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index.html
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<!doctype html>
<html>
<head>
<style>
* {
box-sizing: border-box;
}
body {
margin: 0;
/* background-color: #000;
color: #F5F5F5; */
font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif;
font-size: 15px;
}
.body {
display: flex;
width: 100vw;
height: 100vh;
overflow: hidden;
}
header {
position: absolute;
display: flex;
top: 0;
left: 0;
width: 100vw;
height: 50px;
background-color: #FFF;
box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.08);
align-items: center;
user-select: none;
z-index: 1;
}
header .icon {
width: 50px;
height: 50px;
margin: 0 20px;
}
header nav {
display: flex;
height: 100%;
padding: 0 10px;
letter-spacing: 0.9px;
align-items: center;
text-transform: uppercase;
}
header nav span {
display: flex;
height: 30px;
padding: 10px;
border-radius: 4px;
align-items: center;
}
header nav.selected span {
background-color: #5c6bc0;
color: #FFF;
cursor: default;
}
header nav:not(.selected):hover {
cursor: pointer;
}
header nav:not(.selected):hover span {
background-color: #EEE;
}
.examples {
width: 200px;
padding-top: 50px;
background-color: #FFF;
overflow-y: auto;
}
.avatar-models {
display: flex;
flex-direction: column;
}
.a-avatar {
cursor: pointer;
}
h1, h2, h3, h4, h5, h6, p, .examples > .multibutton {
margin: 15px 0;
padding: 0 20px;
font-weight: inherit;
}
li {
/* padding-left: 20px;
padding-right: 20px; */
}
.iframe-wrapper {
position: relative;
display: flex;
margin-top: 50px;
flex: 1;
background-color: #FFF;
}
.tabs {
position: absolute;
top: 0;
left: 0;
right: 0;
}
.tabs .tab {
display: inline-flex;
margin: 5px 5px;
padding: 5px 10px;
background-color: #D8D8D8;
border-radius: 4px;
color: #000;
align-items: center;
}
.tabs .tab .text {
margin-right: 10px;
align-items: center;
}
.tabs .tab .close-x {
display: flex;
width: 20px;
height: 20px;
background-color: #ef5350;
color: #FFF;
justify-content: center;
align-items: center;
}
canvas {
width: 100% !important;
height: 100% !important;
background-color: #333;
/* background-color: #f8f8f8; */
outline: none;
}
a {
color: #AAA;
text-decoration: none;
}
a:hover {
color: #42a5f5;
}
a:active {
color: #1976d2;
}
.body > .multibutton {
position: absolute;
right: 30px;
bottom: 30px;
}
.multibutton {
display: flex;
}
.multibutton .button:not(.first) {
border-top-left-radius: 0;
border-bottom-left-radius: 0;
}
.multibutton .button:not(.last) {
border-top-right-radius: 0;
border-bottom-right-radius: 0;
}
.button {
display: inline-flex;
margin-right: 5px;
padding: 7px 14px;
border: 2px solid;
border-radius: 100px;
color: #5c6bc0;
font-size: 13px;
cursor: pointer;
outline: none
}
/* .button:not(:last-child) {
margin-right: 20px;
} */
.button:not([disabled]):hover {
background-color: #5c6bc0;
border-color: #5c6bc0;
color: #FFF;
}
.button[disabled] {
color: #b71c1c;
cursor: auto;
}
#code-header:not(.open),
#code-button:not(.open) .opened-text,
#code-button.open .closed-text
{
display: none;
}
.coming-soon {
color: #ccc;
}
.coming-soon-sub {
font-size: 10px;
display: block;
}
.header-link {
color: #666;
}
.code-header {
position: absolute;
top: 50px;
right: 0;
display: flex;
align-items: center;
width: 600px;
height: 32px;
padding: 5px;
font-size: 13px;
color: #4caf50;
background-color: #f2f3f5;
}
.code {
position: absolute;
top: 82px;
bottom: 0;
right: 0;
width: 600px;
border: 0;
border-left: 5px solid #f2f3f5;
outline: none;
}
.code:not(.open) {
