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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title></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="lib\bootstrap-4.1.2-dist\css\bootstrap.min.css">
<style>
html,
body {
width: 100%;
height: 100%;
overflow: hidden;
}
body {
color: #000;
background-color: #fff;
margin: 0px;
overflow: hidden;
}
a {
text-decoration: none;
}
#tools {
position: absolute;
top: 0px;
width: 100%;
padding: 5px;
box-sizing: border-box;
display: none;
}
#tools a {
color: blue;
}
#tools>* {
margin: 0.2em 0px;
}
#version {
position: absolute;
bottom: 0.3em;
right: 0.3em;
color: rgb(87, 87, 87);
font-size: 0.7em;
}
#loading-container {
position: absolute;
top: 50%;
left: 47%;
text-align: center;
}
/* https://loading.io/css/ */
.lds-ellipsis {
display: inline-block;
position: relative;
width: 64px;
height: 64px;
}
.lds-ellipsis div {
position: absolute;
/* top: 27px; */
width: 11px;
height: 11px;
border-radius: 50%;
background: rgb(0, 0, 0);
animation-timing-function: cubic-bezier(0, 1, 1, 0);
}
.lds-ellipsis div:nth-child(1) {
left: 6px;
animation: lds-ellipsis1 0.6s infinite;
}
.lds-ellipsis div:nth-child(2) {
left: 6px;
animation: lds-ellipsis2 0.6s infinite;
}
.lds-ellipsis div:nth-child(3) {
left: 26px;
animation: lds-ellipsis2 0.6s infinite;
}
.lds-ellipsis div:nth-child(4) {
left: 45px;
animation: lds-ellipsis3 0.6s infinite;
}
@keyframes lds-ellipsis1 {
0% {
transform: scale(0);
}
100% {
transform: scale(1);
}
}
@keyframes lds-ellipsis3 {
0% {
transform: scale(1);
}
100% {
transform: scale(0);
}
}
@keyframes lds-ellipsis2 {
0% {
transform: translate(0, 0);
}
100% {
transform: translate(19px, 0);
}
}
</style>
</head>
<body>
<div id="loading-container">
Läser in modell <br>
<div class="lds-ellipsis">
<div></div>
<div></div>
<div></div>
<div></div>
</div>
</div>
<div id="tools">
<!-- <a href="#" onclick="initCamera();">init camera</a> -->
<button type="button" id="initialView" class="btn btn-light btn-sm disabled" onclick="initView();">Initial
vy</button>
<br>
<div class="btn-group btn-group-toggle" data-toggle="buttons">
<label class="btn btn-light btn-sm btn-secondary active disabled">
<input type="radio" name="options" id="cameraOptionPerspective" autocomplete="off" checked
onchange="changeCamera(this.id)"> Perspektiv
</label>
<label class="btn btn-light btn-sm btn-secondary disabled">
<input type="radio" name="options" id="cameraOptionOrtho" autocomplete="off"
onchange="changeCamera(this.id)"> Orto
</label>
</div>
</div>
<div id="version"></div>
<script src="lib/three.js/three.min.js"></script>
<script src="lib/three.js/controls/OrbitControls.js"></script>
<script src="lib/three.js/loaders/DDSLoader.js"></script>
<script src="lib/three.js/loaders/MTLLoader.js"></script>
<script src="lib/three.js/loaders/OBJLoader.js"></script>
<script src="lib/WebGL.js"></script>
<script src="lib\jquery-3.0.0\jquery-3.0.0.min.js"></script>
<script src="lib\bootstrap-4.1.2-dist\js\bootstrap.bundle.min.js"></script>
<script src="settings.js"></script>
<script>
if (WEBGL.isWebGLAvailable() === false) {
document.body.appendChild(WEBGL.getWebGLErrorMessage());
}
// Titel på sida
if (settings.model.name) {
document.title = "3D-modell | " + settings.model.name;
}
else {
document.title = "3D-modell";
}
// settings
var screenWidth = (window.innerWidth != 0) ? window.innerWidth : settings.view.defaultSize.width;
