HomeWork8

by omgazero

HTML

<div id="info">
  homework8
  W/A/S/D/Q/E/R/F/SPACE
</div>
<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://cdnjs.cloudflare.com/ajax/libs/stats.js/r16/Stats.min.js"></script>

</script>
<script src="https://jyunming-chen.github.io/tutsplus/js/KeyboardState.js"></script>

CSS

#info {
  position: absolute;
  top: 0px;
  width: 100%;
  padding: 10px;
  text-align: center;
  color: #ffff00;
}

body {
  overflow: hidden;
}

JavaScript

var frame, scene, light, camera, renderer, controls, stats;
var keyboard = new KeyboardState();
var bullets = [], bulletNum = 0;

class bullet{

	constructor(m, pos, v){
  	
    this.ball =  new THREE.Mesh(new THREE.SphereGeometry (3,20,20), new THREE.MeshNormalMaterial()) ;
  	this.m = m;
    this.force = new THREE.Vector3 (0, -9.8, 0).multiplyScalar (this.m);
    this.clock = new THREE.Clock();
    this.clock.start();
    this.pos = pos;
    this.ball.position.copy (this.pos);
    this.vel = v.clone().multiplyScalar( 5 ).applyAxisAngle (new THREE.Vector3(0,0,0), Math.PI/4);
  } 
	
  update() {
  
    this.vel.add ( this.force.clone().divideScalar(this.m).multiplyScalar (this.clock.getElapsedTime()*0.1) );
    
    this.pos.add ( this.vel.clone().multiplyScalar (this.clock.getElapsedTime()*0.1) );
    
    this.ball.position.copy (this.pos);
  }
  
}


init();
animate();

function init() {
  renderer = new THREE.WebGLRenderer();
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0x888888);
  document.body.appendChild(renderer.domElement);

  scene = new THREE.Scene();

  camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 1, 10000);
  camera.position.z = 200;

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

  stats = new Stats();
  stats.showPanel(0);
  stats.domElement.style.position = 'absolute';
  stats.domElement.style.left = '0px';
  stats.domElement.style.top = '0px';
  document.body.appendChild(stats.domElement);


  light = new THREE.PointLight(0xffffff);
  light.position.set(100, 300, 200);
  scene.add(light);

  var gridXZ = new THREE.GridHelper(2000, 200, 'red', 'grey');
  scene.add(gridXZ);
  
  frame = createTank();
  frame[0].position.y = 5;
  scene.add(frame[0]);
  
  
}

function animate() {

  stats.begin();
  controls.update();
  
  keyboard.update();
  if(keyboard.pressed('W')){
  
  	frame[0].translateX(0.5) ; 
  }
  if(keyboard.pressed('S')){
  
 ...