swing+collision

by Alan Lin

HTML

<div id="info">Baseball demo
</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: 2%;
  width: 100%;
  padding: 10px;
  text-align: center;
  color: #ffff00
}

body {
  overflow: hidden;
}

JavaScript

var scene, renderer, camera;
var controls;
var keyboard = new KeyboardState();
var clock = new THREE.Clock();
var clock2 = new THREE.Clock();
var swing = false, turn2 = true ;
var period = 0.5;
var ball0,ball1;
var batR = 0.5, batH  = 10;
var ballr = 0.7;
var hitturn  = false ;
var ss = 0, s;
var pos ,vel,force;
var ball0 = new THREE.Vector3(), ball0trans = new THREE.Vector3();
var ball1 = new THREE.Vector3(), ball1trans = new THREE.Vector3();
var pt, turnover, x,y,z;
var j = new THREE.Vector3 (0,0,0);
var vPlus, tmp, nn, v;
var bc0 = new THREE.Vector3(), bc = new THREE.Vector3();
var batturn = true;
var pitchtime = 0;
var worldpos = new THREE.Vector3(0, 0, 0);
var batpos = new THREE.Vector3(1, 0, 0);
var a = new Array( 0,0,0,
                   0,0,0,
                   0,0,0);
var hitperiod = 5;
var buntperiod = 0.2;

var hit = false, bunt = false;
var hits2 = 0, bunts2 = 0;

init();
animate();

var pose1 = {
		batPX: -9,
    batPY: 11.3,
    batPZ: 5.1, 
    batRX: -0.01,
    batRY: 2.03,
    batRZ: 0.83,
};
var pose2 = {
		batPX: -8.2,
    batPY: 10.7,
    batPZ: 3.4, 
    batRX: 0.0,
    batRY: 2.5,
    batRZ: 1.35
   
};
var pose3 = {
		batPX: -7.3,
    batPY: 10.1,
    batPZ: 1.7,
    batRX: 0.0,
    batRY: 2.8,
    batRZ: 1.45,
};
var pose4 = {
		batPX: -6.9,
    batPY: 9.5,
    batPZ: 0, 
    batRX: 0.0,
    batRY: 3.14,
    batRZ: Math.PI/2,
};
var pose5 = {
		batPX: -7.3,
    batPY: 9.8,
    batPZ: -1.7, 
    batRX: 0,
    batRY: 3.5,
    batRZ: 1.53,
};
var pose6 = {
		batPX: -8.2,
    batPY: 10.3,
    batPZ: -3.4, 
    batRX: 0,
    batRY: 4,
    batRZ: 1.34,
};
var pose7 = {
		batPX: -9,
    batPY: 10.7,
    batPZ: -5.1, 
    batRX: 0.0,
    batRY: 4.5,
    batRZ: 1.18,
};
var pose8 = {
		batPX: -12,
    batPY: 11.4,
    batPZ: -3.7,
    batRX: 0.0,
    batRY: 5.5,
    batRZ: 1.0,
};
var pose9 = {
		batRX: 0.0,
    batRY: 5.5,
    batRZ: 1.0,
   
};
var keys = [	{s: 0,pose: pose1}, 
							{s: 0.13, pose: pose2}, 
              {s: 0.25,pose:...