pinball shooter

with orbitControls, XZgrid, info

by FatHomebody

HTML

<div id="info">pinball shooter interface
</div>
<script src="http://cdnjs.cloudflare.com/ajax/libs/three.js/84/three.min.js"></script>

CSS

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

body {
  overflow: hidden;
}

JavaScript

var camera, scene, renderer;
var pull
var point = new THREE.Vector3();
var mouseDown = false;

init();
animate();

function init() {

  renderer = new THREE.WebGLRenderer({
    antialias: true
  });

  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0x888888);
  document.body.appendChild(renderer.domElement);

  scene = new THREE.Scene();
  camera = new THREE.OrthographicCamera(-50, 50, 50, -50, -10, 100);
  camera.position.z = 10;

	grid = new THREE.GridHelper (100,10,'red','white')
	grid.rotation.x = Math.PI/2
	scene.add (grid)
  
  pin = new THREE.Mesh (new THREE.CircleGeometry(1,20), new THREE.MeshBasicMaterial())
  scene.add(pin)
  pull = new THREE.Mesh (new THREE.CircleGeometry(1,20), new THREE.MeshBasicMaterial({color:'red'}))
  pull.position.y = -10
  scene.add(pull)
  
  let loader = new THREE.TextureLoader ();
  loader.crossOrigin =""
  let tex = loader.load ("https://i.imgur.com/BC8sDKe.png")
  spring = new THREE.Object3D();
  let springMesh = new THREE.Mesh (new THREE.PlaneGeometry (10,10), new THREE.MeshBasicMaterial({map: tex, transparent: true}))
  scene.add (spring)
  spring.add (springMesh)
  springMesh.position.y = -5
  
  
  window.addEventListener('resize', onWindowResize, false);
  window.addEventListener('mousedown', onDocumentMouseDown, false);
  window.addEventListener('mouseup', onDocumentMouseUp, false);
  window.addEventListener('mousemove', processMove, false);
}

function onWindowResize() {
  camera.aspect = window.innerWidth / window.innerHeight;
  camera.updateProjectionMatrix();
  renderer.setSize(window.innerWidth, window.innerHeight);
}

function onDocumentMouseDown(event) {
	mouseDown = true;
	processMove (event)
}

function onDocumentMouseUp(event) {
	mouseDown = false;

	let startPos = new THREE.Vector3()
  startPos.copy ( pull.position )
  let midPos = new THREE.Vector3();
  midPos.copy(startPos).setLength(10)
  let finalPos = new THREE.Vector3()
  finalPos.set (0, -10, 0)
  setTimeout...