display: none;
}
input[type=text] {
width: 160px;
margin: 0 20px;
padding: 7px 14px;
background-color: #f2f3f5;
border: 0;
border-radius: 8px;
font-family: inherit;
font-size: inherit;
outline: none;
}
/* account.css */
input[type=email],
input[type=text]
{
margin-right: 10px;
padding: 7px 14px;
background-color: #f2f3f5;
border: 0;
border-radius: 8px;
font-family: inherit;
font-size: inherit;
outline: none;
}
header > .login-form {
display: flex;
margin-left: auto;
}
body.logging-in .login-form,
header > .login-form:not(.phase-1) > .phase-1-content,
header > .login-form:not(.phase-2) > .phase-2-content,
header > .login-form:not(.phase-3) > .phase-3-content,
header > .login-form.phase-1 > .phaseless-content,
header > .login-form.phase-2 > .phaseless-content,
header > .login-form.phase-3 > .phaseless-content
{
display: none;
}
.login-form .phase-content {
display: flex;
align-items: center;
}
.login-form .phase-content .login-error
{
margin-right: 15px;
font-weight: 600;
}
.login-form .phase-content .user-button {
display: flex;
height: 30px;
margin-right: 10px;
padding: 3px 10px;
background-color: #f2f3f5;
border: 0;
border-radius: 8px;
align-items: center;
cursor: pointer;
}
.login-form .phase-content .user-button:hover,
.login-form .phase-content .user-button.open {
background-color: #CCC;
}
.login-form .phase-content .user-button > img {
width: 20px;
height: 20px;
margin-right: 5px;
}
.login-form .phase-content .user-button > .name {
display: flex;
height: 100%;
font-weight: 600;
align-items: center;
}
.login-form .phase-content .login-notice {
color: #4caf50;
}
.login-form .phase-content .login-error {
color: #e53935;
}
.login-form .phaseless-content {
padding: 0 30px;
}
</style>
<script src="three.js"></script>
<script src="OrbitControls.js"></script>
<script src="ammo.wasm.js"></script>
</head>
<body>
<div class=body>
<header>
<img src="logo.svg" class="icon">
<nav class=selected><span>Physics</span></nav>
<!-- <a href="https://docs.exokit.org/"><nav><span class="header-link">Documentation</span></nav></a>
<a href="https://browser.exokit.org"><nav><span class="header-link">Browser
</span></nav></a>
<a href="https://discord.gg/UgZDFZW"><nav><span class="coming-soon">Exoland
<p class="coming-soon-sub">Coming soon!</p>
</span></nav></a> -->
<form class="login-form phase-1" id=login-form>
<div class=phase-content>
<div class=login-notice id=login-notice></div>
<div class=login-error id=login-error></div>
</div>
<div class="phase-content phase-1-content">
<input type=email placeholder="[email protected]" id=login-email>
<input type=submit value="Log in" class="button highlight">
</div>
<div class="phase-content phase-2-content">
<input type=text placeholder="Verification code" id=login-verification-code>
<input type=submit value="Verify" class="button highlight">
</div>
<div class="phase-content phase-3-content">
<button class=user-button id=user-button>
<img src="exobot.png">
<span class=name id=login-email-static>[email protected]</span>
</button>
<input type=button value="Load avatar" class="button highlight" id=load-avater>
<input type=button value="Save avatar" class="button highlight" id=save-avater>
<input type=submit value="Log out" class="button highlight">
</div>
<div class="phase-content phaseless-content">
<div>Working...</div>
</div>
</form>
</header>
<div class=iframe-wrapper id=iframe-wrapper></div>
<div class=multibutton>
<a class="button first last" id="enter-xr-button" style="display: none;">Enter XR</a>