var screenHeight = (window.innerHeight != 0) ? window.innerHeight : settings.view.defaultSize.height;
var screenAspect = screenWidth / screenHeight;
var model = settings.model.obj;
var modelRelPathFileObj = model.objFolderPath;
var modelRelPathFileMtl = model.mtlFolderPath;
var modelFileObj = model.objFilePath;
var modelFileMtl = model.mtlFilePath;
var cameraInitial = settings.view.cameraInitial;
var camera, controls, scene, renderer, object;
var cameraPerspective, cameraOrtho;
var activeCamera;
var cameraRig;
var frustumSize = settings.view.frustumSize;
var cameraScaleOffset = settings.view.cameraInitial.offsetFactor || 1;
var ambientLight = new THREE.AmbientLight(0xcccccc, 0.8);
var pointLightPerspective = new THREE.PointLight(0xffffff, 0.4);
var pointLightOrtho = new THREE.PointLight(0xffffff, 0.4);
var url = new URL(window.location.href);
var autoRotate = url.searchParams.get("autoRotate")
var autoRotateSpeed = url.searchParams.get("autoRotateSpeed")
var toolsDisable = url.searchParams.get("toolsDisable")
if (settings.debug) {
console.log("autoRotate from URL");
console.log(autoRotate);
console.log("autoRotateSpeed from URL");
console.log(autoRotateSpeed);
console.log("toolsDisable from URL");
console.log(toolsDisable);
}
// Aktiverar platshållare för verktyg och versionsinformation
if ( !(toolsDisable == 1) ) {
if (settings.tools.active || toolsDisable === 0) {
document.getElementById("version").innerHTML = settings.version;
document.getElementById("tools").style.display = "block";
}
}
var startTime = Date.now();
loadModel(function () {
run();
});
function run() {
var modelLoadTime = Date.now() - startTime;
if (settings.debug) {
console.log("Laddningstid (modell) " + modelLoadTime + " ms");
}
var delay = 0;
if (settings.model.totalDelayTime && ((settings.model.totalDelayTime - modelLoadTime) > 0)) {
delay = settings.model.totalDelayTime - modelLoadTime;
}
if (settings.debug) {
console.log("V�nttid " + delay);
}
setTimeout(
function () {
init();
animate();
// Stänger av laddningsindikation
document.getElementById("loading-container").style.display = "none";
// Aktiverar verktygsknappar när modell har laddat och verktygen inte är avstängda
document.getElementById("initialView").classList.remove("disabled");
var cameraLabelRadiobuttons = document.getElementsByTagName("label");
for (var i = 0; i < cameraLabelRadiobuttons.length; i++) {
if (cameraLabelRadiobuttons[i].children[0].id === activeCamera.name) {
cameraLabelRadiobuttons[i].children[0].checked = true;
cameraLabelRadiobuttons[i].classList.add("active");
}
else {
cameraLabelRadiobuttons[i].children[0].checked = false;
cameraLabelRadiobuttons[i].classList.remove("active");
}
cameraLabelRadiobuttons[i].classList.remove("disabled");
}
if (settings.debug) {
console.log("Laddningstid (total) " + (Date.now() - startTime) + " ms");
}
}
, delay
);
}
function init() {
// Cameras
cameraPerspective = new THREE.PerspectiveCamera(cameraInitial.fieldOfView, screenAspect, cameraInitial.near, cameraInitial.far);
cameraPerspective.name = "cameraOptionPerspective";
cameraOrtho = new THREE.OrthographicCamera(0.5 * frustumSize * screenAspect / -2, 0.5 * frustumSize * screenAspect / 2, frustumSize / 2, frustumSize / -2, 1, 500);
cameraOrtho.name = "cameraOptionOrtho";
cameraRig = new THREE.Group();
cameraRig.add(cameraPerspective);
cameraRig.add(cameraOrtho);
//
// Orbit Control
switch (settings.defaultCamera) {
