forked from lo-th/Oimo.js
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test_basic.html
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test_basic.html
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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width"><link rel="icon" href="data:">
<title>Oimo.js Basic</title>
<link rel="shortcut icon" href="./assets/img/favicon.ico">
<link rel="stylesheet" href="css/demo.css">
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"three": "https://code4fukui.github.io/three.js/build/three.module.js",
"three/addons/": "https://code4fukui.github.io/three.js/examples/jsm/"
}
}
</script>
</head>
<body>
<canvas id="canvas"></canvas>
<div id='interface'>
<input type="button" value="sphere" id="btn1" x-onClick=populate(1)>
<input type="button" value="box" id="btn2" x-onClick=populate(2)>
<input type="button" value="cylinder" id="btn3" x-onClick=populate(3)>
<input type="button" value="mix" id="btn4" x-onClick=populate(4)>
<input type="number" name="quantity" min="10" max="2000" value="400" id='MaxNumber'>
<input type="submit" id="btn" x-onClick=populate()>
<input type="number" name="gravity" min="-20" max="20" value="-.5" id='gravity' x-onChange=gravity() >
</div>
<div id='info'></div>
<img style="position: absolute; top: 0; right: 0; border: 0;" src="assets/img/ribbon.png"></a>
<a id="ribbon" href="https://github.com/lo-th/Oimo.js"></a>
<script type="module">
import * as THREE from "three";
import { OrbitControls } from "three/addons/controls/OrbitControls.js"; // for PC
import { demolink } from "./js/demo.js";
import * as OIMO from "../build/oimo.module.js";
//import * as OIMO from "../src/Oimo.js";
import { ARButton } from "three/addons/webxr/ARButton.js";
demolink();
// three var
var camera, scene, light, renderer, canvas, controls;
var meshs = [];
var grounds = [];
var isMobile = false;
var antialias = true;
var geos = {};
var mats = {};
//oimo var
var world = null;
var bodys = [];
var fps = [0,0,0,0];
var ToRad = 0.0174532925199432957;
var type = 1;
var infos;
init();
renderer.setAnimationLoop(loop);
function init() {
//var n = navigator.userAgent;
//if (n.match(/Android/i) || n.match(/webOS/i) || n.match(/iPhone/i) || n.match(/iPad/i) || n.match(/iPod/i) || n.match(/BlackBerry/i) || n.match(/Windows Phone/i)){ isMobile = true; antialias = false; document.getElementById("MaxNumber").value = 200; }
infos = document.getElementById("info");
canvas = document.getElementById("canvas");
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 5000 );
camera.position.set( 0, 160, 400 );
controls = new OrbitControls( camera, canvas );
controls.target.set(0, 20, 0);
controls.update();
scene = new THREE.Scene();
renderer = new THREE.WebGLRenderer({ canvas, precision: "mediump", antialias, alpha: true });
renderer.xr.enabled = true;
document.body.appendChild(ARButton.createButton(renderer));
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize( window.innerWidth, window.innerHeight );
var materialType = 'MeshBasicMaterial';
if(!isMobile){
scene.add( new THREE.AmbientLight( 0x3D4143 ) );
light = new THREE.DirectionalLight( 0xffffff , 1.4);
light.position.set( 300, 1000, 500 );
light.target.position.set( 0, 0, 0 );
light.castShadow = true;
var d = 300;
light.shadow.camera = new THREE.OrthographicCamera( -d, d, d, -d, 500, 1600 );
light.shadow.bias = 0.0001;
light.shadow.mapSize.width = light.shadow.mapSize.height = 1024;
scene.add( light );
materialType = 'MeshPhongMaterial';
renderer.shadowMap.enabled = true;
