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>

JavaScript

// a basic three.js scene

var container, renderer, scene, camera, controls;
var drawingCanvas = document.createElement("canvas");
drawingCanvas.width = 100;
drawingCanvas.height = 100;
var drawContext = drawingCanvas.getContext("2d");

document.body.appendChild(drawingCanvas)

function draw( x, y, material ) {

  //drawContext.moveTo( 0, 0 );
  drawContext.strokeStyle = '#000000';
  drawContext.lineTo( x, y );
  drawContext.stroke();
  // reset drawing start position to current position.

  // need to flag the map as needing updating.
  material.map.needsUpdate = true;

}

var plane;
var raycaster = new THREE.Raycaster();
var mouse = new THREE.Vector2();

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

    // mesh
    
    drawContext.fillStyle = "#ff0000";
		drawContext.fillRect(0, 0, 100, 100);

	
    var planeGeometry = new THREE.PlaneGeometry(500, 500, 10, 10);
    var planeMaterial = new THREE.MeshLambertMaterial({
        color: 0x888888,
        map: new THREE.CanvasTexture( drawingCanvas ),
        side: THREE.DoubleSide
    });
    
    planeMaterial.map.wrapS =...