hw4 prototype

seek

by Alvin Chen

HTML

<div id="info">hw4 helper</div>
<div id="group">
Group steer: No Method
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r70/three.min.js"></script>
<script src="https://dl.dropboxusercontent.com/u/3587259/Code/Threejs/OrbitControls.js">


</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
}
#group{
  position: absolute;
  top: 30px;
  width: 100%;
  padding: 10px;
  text-align: center;
  color: #ffff00
}
body {
  overflow:;
}

JavaScript

var camera, scene, renderer, controls;
var puck;
var agent;
var angle = 0;
var targetCatch = false;
var targetOmega = 0.3;
var raycaster;
var mouse = new THREE.Vector2();
var pickables = [];
var objects=[];
var keyboard = new KeyboardState();

var obCen = new THREE.Vector3(50,0,30);
var obCen1 = new THREE.Vector3(-50,0,30);
var obCen2 = new THREE.Vector3(0,0,-50);

var obRad = 30;
var obRad2 = 25;
var mass = 1;
var clock = new THREE.Clock();
var steertype = 0;
var target = new THREE.Vector3();

var Agent = function(mesh, initPos) {
  this.pos = new THREE.Vector3();
  if (initPos) this.pos.copy(initPos);

  this.vel = new THREE.Vector3();
  this.force = new THREE.Vector3();
  this.target = new THREE.Vector3();
  this.angle = 0
  this.mesh = mesh;
  this.maxSpeed = 60;
  this.maxForce = 60;

  this.setTarget = function(target) {
    this.target.copy(target);
  }

  this.update = function(dt) {
    // compute force
    this.force = this.target.clone().sub(this.pos).setLength(this.maxSpeed).sub(this.vel);
    
    // collision avoidance
    // (for each obstacle)
    var tmp = obCen.clone().sub(this.pos);
    var tmpProj = tmp.clone().projectOnVector(this.vel);
    
    //console.log (tmp.dot(this.vel));
    
    if (tmp.dot(this.vel) > 0) {
     if (tmpProj.clone().sub(tmp).length() < obRad + 3) {
       
       if (tmpProj.length() < 5*this.vel.length()) {
         console.log ('block & close');
       this.force.add (tmpProj.clone().sub(tmp).multiplyScalar(2));     
        }
      }
    }  
    
    var tmp1 = obCen1.clone().sub(this.pos);
    var tmpProj1 = tmp1.clone().projectOnVector(this.vel);
    
    //console.log (tmp.dot(this.vel));
    
    if (tmp1.dot(this.vel) > 0) {
     if (tmpProj1.clone().sub(tmp1).length() < obRad + 3) {
       
       if (tmpProj1.length() < 5*this.vel.length()) {
         console.log ('block & close');
       this.force.add (tmpProj1.clone().sub(tmp1).multiplyScalar(2));     
        }
      }
    }  
    
    var tmp2 =...