renderer.shadowMap.type = THREE.PCFShadowMap;//THREE.BasicShadowMap;
}
// background
/*
var buffgeoBack = new THREE.BufferGeometry();
buffgeoBack.fromGeometry( new THREE.IcosahedronGeometry(3000,2) );
var back = new THREE.Mesh( buffgeoBack, new THREE.MeshBasicMaterial( { map:gradTexture([[0.75,0.6,0.4,0.25], ['#1B1D1E','#3D4143','#72797D', '#b0babf']]), side:THREE.BackSide, depthWrite: false, fog:false } ));
*/
var buffgeoBack = new THREE.IcosahedronGeometry(3000,2);
var back = new THREE.Mesh( buffgeoBack, new THREE.MeshBasicMaterial( { map:gradTexture([[0.75,0.6,0.4,0.25], ['#1B1D1E','#3D4143','#72797D', '#b0babf']]), side:THREE.BackSide, depthWrite: false, fog:false } ));
//back.geometry.applyMatrix(new THREE.Matrix4().makeRotationZ(15*ToRad));
//scene.add( back );
// geometrys
/*
geos['sphere'] = new THREE.BufferGeometry().fromGeometry( new THREE.SphereGeometry(1,16,10));
geos['box'] = new THREE.BufferGeometry().fromGeometry( new THREE.BoxGeometry(1,1,1));
geos['cylinder'] = new THREE.BufferGeometry().fromGeometry(new THREE.CylinderGeometry(1,1,1));
*/
geos['sphere'] = new THREE.SphereGeometry(1,16,10);
geos['box'] = new THREE.BoxGeometry(1,1,1);
geos['cylinder'] = new THREE.CylinderGeometry(1,1,1);
// materials
mats['sph'] = new THREE[materialType]( {shininess: 10, map: basicTexture(0), name:'sph' } );
mats['box'] = new THREE[materialType]( {shininess: 10, map: basicTexture(2), name:'box' } );
mats['cyl'] = new THREE[materialType]( {shininess: 10, map: basicTexture(4), name:'cyl' } );
mats['ssph'] = new THREE[materialType]( {shininess: 10, map: basicTexture(1), name:'ssph' } );
mats['sbox'] = new THREE[materialType]( {shininess: 10, map: basicTexture(3), name:'sbox' } );
mats['scyl'] = new THREE[materialType]( {shininess: 10, map: basicTexture(5), name:'scyl' } );
mats['ground'] = new THREE[materialType]( {shininess: 10, color:0x3D4143, transparent:true, opacity:1.0 } );
// events
window.addEventListener( 'resize', onWindowResize, false );
// physics
initOimoPhysics();
}
function loop() {
updateOimoPhysics();
renderer.render( scene, camera );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function addStaticBox(size, position, rotation) {
var mesh = new THREE.Mesh( geos.box, mats.ground );
mesh.scale.set( size[0], size[1], size[2] );
mesh.position.set( position[0], position[1], position[2] );
mesh.rotation.set( rotation[0]*ToRad, rotation[1]*ToRad, rotation[2]*ToRad );
scene.add( mesh );
grounds.push(mesh);
mesh.castShadow = true;
mesh.receiveShadow = true;
}
function clearMesh(){
var i=meshs.length;
while (i--) scene.remove(meshs[ i ]);
i = grounds.length;
while (i--) scene.remove(grounds[ i ]);
grounds = [];
meshs = [];
}
//----------------------------------
// OIMO PHYSICS
//----------------------------------
function initOimoPhysics(){
// world setting:( TimeStep, BroadPhaseType, Iterations )
// BroadPhaseType can be
// 1 : BruteForce
// 2 : Sweep and prune , the default
// 3 : dynamic bounding volume tree
world = new OIMO.World({info:true, worldscale:100} );
populate(1);
//setInterval(updateOimoPhysics, 1000/60);
}
function populate(n) {
var max = document.getElementById("MaxNumber").value;
if(n===1) type = 1
else if(n===2) type = 2;
else if(n===3) type = 3;
else if(n===4) type = 4;
// reset old
clearMesh();
world.clear();
bodys=[];
const offy = -20;
const gw = 100; // 400
//add ground
var ground0 = world.add({size:[40, 40, gw - 10], pos:[-180,20 + offy,0], world:world});
var ground1 = world.add({size:[40, 40, gw - 10], pos:[180,20 + offy,0], world:world});
var ground2 = world.add({size:[400, 80, gw], pos:[0,-40 + offy,0], world:world});
