240 lines
8.0 KiB
HTML
240 lines
8.0 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
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<meta name="description" content="Use HeadingPitchRoll">
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<meta name="cesium-sandcastle-labels" content="Tutorials">
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<title>Cesium Demo</title>
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<script type="text/javascript" src="../Sandcastle-header.js"></script>
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<script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
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<script type="text/javascript">
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if(typeof require === 'function') {
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require.config({
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baseUrl : '../../../Source',
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waitSeconds : 120
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});
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}
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</script>
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</head>
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<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
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<style>
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@import url(../templates/bucket.css);
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</style>
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<div id="cesiumContainer" class="fullSize"></div>
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<div id="loadingOverlay">
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<h1>Loading...</h1>
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</div>
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<div id="toolbar">
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<table class="infoPanel">
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<tbody>
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<tr>
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<td>Click on the 3D window then use the keyboard to change settings.</td>
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</tr>
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<tr>
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<td>Heading: <span id="heading"></span>°</td>
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</tr>
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<tr>
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<td>← to left/→ to right</td>
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</tr>
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<tr>
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<td>Pitch: <span id="pitch"></span>°</td>
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</tr>
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<tr>
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<td>↑ to up/↓ to down</td>
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</tr>
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<tr>
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<td>roll: <span id="roll"></span>°</td>
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</tr>
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<tr>
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<td>← + ⇧ left/→ + ⇧ right</td>
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</tr>
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<tr>
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<td>Speed: <span id="speed"></span>m/s</td>
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</tr>
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<tr>
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<td>↑ + ⇧ to speed up/↓ + ⇧ to speed down</td>
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</tr>
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<tr>
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<td>following aircraft
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<input id="fromBehind" type="checkbox">
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<script id="cesium_sandcastle_script">
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function startup(Cesium) {
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'use strict';
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//Sandcastle_Begin
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var viewer = new Cesium.Viewer('cesiumContainer', {
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shouldAnimate : true
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});
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var canvas = viewer.canvas;
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canvas.setAttribute('tabindex', '0'); // needed to put focus on the canvas
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canvas.addEventListener('click', function() {
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canvas.focus();
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});
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canvas.focus();
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var scene = viewer.scene;
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var pathPosition = new Cesium.SampledPositionProperty();
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var entityPath = viewer.entities.add({
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position : pathPosition,
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name : 'path',
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path : {
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show : true,
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leadTime : 0,
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trailTime : 60,
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width : 10,
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resolution : 1,
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material : new Cesium.PolylineGlowMaterialProperty({
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glowPower : 0.3,
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taperPower : 0.3,
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color : Cesium.Color.PALEGOLDENROD
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})
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}
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});
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var camera = viewer.camera;
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var controller = scene.screenSpaceCameraController;
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var r = 0;
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var center = new Cesium.Cartesian3();
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var hpRoll = new Cesium.HeadingPitchRoll();
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var hpRange = new Cesium.HeadingPitchRange();
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var speed = 10;
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var deltaRadians = Cesium.Math.toRadians(3.0);
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var position = Cesium.Cartesian3.fromDegrees(-123.0744619, 44.0503706, 5000.0);
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var speedVector = new Cesium.Cartesian3();
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var fixedFrameTransform = Cesium.Transforms.localFrameToFixedFrameGenerator('north', 'west');
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var planePrimitive = scene.primitives.add(Cesium.Model.fromGltf({
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url : '../../SampleData/models/CesiumAir/Cesium_Air.glb',
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modelMatrix : Cesium.Transforms.headingPitchRollToFixedFrame(position, hpRoll, Cesium.Ellipsoid.WGS84, fixedFrameTransform),
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minimumPixelSize : 128
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}));
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planePrimitive.readyPromise.then(function(model) {
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// Play and loop all animations at half-speed
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model.activeAnimations.addAll({
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multiplier : 0.5,
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loop : Cesium.ModelAnimationLoop.REPEAT