case "perspective":
controls = new THREE.OrbitControls(cameraPerspective);
break;
case "orthogonal":
controls = new THREE.OrbitControls(cameraOrtho);
break;
default:
console.error("ERROR: Stödjer ej vald kamera (" + settings.defaultCamera + ") som standard.");
}
controls.mouseButtons = {
LEFT: THREE.MOUSE.LEFT,
MIDDLE: THREE.MOUSE.MIDDLE,
RIGHT: THREE.MOUSE.RIGHT
}
controls.screenSpacePanning = true;
if (autoRotate == 1) {
controls.autoRotate = true;
controls.autoRotateSpeed = autoRotateSpeed | 2;
}
else if (autoRotate == 0) {
controls.autoRotate = false;
}
else {
if (settings.view.autoRotate) {
controls.autoRotate = true;
controls.autoRotateSpeed = settings.view.autoRotateSpeed | 2;
}
else {
controls.autoRotate = false;
}
}
//
if (settings.view.enableExtent)
fitCameraToObject(cameraPerspective, cameraOrtho, object, cameraScaleOffset, controls);
// scene
scene = new THREE.Scene();
scene.background = new THREE.Color(0xcccccc);
scene.add(ambientLight);
cameraPerspective.add(pointLightPerspective);
cameraOrtho.add(pointLightOrtho);
scene.add(cameraRig);
scene.add(object);
//
// Default camera
switch (settings.defaultCamera) {
case "perspective":
activeCamera = cameraPerspective;
pointLightOrtho.visible = false;
break;
case "orthogonal":
activeCamera = cameraOrtho;
pointLightPerspective.visible = false;
break;
default:
console.error("ERROR: Stödjer ej vald kamera (" + settings.defaultCamera + ") som standard.");
}
// renderer
renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(screenWidth, screenHeight);
document.body.appendChild(renderer.domElement);
//
window.addEventListener('resize', onWindowResize, false);
render();
}
function loadModel(callback) {
THREE.Loader.Handlers.add(/\.dds$/i, new THREE.DDSLoader());
new THREE.MTLLoader()
.setPath(modelRelPathFileMtl)
.load(
modelFileMtl,
function (materials) {
materials.preload();
new THREE.OBJLoader()
.setMaterials(materials)
.setPath(modelRelPathFileObj)
.load(modelFileObj, function (_object) {
object = _object;
if (settings.debug) {
console.log("Modell laddad, position: ");
console.log(object.position);
console.log("Modell laddad, rotation: ");
console.log(object.rotation);
}
// object.position.x = settings.model.position.x;
// Ändra modells ingående position, rotation och skala genom inställning
if (settings.model.position.x)
object.position.x = settings.model.position.x;
if (settings.model.position.y)
object.position.y = settings.model.position.y;
if (settings.model.position.z)
object.position.z = settings.model.position.z;
if (settings.model.rotation.x)
object.rotation.x = settings.model.rotation.x * Math.PI / 180;
if (settings.model.rotation.y)
object.rotation.y = settings.model.rotation.y * Math.PI / 180;
if (settings.model.rotation.z)
object.rotation.z = settings.model.rotation.z * Math.PI / 180;
if (settings.debug) {
console.log("Ändrad, position: ");
console.log(object.position);
console.log("Ändrad, rotation: ");
console.log(object.rotation);
}
callback();
});
},
function () { return },
function (error) {
if (error) {
new THREE.OBJLoader()
.setPath(modelRelPathFileObj)
.load(modelFileObj, function (_object) {
object = _object;
if (settings.debug) {
console.log("Modell laddad, position: ");
console.log(object.position);
console.log("Modell laddad, rotation: ");
console.log(object.rotation);
}
// object.position.x = settings.model.position.x;
