Headingpitchroll

<!--
  示例：朝向：航向、俯仰、横滚
  说明：三个盒体用不同的航向、俯仰与横滚摆姿势，并画出各自的局部坐标轴
  核心逻辑：HeadingPitchRoll → Transforms.headingPitchRollQuaternion → entity.orientation
  依赖：CesiumJS 1.121 · jsDelivr CDN
-->
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta name="robots" content="noindex,follow">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>朝向：航向、俯仰、横滚</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/cesium@1.121.0/Build/Cesium/Widgets/widgets.css">
<style>
  html,body{height:100%;margin:0}
  body{background:#0e1116;color:#e6e8ec;overflow:hidden;
       font:13px/1.6 -apple-system,"Segoe UI","PingFang SC",sans-serif}
  #c{height:100%}
  .tip{position:absolute;left:12px;top:12px;z-index:5;
       background:rgba(23,28,35,.9);border:1px solid #2a313b;border-radius:6px;
       padding:8px 12px;font-size:12px;color:#a2a9b6;max-width:320px;line-height:1.6}

  .cesium-viewer-bottom .cesium-widget-credits,.cesium-viewer-animationContainer,
  .cesium-viewer-timelineContainer{display:none!important}
</style>
</head>
<body>
<div id="c"></div>
<div class="tip">航向绕天顶转，俯仰绕东轴抬，横滚绕自身前进方向转。</div>
<script src="https://cdn.jsdelivr.net/npm/cesium@1.121.0/Build/Cesium/Cesium.js"></script>
<script>
(function () {
  'use strict';

  var viewer = new Cesium.Viewer('c', {
    baseLayer: false,
    baseLayerPicker: false, geocoder: false, homeButton: false,
    sceneModePicker: false, navigationHelpButton: false,
    animation: false, timeline: false, fullscreenButton: false,
    infoBox: false, selectionIndicator: false
  });

  var scene = viewer.scene;
  scene.globe.baseColor = Cesium.Color.fromCssColorString('#1c2733');
  scene.backgroundColor = Cesium.Color.fromCssColorString('#0e1116');
  scene.skyBox.show = false;
  scene.sun.show = false;
  scene.moon.show = false;
  if (scene.skyAtmosphere) scene.skyAtmosphere.show = false;

  var lon = 116.3865, lat = 39.9040;

  function box(dx, hpr, color) {
    var pos = Cesium.Cartesian3.fromDegrees(lon + dx, lat, 70);
    viewer.entities.add({
      position: pos,
      orientation: Cesium.Transforms.headingPitchRollQuaternion(pos, hpr),
      box: {
        dimensions: new Cesium.Cartesian3(46, 12, 6),
        material: Cesium.Color.fromCssColorString(color).withAlpha(0.95),
        outline: true,
        outlineColor: Cesium.Color.fromCssColorString('#0e1116')
      }
    });
  }

  box(0.0000, new Cesium.HeadingPitchRoll(
    Cesium.Math.toRadians(0), 0, 0), '#4d86c8');
  box(0.0030, new Cesium.HeadingPitchRoll(
    Cesium.Math.toRadians(45), 0, 0), '#5bb08a');
  box(0.0060, new Cesium.HeadingPitchRoll(
    Cesium.Math.toRadians(-20), Cesium.Math.toRadians(25), Cesium.Math.toRadians(35)), '#d08a4e');
  viewer.camera.flyTo({
    destination: Cesium.Cartesian3.fromDegrees(116.3910, 39.9002, 210),
    orientation: { heading: Cesium.Math.toRadians(4), pitch: Cesium.Math.toRadians(-12), roll: 0 },
    duration: 0
  });
})();
</script>
</body>
</html>