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piecesBriques.html
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<!DOCTYPE HTML>
<html lang="fr">
<head>
<title>Helper Pieces</title>
<meta charset="UTF-8">
<link rel="icon" type="image/png" href="../images/icon.png" />
<style>
body {
margin: 0px;
padding: 0px;
background-color: #777777;
}
#canvas {
display : block;
position:absolute;
left:10px;
top:10px;
right:434px;
bottom:10px;
background-color: #000000;
}
#info {
display : block;
position : absolute;
width : 600px;
top : 10px;
right : 10px;
bottom : 10px;
background-color: #EEEEEE;
border : 2px solid white;
padding : 5px;
font-size:14pt;
font-family:times new roman;
font-weight:bold;
font-style:italic;
color:black;
}
input {
background-color: #FFFFFF;
border: none;
width: 260px;
color:black;
font-size:14pt;
font-family:times new roman;
font-weight:bold;
}
</style>
</head>
<body>
<div id="canvas"></div>
<div id="info">
<table>
<tr>
<td>Click position:</td><td><input type="text" id="positions" value="(0;0)" class="info" /></td>
</tr>
<tr><td>Clicked object:</td><td><input type="text" id="obj_name" value="vide" class="info" /></td></tr>
<tr><td>Action:</td><td><input type="text" id="action" value="0" class="info" /></td></tr>
<tr><td>Object1:</td><td><select id='obj1'></select></td></tr>
<tr><td>Object1.position</td><td>.set(<input type="text" id="obj1_tx" value="0" style="width:30px;"/>,
<input type="text" id="obj1_ty" value="0" style="width:30px;"/>,
<input type="text" id="obj1_tz" value="0" style="width:30px;"/>)</td></tr>
<tr><td>Object1.rotation</td><td>.set(
Math.rad(<input type="text" id="obj1_rx" value="0" style="width:30px;"/>),
Math.rad(<input type="text" id="obj1_ry" value="0" style="width:30px;"/>),
Math.rad(<input type="text" id="obj1_rz" value="0" style="width:30px;"/>))</td></tr>
<tr><td>Object2:</td><td><select id='obj2'></select></td></tr>
<tr><td>Object2.position</td><td>.set(<input type="text" id="obj2_tx" value="0" style="width:30px;"/>,
<input type="text" id="obj2_ty" value="0" style="width:30px;"/>,
<input type="text" id="obj2_tz" value="0" style="width:30px;"/>)</td></tr>
<tr><td>Object2.rotation</td><td>.set(
Math.rad(<input type="text" id="obj2_rx" value="0" style="width:30px;"/>),
Math.rad(<input type="text" id="obj2_ry" value="0" style="width:30px;"/>),
Math.rad(<input type="text" id="obj2_rz" value="0" style="width:30px;"/>))</td></tr>
<tr><td><a href="../models/pieces_lego">Download</a></td></tr>
</table>
</div>
<script type="module">
import * as THREE from '../three.js-dev/build/three.module.js';
import { OrbitControls } from '../three.js-dev/examples/jsm/controls/OrbitControls.js';
import { ColladaLoader } from '../three.js-dev/examples/jsm/loaders/ColladaLoader.js';
var tabObjects=[ ['brique1x1',null],['brique2x1',null],['brique4x1',null],['brique6x1',null],
['plaque1x1',null],['plaque2x1',null],['plaque3x1',null],['plaque2x2',null],['plaque3x2',null],
['toit1x2',null],['toit2x2',null],['toit3x2',null],['toit4x2',null],['toitAngle2x2',null],
['porte',null],['fenetre',null],['fleur',null]];
var clickInfo=[];
var container = document.getElementById("canvas");
// variables utilisées par les deux fonctions
var renderer,camera,scene,controls;
var clock = new THREE.Clock();
var SCREEN_WIDTH,SCREEN_HEIGHT,SCREEN_LEFT,SCREEN_TOP;
const raycaster = new THREE.Raycaster();
function onClickEvent(event) {
clickInfo.userHasClicked = true;
clickInfo.mouse = new THREE.Vector2();
clickInfo.mouse.x = ((event.clientX-SCREEN_LEFT) / SCREEN_WIDTH ) * 2 - 1;
clickInfo.mouse.y = -((event.clientY-SCREEN_TOP) / SCREEN_HEIGHT ) * 2 + 1;
}
function onWindowResize(){
let w = container.offsetWidth;
