swing+collision test

by Alan Lin

HTML

<div id="info">baseball bat
  <br/>collision + swing test </div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r78/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://jyunming-chen.github.io/tutsplus/js/KeyboardState.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/dat-gui/0.5.1/dat.gui.min.js"></script>

CSS

#info {
  position: absolute;
  top: 0px;
  width: 100%;
  padding: 10px;
  text-align: center;
  color: #ffff00
}
body {
  overflow: hidden;
}
#gui {
    position: absolute;
    top: 20px;
    left: 20px;
  height: 350px;
}

JavaScript

var scene, renderer, camera;
var controls;
var batR = 0.5, batH  = 10;
var pos ,vel,force;
var ballr = 0.7;
var ball0,ball1;
var ball0 = new THREE.Vector3(), ball0trans = new THREE.Vector3();
var ball1 = new THREE.Vector3(), ball1trans = new THREE.Vector3();
var pt, x,y,z, b;
var clock = new THREE.Clock();
var clock2 = new THREE.Clock();
var pitchtime = 0;
var hitturn = false;
var batturn = true;
var vPlus, tmp, nn, v;
var j = new THREE.Vector3 (0,0,-100);
var bc = new THREE.Vector3();
var batorigin;
var clock3 = new THREE.Clock();
var dt = 0;
var turn = false,turn2 = false;
var keys = [[0,	  [ -9	,11.3	,5.1	,-0.01	,2.03	, 0.83	]], 
						[0.13,[-8.2	,10.7	,3.4	,0.0	,2.5	,1.35	]], 
            [0.25,[-7.3	,10.1	,1.7	,0.0	,2.8	,1.45	]],
            [0.35,[-6.9	,9.5	,0		,0.0	,3.14	,Math.PI/2]],
						[0.55,[-7.3	,9.8	,-1.7	,0.0	,3.5	,1.53	]],
            [0.67,[-8.2	,10.3	,-3.4	,0.0	,4		,1.34	]], 
						[0.82,[ -9	,10.7	,-5.1	,0.0	,4.5	,1.18	]],
            [1,   [ -12	,11.4	,-3.7	,0.0	,5.5	,1.0	]]]; 
var keys2 = [[0,	  [ -9	,11.3	,5.1	,-0.01	,2.03	, 0.83	]], 
						[0.33,[-8.2	,10.7	,3.4	,0.0	,2.5	,1.35	]], 
            [0.66,[-7.3	,10.1	,1.7	,0.0	,2.8	,1.45	]],
            [1,		[-6.9	,9.5	,0		,0.0	,3.14	,Math.PI/2]]]; 
var T = 0.8;
var keyboard = new KeyboardState();
var ts = 0;
var intKey=[];   
var S = 500;

init();
animate();

function init() {
	scene = new THREE.Scene();
	THREE.ImageUtils.crossOrigin = '';
  
	camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1000);
	camera.position.set(0,5,-50);
	scene.add(camera);

	light = new THREE.PointLight(0xffffff);
	light.position.set(50, 50, 0);
	scene.add(light);

	var gridXZ = new THREE.GridHelper(100, 5);
	gridXZ.setColors(new THREE.Color(0xff0000), new THREE.Color(0xffffff));
	scene.add(gridXZ);

	renderer = new THREE.WebGLRenderer();
	renderer.setSize(window.innerWidth, window.innerHeight);
	renderer.setClearColor(0xaaaaaa);
	
	controls = new THREE.OrbitControls(camera,...