<a class="button first last" id="no-xr-button" disabled style="display: none;">No XR</a>
</div>
</div>
<script type=module>
import ModelLoader from 'https://model-loader.exokit.org/model-loader.js';
window.Module = { TOTAL_MEMORY: 100*1024*1024 };
Ammo().then(async Ammo => {
const localVector = new THREE.Vector3();
const localQuaternion = new THREE.Quaternion();
const ammoVector3 = new Ammo.btVector3();
const ammoQuaternion = new Ammo.btQuaternion();
const scene = new THREE.Scene();
const container = new THREE.Object3D();
scene.add(container);
const camera = new THREE.PerspectiveCamera(90, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.y = 1.5;
camera.position.z = 2;
// camera.rotation.y = Math.PI;
const ambientLight = new THREE.AmbientLight(0x808080);
scene.add(ambientLight);
const directionalLight = new THREE.DirectionalLight(0xFFFFFF, 3);
directionalLight.position.set(0.5, 1, 0.5);
scene.add(directionalLight);
/* const directionalLight2 = new THREE.DirectionalLight(0xFFFFFF, 1);
directionalLight2.position.set(0, -0.25, -0.25);
scene.add(directionalLight2); */
const gridHelper = new THREE.GridHelper(10, 10);
container.add(gridHelper);
const renderer = new THREE.WebGLRenderer({
// canvas: document.getElementById('canvas'),
alpha: true,
antialias: true,
});
// console.log('set size', window.innerWidth, window.innerHeight);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setPixelRatio(window.devicePixelRatio);
renderer.sortObjects = false;
renderer.physicallyCorrectLights = true;
document.getElementById('iframe-wrapper').appendChild(renderer.domElement);
const orbitControls = new THREE.OrbitControls(camera, renderer.domElement);
orbitControls.screenSpacePanning = true;
orbitControls.enableMiddleZoom = false;
orbitControls.update();
let dynamicsWorld = null;
let meshes = [];
let swordMesh = null;
const _makeConvexHullShape = object => {
const shape = new Ammo.btConvexHullShape();
let numPoints = 0;
object.updateMatrixWorld();
object.traverse(o => {
if (o.isMesh) {
const {geometry} = o;
const positions = geometry.attributes.position.array;
for (let i = 0; i < positions.length; i += 3) {
localVector.set(positions[i], positions[i+1], positions[i+2])
.applyMatrix4(o.matrixWorld);
console.log('point', localVector.x, localVector.y, localVector.z);
ammoVector3.setValue(localVector.x, localVector.y, localVector.z);
const lastOne = i >= (positions.length - 3);
shape.addPoint(ammoVector3, lastOne);
numPoints++;
}
}
});
console.log('sword points', numPoints);
return shape;
};
const boxGeometry = new THREE.BoxBufferGeometry(0.1, 0.1, 0.1);
const boxMaterial = new THREE.MeshPhongMaterial({
color: 0xFF0000,
});
const boxShape = new Ammo.btBoxShape(new Ammo.btVector3(0.1/2, 0.1/2, 0.1/2));
const _addBody = () => {
var startTransform = new Ammo.btTransform();
startTransform.setIdentity();
const originVector = new Ammo.btVector3(-0.1+Math.random()*0.2, 1.5, -0.1+Math.random()*0.2);
startTransform.setOrigin(originVector);
var mass = 1;
var localInertia = new Ammo.btVector3(0, 0, 0);
boxShape.calculateLocalInertia(mass, localInertia);
var myMotionState = new Ammo.btDefaultMotionState(startTransform);
var rbInfo = new Ammo.btRigidBodyConstructionInfo(mass, myMotionState, boxShape, localInertia);
var body = new Ammo.btRigidBody(rbInfo);
dynamicsWorld.addRigidBody(body);
// bodies.push(body);
const mesh = new THREE.Mesh(boxGeometry, boxMaterial);
mesh.frustumCulled = false;
mesh.body = body;
