 20), new THREE.MeshLambertMaterial({
    color: 0xffff00
  }));
class Cannonball{
    constructor(){
      this.mesh = new THREE.Mesh(new THREE.SphereGeometry(1.5, 20, 20), new THREE.MeshLambertMaterial({
    color: 0xffff00
  }));
      this.mesh.visible = false;
      associate.add(this.mesh);
      this.vx = 0;
      this.vy = 0;
    }
    
    start(vx, vy, posX, posY){
      this.vx = vx;
      this.vy = vy;
      this.mesh.position.set(posX, posY, 0);
      this.mesh.visible = true;
      stopped = false;
    }
    
    update(dt){
	    this.vy += (-10 * dt);
      this.mesh.position.x += this.vx;
      this.mesh.position.y += this.vy;
      if (this.mesh.position.y < -15) {
        this.mesh.position.y = -15;
        //this.mesh.visible = false;
        stopped = true; 
      }
    }
}
init();
animate();


 
function init() {

  renderer = new THREE.WebGLRenderer({
    antialias: true
  });
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0x888888);
  document.body.appendChild(renderer.domElement);

  camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1000);
  camera.position.y = 200;
  camera.position.z = 150;

  controls = new THREE.OrbitControls(camera, renderer.domElement);
  scene = new THREE.Scene();

  stats = new Stats();
  stats.domElement.style.position = 'absolute';
  stats.domElement.style.bottom = '5px';
  stats.domElement.style.left = '10px';
  stats.domElement.style.zIndex = 100;
  document.body.appendChild(stats.domElement);

  var gridXZ = new THREE.GridHelper(200, 20, 'red', 'lightgreen');
  var axes = new THREE.AxisHelper(10);
  scene.add(axes);
  scene.add(gridXZ);
 ...