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brain.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Brain OBJloader</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<link rel="stylesheet" href="style.css">
</head>
<body>
<div class="outer center">
<div id="info">
<a href="/three-js/">Heart</a>
<a href="/three-js/moon.html">Moon</a>
<a href="/three-js/brain.html">Brain</a>
</div>
<canvas id="star-canvas" height="100%" width="100%"></canvas>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/3.3.1/gsap.min.js"></script>
<script src="https://threejs.org/build/three.min.js"></script>
<script src="https://threejs.org/examples/js/loaders/OBJLoader.js"></script>
<script src="background.js"></script>
<script>
// clearing the console (just a CodePen thing)
console.clear();
// there are 3 parts to this
//
// Scene: Setups and manages threejs rendering
// loadModel: Loads the 3d obj file
// setupAnimation: Creates all the GSAP
// animtions and scroll triggers
//
// first we call loadModel, once complete we call
// setupAnimation which creates a new Scene
class Scene {
constructor(model) {
this.views = [
{ bottom: 0, height: 1 },
{ bottom: 0, height: 0 }
];
this.renderer = new THREE.WebGLRenderer({
antialias: true,
alpha: true
});
this.renderer.setSize(window.innerWidth, window.innerHeight);
this.renderer.shadowMap.enabled = true;
this.renderer.shadowMap.type = THREE.PCFSoftShadowMap;
this.renderer.setPixelRatio(window.devicePixelRatio);
document.body.appendChild(this.renderer.domElement);
// scene
this.scene = new THREE.Scene();
for (var ii = 0; ii < this.views.length; ++ii) {
var view = this.views[ii];
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 2000);
camera.position.fromArray([0, 0, 180]);
camera.layers.disableAll();
camera.layers.enable(ii);
view.camera = camera;
camera.lookAt(new THREE.Vector3(0, 5, 0));
}
//light
this.light = new THREE.PointLight(0xffffff, 0.75);
this.light.position.z = 150;
this.light.position.x = 70;
this.light.position.y = -20;
this.scene.add(this.light);
this.softLight = new THREE.AmbientLight(0xffffff, 1.5);
this.scene.add(this.softLight)
// group
this.onResize();
window.addEventListener('resize', this.onResize, false);
var edges = new THREE.EdgesGeometry(model.children[0].geometry);
let line = new THREE.LineSegments(edges);
line.material.depthTest = false;
line.material.opacity = 0.5;
line.material.transparent = true;
line.position.x = 0.5;
line.position.z = -1;
line.position.y = 0.2;
this.modelGroup = new THREE.Group();
model.layers.set(0);
line.layers.set(1);
this.modelGroup.add(model);
this.modelGroup.add(line);
this.scene.add(this.modelGroup);
}
render = () => {
for (var ii = 0; ii < this.views.length; ++ii) {
var view = this.views[ii];
var camera = view.camera;
var bottom = Math.floor(this.h * view.bottom);
var height = Math.floor(this.h * view.height);
this.renderer.setViewport(0, 0, this.w, this.h);
this.renderer.setScissor(0, bottom, this.w, height);
this.renderer.setScissorTest(true);
camera.aspect = this.w / this.h;
this.renderer.render(this.scene, camera);
}
}
onResize = () => {
this.w = window.innerWidth;
this.h = window.innerHeight;
for (var ii = 0; ii < this.views.length; ++ii) {
var view = this.views[ii];
var camera = view.camera;
camera.aspect = this.w / this.h;
let camZ = (screen.width - (this.w * 1)) / 3;
camera.position.z = camZ < 180 ? 180 : camZ;
camera.updateProjectionMatrix();
}
this.renderer.setSize(this.w, this.h);
this.render();
}
}
function loadModel() {
// gsap.registerPlugin(ScrollTrigger);
// gsap.registerPlugin(DrawSVGPlugin);
// gsap.set('#line-length', { drawSVG: 0 })
// gsap.set('#line-wingspan', { drawSVG: 0 })
// gsap.set('#circle-phalange', { drawSVG: 0 })
var object;
var mat
function onModelLoaded() {
object.traverse(function (child) {
mat = new THREE.MeshPhongMaterial({
color: 0x0045e0, specular: 0xffffff,
shininess: 1, flatShading: true
});
child.material = mat;
});
setupAnimation(object);
}
var manager = new THREE.LoadingManager(onModelLoaded);
manager.onProgress = (item, loaded, total) => console.log(item, loaded, total);
var loader = new THREE.OBJLoader(manager);
loader.load('brain/Brain.obj', function (obj) { object = obj; });
}
function setupAnimation(model) {
let scene = new Scene(model);
let plane = scene.modelGroup;
scene.render();
// let tau = Math.PI * 2;
// gsap.set(plane.rotation, { y: tau * -.25 });
console.log(plane);
// plane.scale.x = 1.5;
// plane.scale.y = 1.5;
// plane.scale.z = 1.5;
gsap.set(plane.position, { x: 0, y: -42, z: -450 });
// gsap.set(plane.rotation, { x: 0.099, y: 0, z: -0.38 });
scene.render();
var deg = 0.25
function animate() {
requestAnimationFrame(animate);
// plane.rotation.x += 0.01;
plane.rotation.y += 0.004;
scene.render();
}
// TweenLite.defaultEase = Linear.easeNone;
// var dur = 1.5;
// var tl = new TimelineMax({ repeat: -1, yoyo: true, repeatDelay: 0.5 });
// tl.from(plane.children[0].material.color, dur, { r: 1, g: 0, b: 0 });
// tl.to(plane.children[0].material.color, dur, { r: 200, g: 0, b: 0 }, 0);
animate();
}
loadModel();
</script>
</body>
</html>