JSFiddle - React, Tailwind, and code Playground

by realhunts

HTML

<script src="http://threejs.org/build/three.min.js"></script>
<script src="http://threejs.org/examples/js/controls/OrbitControls.js"></script>
<script src="https://rawcdn.githack.com/erosmarcon/three-steer/master/js/ThreeSteer.js"></script>

JavaScript

// a basic three.js scene

var container, renderer, scene, camera, controls;
var entity;
var avoidEnt = []
var boundaries;
init();
animate();

function init() {

    // renderer
    renderer = new THREE.WebGLRenderer({
        antialias: false
    });
    renderer.setSize(window.innerWidth, window.innerHeight);
    renderer.setClearColor(0xccccff);
    container = document.createElement('div');
    document.body.appendChild(container);
    container.appendChild(renderer.domElement);

    // scene
    scene = new THREE.Scene();

    // camera
    camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 10000);
    camera.position.set(0, 200, 800);
    camera.lookAt(scene.position);

    // (camera) controls
    // mouse controls: left button to rotate, 
    //    mouse wheel to zoom, right button to pan
    controls = new THREE.OrbitControls(camera, renderer.domElement);

    // light    
    var light = new THREE.PointLight(0xffffff);
    light.position.set(100, 250, 250);
    scene.add(light);

    // mesh
    var sphereGeometry = new THREE.BoxGeometry(100, 100, 100);
    var sphereMaterial = new THREE.MeshLambertMaterial({
        color: 0xff0000
    });
    var sphere = new THREE.Mesh(sphereGeometry, sphereMaterial);
    sphere.position.y = 100;
    scene.add(sphere);

entity = new SteeringEntity(sphere);
scene.add(entity);

console.log(entity)


var numPoints = 50;

spline = new THREE.SplineCurve3([
   new THREE.Vector3(0, 100, 0),
   new THREE.Vector3(0, 100, 300),
   new THREE.Vector3(250, 100, 250),
   new THREE.Vector3(250, 100, 150),
   new THREE.Vector3(350, 100, 200),
   new THREE.Vector3(350, 100, 400)
]);

var material = new THREE.LineBasicMaterial({
    color: 0xff00f0,
});

var geometry = new THREE.Geometry();
var splinePoints = spline.getPoints(numPoints);

for(var i = 0; i < splinePoints.length; i++){
    geometry.vertices.push(splinePoints[i]);
    var m = new THREE.Vector3(splinePoints[i].x, splinePoints[i].y,...