// Ändra modells ingående position, rotation och skala genom inställning
if (settings.model.position.x)
object.position.x = settings.model.position.x;
if (settings.model.position.y)
object.position.y = settings.model.position.y;
if (settings.model.position.z)
object.position.z = settings.model.position.z;
if (settings.model.rotation.x)
object.rotation.x = settings.model.rotation.x * Math.PI / 180;
if (settings.model.rotation.y)
object.rotation.y = settings.model.rotation.y * Math.PI / 180;
if (settings.model.rotation.z)
object.rotation.z = settings.model.rotation.z * Math.PI / 180;
if (settings.debug) {
console.log("Ändrad, position: ");
console.log(object.position);
console.log("Ändrad, rotation: ");
console.log(object.rotation);
}
callback();
});
}
}
);
}
function onWindowResize() {
screenWidth = window.innerWidth;
screenHeight = window.innerHeight;
screenAspect = screenWidth / screenHeight;
renderer.setSize(screenWidth, screenHeight);
// Uppdatera cameraPerspective
cameraPerspective.aspect = screenAspect;
cameraPerspective.updateProjectionMatrix();
//
// Uppdatera cameraOrtho
const boundingBox = new THREE.Box3();
boundingBox.setFromObject(object);
const size = new THREE.Vector3();
boundingBox.getSize(size);
var modelAspect = size.x / size.y;
var cameraOrthoWidth, cameraOrthoHeight;
if (modelAspect < 1) {
if (screenAspect < 1) {
cameraOrthoWidth = size.y * screenAspect * 2;
cameraOrthoHeight = size.y * 2;
}
else {
cameraOrthoWidth = size.y * screenAspect;
cameraOrthoHeight = size.y;
}
}
else {
if (screenAspect < 1) {
cameraOrthoWidth = size.x;
cameraOrthoHeight = size.x / screenAspect;
}
else {
cameraOrthoWidth = size.x * 2;
cameraOrthoHeight = size.x / screenAspect * 2;
}
}
cameraOrtho.left = cameraOrthoWidth / -2 * cameraScaleOffset;
cameraOrtho.right = cameraOrthoWidth / 2 * cameraScaleOffset;
cameraOrtho.top = cameraOrthoHeight / 2 * cameraScaleOffset;
cameraOrtho.bottom = cameraOrthoHeight / -2 * cameraScaleOffset;
cameraOrtho.updateProjectionMatrix();
//
render();
}
function animate() {
requestAnimationFrame(animate);
controls.update();
render();
}
function render() {
renderer.render(scene, activeCamera);
}
function initView() {
controls.reset();
render();
if (settings.debug) {
console.log("Camera reinit");
console.log(activeCamera);
console.log("SETTINGS from initView");
console.log(settings);
}
}
function changeCamera(elmntId) {
var d = new THREE.Vector3(),
q = new THREE.Quaternion(),
s = new THREE.Vector3();
switch (elmntId) {
case "cameraOptionOrtho":
cameraPerspective.matrixWorld.decompose(d, q, s);
console.log(d);
cameraOrtho.position.copy(d);
cameraOrtho.quaternion.copy(q);
cameraOrtho.scale.copy(s);
activeCamera = cameraOrtho;
pointLightPerspective.visible = false;
pointLightOrtho.visible = true;
break;
case "cameraOptionPerspective":
cameraOrtho.matrixWorld.decompose(d, q, s);
console.log(d);
cameraPerspective.position.copy(d);
cameraPerspective.quaternion.copy(q);
cameraPerspective.scale.copy(s);
activeCamera = cameraPerspective;
pointLightPerspective.visible = true;
pointLightOrtho.visible = false;
break;
}
controls.object = activeCamera;
controls.update();
}
// Från https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/3
const fitCameraToObject = function (cameraPerspective, cameraOrtho, object, offset, controls) {
// get bounding box of object - this will be used to setup controls and camera
const boundingBox = new THREE.Box3();