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});
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// Zoom to model
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r = 2.0 * Math.max(model.boundingSphere.radius, camera.frustum.near);
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controller.minimumZoomDistance = r * 0.5;
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Cesium.Matrix4.multiplyByPoint(model.modelMatrix, model.boundingSphere.center, center);
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var heading = Cesium.Math.toRadians(230.0);
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var pitch = Cesium.Math.toRadians(-20.0);
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hpRange.heading = heading;
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hpRange.pitch = pitch;
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hpRange.range = r * 50.0;
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camera.lookAt(center, hpRange);
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});
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document.addEventListener('keydown', function(e) {
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switch (e.keyCode) {
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case 40:
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if (e.shiftKey) {
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// speed down
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speed = Math.max(--speed, 1);
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} else {
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// pitch down
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hpRoll.pitch -= deltaRadians;
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if (hpRoll.pitch < -Cesium.Math.TWO_PI) {
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hpRoll.pitch += Cesium.Math.TWO_PI;
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}
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}
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break;
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case 38:
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if (e.shiftKey) {
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// speed up
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speed = Math.min(++speed, 100);
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} else {
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// pitch up
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hpRoll.pitch += deltaRadians;
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if (hpRoll.pitch > Cesium.Math.TWO_PI) {
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hpRoll.pitch -= Cesium.Math.TWO_PI;
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}
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}
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break;
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case 39:
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if (e.shiftKey) {
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// roll right
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hpRoll.roll += deltaRadians;
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if (hpRoll.roll > Cesium.Math.TWO_PI) {
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hpRoll.roll -= Cesium.Math.TWO_PI;
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}
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} else {
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// turn right
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hpRoll.heading += deltaRadians;
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if (hpRoll.heading > Cesium.Math.TWO_PI) {
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hpRoll.heading -= Cesium.Math.TWO_PI;
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}
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}
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break;
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case 37:
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if (e.shiftKey) {
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// roll left until
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hpRoll.roll -= deltaRadians;
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if (hpRoll.roll < 0.0) {
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hpRoll.roll += Cesium.Math.TWO_PI;
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}
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} else {
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// turn left
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hpRoll.heading -= deltaRadians;
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if (hpRoll.heading < 0.0) {
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hpRoll.heading += Cesium.Math.TWO_PI;
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}
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}
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break;
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default:
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}
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});
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var headingSpan = document.getElementById('heading');
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var pitchSpan = document.getElementById('pitch');
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var rollSpan = document.getElementById('roll');
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var speedSpan = document.getElementById('speed');
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var fromBehind = document.getElementById('fromBehind');
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viewer.scene.preUpdate.addEventListener(function(scene, time) {
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speedVector = Cesium.Cartesian3.multiplyByScalar(Cesium.Cartesian3.UNIT_X, speed / 10, speedVector);
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position = Cesium.Matrix4.multiplyByPoint(planePrimitive.modelMatrix, speedVector, position);
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pathPosition.addSample(Cesium.JulianDate.now(), position);
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Cesium.Transforms.headingPitchRollToFixedFrame(position, hpRoll, Cesium.Ellipsoid.WGS84, fixedFrameTransform, planePrimitive.modelMatrix);
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if (fromBehind.checked) {
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// Zoom to model
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Cesium.Matrix4.multiplyByPoint(planePrimitive.modelMatrix, planePrimitive.boundingSphere.center, center);
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hpRange.heading = hpRoll.heading;
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hpRange.pitch = hpRoll.pitch;
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camera.lookAt(center, hpRange);
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}
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});
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viewer.scene.preRender.addEventListener(function(scene, time) {
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headingSpan.innerHTML = Cesium.Math.toDegrees(hpRoll.heading).toFixed(1);
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pitchSpan.innerHTML = Cesium.Math.toDegrees(hpRoll.pitch).toFixed(1);
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rollSpan.innerHTML = Cesium.Math.toDegrees(hpRoll.roll).toFixed(1);
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speedSpan.innerHTML = speed.toFixed(1);
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});
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//Sandcastle_End
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Sandcastle.finishedLoading();
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}
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if (typeof Cesium !== 'undefined') {
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startup(Cesium);
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} else if (typeof require === 'function') {
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require(['Cesium'], startup);
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}
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</script>
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</body>
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</html>
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