mesh.endTime = Date.now() + 10*1000;
mesh.objects = [startTransform, originVector, localInertia, myMotionState, rbInfo, body];
scene.add(mesh);
meshes.push(mesh);
};
const _setupPhysics = async () => {
var collisionConfiguration = new Ammo.btDefaultCollisionConfiguration();
var dispatcher = new Ammo.btCollisionDispatcher(collisionConfiguration);
var overlappingPairCache = new Ammo.btDbvtBroadphase();
var solver = new Ammo.btSequentialImpulseConstraintSolver();
dynamicsWorld = new Ammo.btDiscreteDynamicsWorld(dispatcher, overlappingPairCache, solver, collisionConfiguration);
dynamicsWorld.setGravity(new Ammo.btVector3(0, -9.8, 0));
{
var groundShape = new Ammo.btBoxShape(new Ammo.btVector3(10, 10, 10));
var groundTransform = new Ammo.btTransform();
groundTransform.setIdentity();
groundTransform.setOrigin(new Ammo.btVector3(0, -10, 0));
var mass = 0;
var localInertia = new Ammo.btVector3(0, 0, 0);
var myMotionState = new Ammo.btDefaultMotionState(groundTransform);
var rbInfo = new Ammo.btRigidBodyConstructionInfo(0, myMotionState, groundShape, localInertia);
var body = new Ammo.btRigidBody(rbInfo);
dynamicsWorld.addRigidBody(body);
}
{
const swordModel = await ModelLoader.loadModelUrl('sword.glb');
swordMesh = swordModel.scene;
const swordShape = _makeConvexHullShape(swordMesh);
var swordTransform = new Ammo.btTransform();
swordTransform.setIdentity();
swordTransform.setOrigin(new Ammo.btVector3(0, 0, 0));
var mass = 0;
var localInertia = new Ammo.btVector3(0, 0, 0);
var myMotionState = new Ammo.btDefaultMotionState(swordTransform);
var rbInfo = new Ammo.btRigidBodyConstructionInfo(0, myMotionState, swordShape, localInertia);
var body = new Ammo.btRigidBody(rbInfo);
dynamicsWorld.addRigidBody(body);
swordMesh.body = body;
scene.add(swordMesh);
}
};
await _setupPhysics();
let lastTimestamp = Date.now();
const transform = new Ammo.btTransform();
function animate(timestamp, frame, referenceSpace) {
const now = Date.now();
const timeDiff = now - lastTimestamp;
const f = (now%3000)/3000;
swordMesh.position.x = Math.sin(f*Math.PI*2)*0.5;
swordMesh.position.y = 0.1;
swordMesh.position.z = -0.5;
swordMesh.quaternion.setFromAxisAngle(localVector.set(1, 0, 0), Math.PI/2 + Math.sin(f * Math.PI*2 * 4)*Math.PI/8)
.premultiply(localQuaternion.setFromAxisAngle(localVector.set(0, 0, 1), f * Math.PI*2));
// swordMesh.quaternion.setFromAxisAngle(localVector.set(1, 0, 0), Math.PI/2);
const swordTransform = swordMesh.body.getWorldTransform(transform);
ammoVector3.setValue(swordMesh.position.x, swordMesh.position.y, swordMesh.position.z);
swordTransform.setOrigin(ammoVector3);
ammoQuaternion.setValue(swordMesh.quaternion.x, swordMesh.quaternion.y, swordMesh.quaternion.z, swordMesh.quaternion.w);
swordTransform.setRotation(ammoQuaternion);
dynamicsWorld.stepSimulation(timeDiff/1000, 2);
meshes = meshes.filter(mesh => {
if (now < mesh.endTime) {
mesh.body.getMotionState().getWorldTransform(transform);
const origin = transform.getOrigin();
mesh.position.set(origin.x(), origin.y(), origin.z());
const rotation = transform.getRotation();
mesh.quaternion.set(rotation.x(), rotation.y(), rotation.z(), rotation.w());
return true;
} else {
scene.remove(mesh);
dynamicsWorld.removeRigidBody(mesh.body);
for (let i = mesh.objects.length - 1; i >= 0; i--) {
Ammo.destroy(mesh.objects[i]);
}
return false;
}
});
renderer.render(scene, camera);
lastTimestamp = now;
}
renderer.setAnimationLoop(animate);
setInterval(() => {
_addBody();
}, 100);
});
</script>
</body>
</html>