mirror of https://github.com/CesiumGS/cesium.git
269 lines
9.0 KiB
HTML
269 lines
9.0 KiB
HTML
<!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
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name="viewport"
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content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
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/>
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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
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type="text/javascript"
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src="../../../Build/CesiumUnminified/Cesium.js"
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nomodule
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></script>
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<script type="module" src="../load-cesium-es6.js"></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>
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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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window.startup = async function (Cesium) {
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"use strict";
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//Sandcastle_Begin
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const viewer = new Cesium.Viewer("cesiumContainer", {
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shouldAnimate: true,
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});
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const 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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const scene = viewer.scene;
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const pathPosition = new Cesium.SampledPositionProperty();
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const 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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const camera = viewer.camera;
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const controller = scene.screenSpaceCameraController;
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let r = 0;
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const hpRoll = new Cesium.HeadingPitchRoll();
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const hpRange = new Cesium.HeadingPitchRange();
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let speed = 10;
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const deltaRadians = Cesium.Math.toRadians(3.0);
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let position = Cesium.Cartesian3.fromDegrees(-123.0744619, 44.0503706, 5000.0);
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let speedVector = new Cesium.Cartesian3();
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const fixedFrameTransform = Cesium.Transforms.localFrameToFixedFrameGenerator(
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"north",
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"west",
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);
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const headingSpan = document.getElementById("heading");
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const pitchSpan = document.getElementById("pitch");
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const rollSpan = document.getElementById("roll");
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const speedSpan = document.getElementById("speed");
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const fromBehind = document.getElementById("fromBehind");
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try {
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const planePrimitive = scene.primitives.add(
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await Cesium.Model.fromGltfAsync({
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url: "../../SampleData/models/CesiumAir/Cesium_Air.glb",
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modelMatrix: Cesium.Transforms.headingPitchRollToFixedFrame(
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position,
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hpRoll,
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Cesium.Ellipsoid.WGS84,
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fixedFrameTransform,
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),
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minimumPixelSize: 128,
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}),
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);
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planePrimitive.readyEvent.addEventListener(() => {
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// Play and loop all animations at half-speed
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planePrimitive.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(planePrimitive.boundingSphere.radius, camera.frustum.near);
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controller.minimumZoomDistance = r * 0.5;
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const center = planePrimitive.boundingSphere.center;
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const heading = Cesium.Math.toRadians(230.0);
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const 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.code) {
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case "ArrowDown":
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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 "ArrowUp":
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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 "ArrowRight":
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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 "ArrowLeft":
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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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viewer.scene.preUpdate.addEventListener(function (scene, time) {
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speedVector = Cesium.Cartesian3.multiplyByScalar(
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Cesium.Cartesian3.UNIT_X,
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speed / 10,
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speedVector,
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);
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position = Cesium.Matrix4.multiplyByPoint(
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planePrimitive.modelMatrix,
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speedVector,
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position,
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);
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pathPosition.addSample(Cesium.JulianDate.now(), position);
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Cesium.Transforms.headingPitchRollToFixedFrame(
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position,
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hpRoll,
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Cesium.Ellipsoid.WGS84,
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fixedFrameTransform,
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planePrimitive.modelMatrix,
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);
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if (fromBehind.checked) {
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// Zoom to model
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const center = planePrimitive.boundingSphere.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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} catch (error) {
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console.log(`Error loading model: ${error}`);
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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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};
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if (typeof Cesium !== "undefined") {
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window.startupCalled = true;
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window.startup(Cesium).catch((error) => {
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"use strict";
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console.error(error);
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});
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Sandcastle.finishedLoading();
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}
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</script>
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</body>
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</html>
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