boundingBox.setFromObject(object);
const center = new THREE.Vector3();
boundingBox.getCenter(center);
const size = new THREE.Vector3();
boundingBox.getSize(size);
if (settings.debug) {
console.log("Storlek modell")
console.log(size)
console.log("Modell min max")
console.log(boundingBox.min, boundingBox.max);
}
// get the max side of the bounding box (fits to width OR height as needed )
const maxDim = Math.max(size.x, size.y, size.z);
let cameraPerspectiveZ, cameraOrthoZ;
// https://discourse.threejs.org/t/camera-zoom-to-fit-object/936/16
const fov = cameraPerspective.fov * (Math.PI / 180);
if (screenAspect > 1) {
cameraPerspectiveZ = maxDim / 2 / Math.tan(fov / 2);
if (settings.debug) {
console.log("vertikal fov");
}
cameraOrthoZ = maxDim * 2;
}
else {
cameraPerspectiveZ = maxDim / 2 / Math.tan(fov * cameraPerspective.aspect / 2);
if (settings.debug) {
console.log("horisontel fov");
}
cameraOrthoZ = maxDim;
}
// zoom out a little so that objects don't fill the screen
cameraPerspectiveZ *= offset;
cameraOrthoZ *= offset;
// camera.position.z = center.z + cameraZ;
cameraPerspective.position.z = center.z + cameraPerspectiveZ;
cameraOrtho.position.z = center.z + cameraOrthoZ;
if (settings.debug) {
console.log("cameraPerspective z " + cameraPerspective.position.z)
console.log("cameraOrtho z " + cameraOrtho.position.z)
}
const minZ = boundingBox.min.z;
const cameraPerspectiveToFarEdge = (minZ < 0) ? -minZ + cameraPerspectiveZ : cameraPerspectiveZ - minZ;
const cameraOrthoToFarEdge = (minZ < 0) ? -minZ + cameraOrthoZ : cameraOrthoZ - minZ;
cameraPerspective.far = cameraPerspectiveToFarEdge * 3;
cameraPerspective.zoom = settings.view.cameraInitial.zoom | 1;
cameraPerspective.updateProjectionMatrix();
cameraOrtho.far = cameraOrthoToFarEdge * 3;
var modelAspect = size.x / size.y;
if (settings.debug) {
console.log("Modell Aspect " + modelAspect);
console.log("Screen Aspect " + screenAspect);
}
var cameraOrthoWidth, cameraOrthoHeight;
if (modelAspect < 1) {
if (screenAspect < 1) {
cameraOrthoWidth = size.y * screenAspect * 2;
cameraOrthoHeight = size.y * 2;
}
else {
cameraOrthoWidth = size.y * screenAspect;
cameraOrthoHeight = size.y;
}
}
else {
if (screenAspect < 1) {
cameraOrthoWidth = size.x;
cameraOrthoHeight = size.x / screenAspect;
}
else {
cameraOrthoWidth = size.x * 2;
cameraOrthoHeight = size.x / screenAspect * 2;
}
}
cameraOrtho.left = cameraOrthoWidth / -2 * offset - settings.model.position.x / 2;
cameraOrtho.right = cameraOrthoWidth / 2 * offset - settings.model.position.x / 2;
cameraOrtho.top = cameraOrthoHeight / 2 * offset - settings.model.position.y / 2;
cameraOrtho.bottom = cameraOrthoHeight / -2 * offset - settings.model.position.y / 2;
cameraOrtho.zoom = settings.view.cameraInitial.zoom | 1;
cameraOrtho.updateProjectionMatrix();
if (controls) {
// set camera to rotate around center of loaded object
controls.target = center;
// prevent camera from zooming out far enough to create far plane cutoff
// controls.maxDistance = cameraToFarEdge * 2;
controls.maxDistance = Math.max(cameraPerspectiveToFarEdge, cameraOrthoToFarEdge) * 2;
controls.saveState();
// controls.update();
} else {
// cameraPerspective.lookAt(center)
// cameraOrtho.lookAt(center)
cameraRig.lookAt(center)
}
cameraInitial.target = center;
if (settings.debug) {
console.log("SETTINGS from fitCameraToObject");
console.log(settings);
}
}
</script>
</body>
</html>