addStaticBox([40, 40, gw - 10], [-180,20 + offy,0], [0,0,0]);
addStaticBox([40, 40, gw - 10], [180,20 + offy,0], [0,0,0]);
addStaticBox([400, 80, gw], [0,-40 + offy,0], [0,0,0]);
//add object
var x, y, z, w, h, d;
var i = max;
while (i--){
let t;
if(type===4) t = Math.floor(Math.random()*3)+1;
else t = type;
x = -100 + Math.random()*200;
z = -100 + Math.random()*200;
y = 100 + Math.random()*1000;
w = 10 + Math.random()*10;
h = 10 + Math.random()*10;
d = 10 + Math.random()*10;
if(t===1){
bodys[i] = world.add({type:'sphere', size:[w*0.5], pos:[x,y,z], move:true, world:world});
meshs[i] = new THREE.Mesh( geos.sphere, mats.sph );
meshs[i].scale.set( w*0.5, w*0.5, w*0.5 );
} else if(t===2){
bodys[i] = world.add({type:'box', size:[w,h,d], pos:[x,y,z], move:true, world:world});
meshs[i] = new THREE.Mesh( geos.box, mats.box );
meshs[i].scale.set( w, h, d );
} else if(t===3){
bodys[i] = world.add({type:'cylinder', size:[w*0.5,h], pos:[x,y,z], move:true, world:world});
meshs[i] = new THREE.Mesh( geos.cylinder, mats.cyl );
meshs[i].scale.set( w*0.5, h, w*0.5 );
}
meshs[i].castShadow = true;
meshs[i].receiveShadow = true;
scene.add( meshs[i] );
}
}
function updateOimoPhysics() {
if(world==null) return;
world.step();
var x, y, z, mesh, body, i = bodys.length;
while (i--){
body = bodys[i];
mesh = meshs[i];
if(!body.sleeping){
mesh.position.copy(body.getPosition());
mesh.quaternion.copy(body.getQuaternion());
// change material
if(mesh.material.name === 'sbox') mesh.material = mats.box;
if(mesh.material.name === 'ssph') mesh.material = mats.sph;
if(mesh.material.name === 'scyl') mesh.material = mats.cyl;
// reset position
if(mesh.position.y<-100){
x = -100 + Math.random()*200;
z = -100 + Math.random()*200;
y = 100 + Math.random()*1000;
body.resetPosition(x,y,z);
}
} else {
if(mesh.material.name === 'box') mesh.material = mats.sbox;
if(mesh.material.name === 'sph') mesh.material = mats.ssph;
if(mesh.material.name === 'cyl') mesh.material = mats.scyl;
}
}
infos.innerHTML = world.getInfo();
}
function gravity(g){
const nG = document.getElementById("gravity").value
world.gravity = new OIMO.Vec3(0, nG, 0);
}
//----------------------------------
// TEXTURES
//----------------------------------
function gradTexture(color) {
var c = document.createElement("canvas");
var ct = c.getContext("2d");
var size = 1024;
c.width = 16; c.height = size;
var gradient = ct.createLinearGradient(0,0,0,size);
var i = color[0].length;
while(i--){ gradient.addColorStop(color[0][i],color[1][i]); }
ct.fillStyle = gradient;
ct.fillRect(0,0,16,size);
var texture = new THREE.Texture(c);
texture.needsUpdate = true;
return texture;
}
function basicTexture(n){
var canvas = document.createElement( 'canvas' );
canvas.width = canvas.height = 64;
var ctx = canvas.getContext( '2d' );
var color;
if(n===0) color = "#3884AA";// sphere58AA80
if(n===1) color = "#61686B";// sphere sleep
if(n===2) color = "#AA6538";// box
if(n===3) color = "#61686B";// box sleep
if(n===4) color = "#AAAA38";// cyl
if(n===5) color = "#61686B";// cyl sleep
ctx.fillStyle = color;
ctx.fillRect(0, 0, 64, 64);
ctx.fillStyle = "rgba(0,0,0,0.2)";
ctx.fillRect(0, 0, 32, 32);
ctx.fillRect(32, 32, 32, 32);
var tx = new THREE.Texture(canvas);
tx.needsUpdate = true;
return tx;
}
btn1.onclick = () => populate(1);
btn2.onclick = () => populate(2);
btn3.onclick = () => populate(3);
btn4.onclick = () => populate(4);
btn.onclick = () => populate();
document.getElementById("gravity").onchange = () => gravity();
gravity();
</script>
</body>
</html>