Threejs - Speed Func Test

by black strings

HTML

<script src="https://rawgit.com/mrdoob/three.js/dev/build/three.js"></script>
<script src="https://rawgit.com/mrdoob/three.js/dev/examples/js/controls/OrbitControls.js"></script>

<!-- test between parallel check using dot product vs vector comparison, both seems about equal, while test1 seems sometimes a split few mili seconds faster -->

CSS

/* fix mouse click offset errors when doing drags */
body {
  margin: 0;
}

JavaScript

var scene, renderer, camera;
var cube;
var controls;

var umbrellaMesh;

init();
lightSetup();
animate();

function init() {
  renderer = new THREE.WebGLRenderer({
    antialias: true
  });
  var width = window.innerWidth;
  var height = window.innerHeight;
  renderer.setSize(width, height);
  document.body.appendChild(renderer.domElement);

  scene = new THREE.Scene();

  var gridXZ = new THREE.GridHelper(1000, 100);
  scene.add(gridXZ);

  var axes = new THREE.AxesHelper(1000);
  scene.add(axes);
  
  camera = new THREE.PerspectiveCamera(45, width / height, 1, 10000);
  camera.position.y = 160;
  camera.position.z = 400;
  camera.lookAt(new THREE.Vector3(0, 0, 0));

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

  lightSetup();
  
  tese1()
  
}

// speed bendhmark test
function test1(vArr){
	let t0 = performance.now();
  
  vArr.forEach((v,i, vArr) => {
  	if(i-2 < vArr.length){
    	isParallel(v, vArr[i+1]);
    }
  	
  });
  
  let t1 = performance.now();
  console.log(`test1 time took ${t1-t0}`);
}

// speed bendhmark test
function test2(vArr){
	let t0 = performance.now();
  
  vArr.forEach((v,i, vArr) => {
  	if(i-2 < vArr.length){
    	isParallel2(v, vArr[i+1]);
    }
  	
  });
  
  let t1 = performance.now();
  console.log(`test2 time took ${t1-t0}`);
}

function vEquals(v1, v2, epsilon = .01) {
	return v1.distanceToSquared(v2) <= epsilon ? true : false;
}

function isParallel2(v1, v2) {
	if(v1 && v2 && hasDistanceDir(v1) && hasDistanceDir(v2)) {
  	const v2Negate = v2.clone().negate();
    if(vEquals(v1, v2Negate) || vEquals(v1, v2)) {
      return true;
    }
  }
  return false;
}

function isParallel(v1,v2) {
	if(v1 && v2 && hasDistanceDir(v1) && hasDistanceDir(v2)) {
  	const dot = v1.dot(v2);
		return dot === -1 || dot === 1 || Math.abs(dot) - 1 < .0001;
  }
  return false;
}

function isAllValuesNumbers(v) {
		let result = !isNaN(v.x) && !isNaN(v.y) && !isNaN(v.z);
    if(!result) {
    	console.log('vector not all values a...