let h = container.offsetHeight;
SCREEN_WIDTH = container.scrollWidth;
SCREEN_HEIGHT = container.scrollHeight;
SCREEN_LEFT = container.offsetLeft - container.scrollLeft + container.clientLeft;
SCREEN_TOP = container.offsetTop - container.scrollTop + container.clientTop;
camera.aspect = w / h;
camera.updateProjectionMatrix();
renderer.setSize(w, h);
}
function start() {
// initialisation du moteur de rendu
renderer = new THREE.WebGLRenderer();
// création d'un canvas dans un div
renderer.setClearColor(0x222222,1);
window.addEventListener('resize', onWindowResize, false);
container.appendChild(renderer.domElement);
container.addEventListener('click',onClickEvent, false);
let w = container.offsetWidth;
let h = container.offsetHeight;
SCREEN_WIDTH = container.scrollWidth;
SCREEN_HEIGHT = container.scrollHeight;
SCREEN_LEFT = container.offsetLeft - container.scrollLeft + container.clientLeft;
SCREEN_TOP = container.offsetTop - container.scrollTop + container.clientTop;
renderer.setSize(w, h);
// création d'une caméra perspective(angle d'ouverture, rapport largeur/hauteur, near, far)
camera = new THREE.PerspectiveCamera(30, w/h, 1, 60000);
camera.position.set(30,100,120);
camera.up.set(0,0,1);
controls = new OrbitControls(camera,renderer.domElement);
controls.target.set(0,0,0);
controls.minDistance = 10/2.54;
controls.maxDistance = 1000/2.54;
controls.update();
// création de la scène
scene = new THREE.Scene();
scene.add(camera);
clock.start();
var loader = new ColladaLoader();
loader.load( './models/pieces_lego.dae',onLoaded, onProgress, onError );
// sources de lumière (une ambiante et une ponctuelle placée en [-10;100;200])
let ambientLight = new THREE.AmbientLight(0x202020);
scene.add(ambientLight);
let pointLight = new THREE.PointLight(0xffffff,1);
pointLight.position.set(-10, 100, 200);
scene.add(pointLight);
}
function animate(){
// rendu de la scène
controls.update();
renderer.render(scene, camera);
// détection du picking
if (clickInfo.userHasClicked) {
document.getElementById('positions').value="("+parseInt((clickInfo.mouse.x+1)*SCREEN_WIDTH) + ';' + parseInt((1-clickInfo.mouse.y)*SCREEN_HEIGHT)+")";
clickInfo.userHasClicked=false;
raycaster.setFromCamera(clickInfo.mouse,camera);
let intersections = raycaster.intersectObjects(scene.children,true);
let obj=null;
if (intersections.length>0) {
obj = intersections[0].object;
while (obj!=null && obj.name=="") {
obj=obj.parent;
}
}
if (obj) {
document.getElementById('obj_name').value=obj.name+" uv=("+Number.parseFloat(intersections[0].uv.x).toFixed(2)+","+Number.parseFloat(intersections[0].uv.y).toFixed(2)+")";
console.log(obj);
} else {
document.getElementById('obj_name').value="vide";
}
}
// lancement du frame suivant
requestAnimationFrame(animate);
}
function onLoaded(collada) {
let objects = collada.scene;
let repere = objects.getObjectByName('repere');
repere.scale.set(1,1,1);
repere.rotation.set(0,0,0);
scene.add(repere);
let parent1 = new THREE.Object3D();
parent1.name="parent1";
repere.add(parent1);
let parent2 = new THREE.Object3D();
parent2.name="parent2";
repere.add(parent2);
let select1 = document.getElementById('obj1');
let select2 = document.getElementById('obj2');
let i=0;
tabObjects.forEach(function(item) {
console.log("load: "+item[0]);
item[1] = objects.getObjectByName(item[0]);
item[1].scale.set(1,1,1);
item[1].position.set(0,0,0);
item[1].rotation.set(0,0,0);
item[2] = item[1].clone();
let opt = document.createElement('option');
opt.value=i;
opt.innerHTML = item[0];
select1.appendChild(opt);
opt = document.createElement('option');
opt.value=i;
opt.innerHTML = item[0];
select2.appendChild(opt);
i++;
});
select1.onchange = function(){
console.log(this.value);
