185 lines
7.5 KiB
HTML
185 lines
7.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<base data-ice="baseUrl" href="../../../">
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<title data-ice="title">src/toolbar/ResetAction.js | xeokit-bim-viewer</title>
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<meta name="description" content="BIM viewer built on xeokit"><meta property="og:type" content="website"><meta property="og:url" content="https://github.com/xeokit/xeokit-bim-viewer"><meta property="og:site_name" content="xeokit-bim-viewer"><meta property="og:title" content="xeokit-bim-viewer"><meta property="og:image" content="./images/logo.jpg"><meta property="og:description" content="BIM viewer built on xeokit"><meta property="og:author" content="http://xeolabs.com"><meta property="twitter:card" content="summary"><meta property="twitter:title" content="xeokit-bim-viewer"><meta property="twitter:description" content="BIM viewer built on xeokit"><meta property="twitter:image" content="./images/logo.jpg"></head>
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<div class="content" data-ice="content"><h1 data-ice="title">src/toolbar/ResetAction.js</h1>
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<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import {Controller} from "../Controller.js";
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import {ModelMemento, math} from "@xeokit/xeokit-sdk/dist/xeokit-sdk.es.js";
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const tempVec3a = math.vec3();
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/** @private */
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class ResetAction extends Controller {
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constructor(parent, cfg = {}) {
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super(parent, cfg);
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if (!cfg.buttonElement) {
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throw "Missing config: buttonElement";
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}
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const buttonElement = cfg.buttonElement;
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const camera = this.viewer.camera;
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this._modelMementos = {};
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// Initial camera position - looking down negative diagonal
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camera.eye = [0.577, 0.577, 0.577];
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camera.look = [0,0,0];
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camera.up = [-1, 1, -1];
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this.bimViewer._modelsExplorer.on("modelLoaded", (modelId) => {
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this._saveModelMemento(modelId);
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});
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this.bimViewer._modelsExplorer.on("modelUnloaded", (modelId) => {
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this._destroyModelMemento(modelId);
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});
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this.on("enabled", (enabled) => {
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if (!enabled) {
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buttonElement.classList.add("disabled");
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} else {
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buttonElement.classList.remove("disabled");
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}
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});
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this.on("active", (active) => {
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if (active) {
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buttonElement.classList.add("active");
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} else {
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buttonElement.classList.remove("active");
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}
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});
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buttonElement.addEventListener("click", (event) => {
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if (this.getEnabled()) {
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this.reset();
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}
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event.preventDefault();
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});
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}
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_saveModelMemento(modelId) {
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const metaModel = this.viewer.metaScene.metaModels[modelId];
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if (!metaModel) {
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return;
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}
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const modelMemento = new ModelMemento();
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modelMemento.saveObjects(this.viewer.scene, metaModel, {
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visible: true,
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edges: true,
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xrayed: true,
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highlighted: true,
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selected: true,
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clippable: true,
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pickable: true,
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colorize: false, // We don't colorize objects yet - also messes up point clouds
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opacity: false // FIXME: Restoring opacity broken by colorize fix - details at https://github.com/xeokit/xeokit-sdk/issues/239
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});
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this._modelMementos[modelId] = modelMemento;
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}
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_restoreModelMemento(modelId) {
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const metaModel = this.viewer.metaScene.metaModels[modelId];
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if (!metaModel) {
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return;
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}
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const modelMemento = this._modelMementos[modelId];
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modelMemento.restoreObjects(this.viewer.scene, metaModel);
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}
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_destroyModelMemento(modelId) {
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delete this._modelMementos[modelId];
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}
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reset() {
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const scene = this.viewer.scene;
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const modelIds = scene.modelIds;
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for (var i = 0, len = modelIds.length; i < len; i++) {
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const modelId = modelIds[i];
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this._restoreModelMemento(modelId);
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}
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this.bimViewer.unShowObjectInExplorers();
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this.fire("reset", true);
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this._resetCamera();
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}
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_resetCamera() {
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const viewer = this.viewer;
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const scene = viewer.scene;
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const aabb = scene.getAABB(scene.visibleObjectIds);
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const diag = math.getAABB3Diag(aabb);
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const center = math.getAABB3Center(aabb, tempVec3a);
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const camera = scene.camera;
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const fitFOV = camera.perspective.fov;
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const dist = Math.abs(diag / Math.tan(45 * math.DEGTORAD));
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const dir = math.normalizeVec3((camera.yUp) ? [-0.5, -0.7071, -0.5] : [-1, 1, -1]);
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const up = math.normalizeVec3((camera.yUp) ? [-0.5, 0.7071, -0.5] : [-1, 1, 1]);
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viewer.cameraControl.pivotPos = center;
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viewer.cameraControl.planView = false;
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viewer.cameraFlight.flyTo({
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look: center,
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eye: [center[0] - (dist * dir[0]), center[1] - (dist * dir[1]), center[2] - (dist * dir[2])],
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up: up,
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orthoScale: diag * 1.3,
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projection: "perspective",
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duration: 1
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});
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}
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}
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export {ResetAction};</code></pre>
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