<script src="https://threejs.org/build/three.min.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>
<script src="https://threejs.org/examples/js/loaders/OBJLoader.js"></script>
body{
overflow: hidden;
margin: 0;
}
console.clear();
var edges;
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera(
60,
window.innerWidth / window.innerHeight,
1,
1000
);
camera.position.set(0, 0, 25);
var renderer = new THREE.WebGLRenderer({antialias: true});
renderer.setClearColor(0x404040);
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
var controls = new THREE.OrbitControls(camera, renderer.domElement);
var loader = new THREE.OBJLoader();
loader.load("https://threejs.org/examples/models/obj/emerald.obj", function(object) {
object.traverse(function(child) {
if (child instanceof THREE.Mesh) {
child.material = new THREE.MeshBasicMaterial({color: 0x999999});
//scene.add(child);
var edgesGeom = new THREE.EdgesGeometry(child.geometry, 5);
edges = new THREE.LineSegments(edgesGeom, new THREE.LineDashedMaterial({color: 0x999999}));
edges.computeLineDistances();
console.log(edges);
edges.material.dashSize = 0;
edges.material.gapSize = edges.geometry.attributes.lineDistance.array[edges.geometry.attributes.lineDistance.count - 1];
scene.add(edges);
child.scale.setScalar(0.999);
child.visible = false;
edges.add(child);
}
});
});
render();
function render() {
requestAnimationFrame(render);
if (edges){
edges.material.dashSize += 1;
if (edges.material.dashSize >= edges.material.gapSize){
edges.material.color.set(0xffffff);
edges.children[0].visible = true;
}
edges.rotation.y += 0.01;
}
renderer.render(scene, camera);
}
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This Pen doesn't use any external JavaScript resources.