let obj = tabObjects[this.value][1];
let old = repere.getObjectByName("parent1");
if (old) { console.log("parent1 found: "+old.name); repere.remove(old); }
let parent1 = new THREE.Object3D();
parent1.name="parent1";
repere.add(parent1);
parent1.add(obj);
document.getElementById('obj1_tx').value = obj.position.x;
document.getElementById('obj1_ty').value = obj.position.y;
document.getElementById('obj1_tz').value = obj.position.z;
document.getElementById('obj1_rx').value = THREE.Math.radToDeg(obj.rotation.x);
document.getElementById('obj1_ry').value = THREE.Math.radToDeg(obj.rotation.y);
document.getElementById('obj1_rz').value = THREE.Math.radToDeg(obj.rotation.z);
};
select2.onchange = function(){
let obj = tabObjects[this.value][1];
let old = repere.getObjectByName("parent2");
if (old) { repere.remove(old); }
let parent2 = new THREE.Object3D();
parent2.name="parent2";
repere.add(parent2);
parent2.add(obj);
document.getElementById('obj2_tx').value = obj.position.x;
document.getElementById('obj2_ty').value = obj.position.y;
document.getElementById('obj2_tz').value = obj.position.z;
document.getElementById('obj2_rx').value = THREE.Math.radToDeg(obj.rotation.x);
document.getElementById('obj2_ry').value = THREE.Math.radToDeg(obj.rotation.y);
document.getElementById('obj2_rz').value = THREE.Math.radToDeg(obj.rotation.z);
};
select1.value=0;
select2.value=1;
parent1.add(tabObjects[0][1]);
parent2.add(tabObjects[1][1]);
document.getElementById('obj1_tx').onchange = function() {
tabObjects[select1.value][1].position.x = parseFloat(this.value);
}
document.getElementById('obj1_ty').onchange = function() {
tabObjects[select1.value][1].position.y = parseFloat(this.value);
}
document.getElementById('obj1_tz').onchange = function() {
tabObjects[select1.value][1].position.z = parseFloat(this.value);
}
document.getElementById('obj1_rx').onchange = function() {
tabObjects[select1.value][1].rotation.x = THREE.Math.degToRad(parseFloat(this.value));
}
document.getElementById('obj1_ry').onchange = function() {
tabObjects[select1.value][1].rotation.y = THREE.Math.degToRad(parseFloat(this.value));
}
document.getElementById('obj1_rz').onchange = function() {
tabObjects[select1.value][1].rotation.z = THREE.Math.degToRad(parseFloat(this.value));
}
document.getElementById('obj2_tx').onchange = function() {
tabObjects[select2.value][1].position.x = parseFloat(this.value);
}
document.getElementById('obj2_ty').onchange = function() {
tabObjects[select2.value][1].position.y = parseFloat(this.value);
}
document.getElementById('obj2_tz').onchange = function() {
tabObjects[select2.value][1].position.z = parseFloat(this.value);
}
document.getElementById('obj2_rx').onchange = function() {
tabObjects[select2.value][1].rotation.x = THREE.Math.degToRad(parseFloat(this.value));
}
document.getElementById('obj2_ry').onchange = function() {
tabObjects[select2.value][1].rotation.y = THREE.Math.degToRad(parseFloat(this.value));
}
document.getElementById('obj2_rz').onchange = function() {
tabObjects[select2.value][1].rotation.z = THREE.Math.degToRad(parseFloat(this.value));
}
let dt = clock.getElapsedTime();
document.getElementById('action').value ="Load completed after "+dt.toFixed(2)+" s.";
}
function onProgress(data) {
if ( data.lengthComputable ) {
var percentComplete = data.loaded / data.total * 100;
document.getElementById('action').value = "Loading:" + percentComplete.toFixed(1) + '%';
}
};
function onError(data) {
console.error(data);
};
/******************************************************************************/
/* PROGRAMME PRINCIPAL ********************************************************/
start();
animate();
</script>
</body>
</html>