Texture Map

r83 version

by jmcjc5u

HTML

<div id="info">Billboard Forest
<script src="https://threejs.org/build/three.min.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>

CSS

#info {
  position: absolute;
  top: 1%;
  width: 100%;
  padding: 10px;
  text-align: center;
  color: #ffee12;
}

body {
  overflow: hidden;
}

JavaScript

var renderer, scene, camera, controls;

init();
animate();

function init() {

	scene = new THREE.Scene();
  camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 3000);
 	camera.position.z = 200;
  camera.position.y = 50;
  
  renderer = new THREE.WebGLRenderer();
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.setClearColor(0x888888);

  document.body.appendChild(renderer.domElement);
  
  controls = new THREE.OrbitControls(camera, renderer.domElement);
  controls.autoRotate = true;
  
  /////////////////////////////////////////////////////////////////////
	gridXZ = new THREE.GridHelper (400,40,'red','white')
  scene.add (gridXZ)
  
	let loader = new THREE.TextureLoader();
  loader.crossOrigin = '';
  texture = loader.load('https://i.imgur.com/omX5Drl.png');

  var texMat = new THREE.MeshBasicMaterial({
    map: texture,
    //transparent: true
    alphaTest: 0.5
  });

	tree = new THREE.Mesh(new THREE.PlaneGeometry(40, 80), texMat);
	trees = []
  for (let i = 0; i < 10; i++) {
  	let tt = tree.clone();
    tt.position.set ((-1+Math.random()*2)*180, 40, (-1+Math.random()*2)*180)
    trees.push (tt)
    scene.add (tt)
  }
}

function animate() {
 
 	//controls.update();
  let cameraRoot = camera.position.clone();
  cameraRoot.y = 0;
	trees.forEach (function(t) {t.lookAt (cameraRoot)})
  
	requestAnimationFrame(animate);
  renderer.render(scene, camera);

}