更新了连续动画

src/examples/spaceMissions/moonTrack/moonTrack-function.js

@@ -9,7 +9,7 @@ export function addMoonTrack() {
         });
           var start = new Cesium.JulianDate.fromDate(new Date());
   start = Cesium.JulianDate.addHours(start, 8, new Cesium.JulianDate());
-  var stop = Cesium.JulianDate.addDays(start, 27.321582, new Cesium.JulianDate());
+  var stop = Cesium.JulianDate.addSeconds(start, 360, new Cesium.JulianDate());
   viewer.clock.startTime = start.clone();
   viewer.clock.stopTime = stop.clone();
   viewer.clock.currentTime = start.clone();
@@ -20,7 +20,7 @@ export function addMoonTrack() {
   const inclination = Cesium.Math.toRadians(28.5); // 轨道倾角（以弧度表示）
   const semiMajorAxis = 38440000; // 半长轴（米），大约为月球到地球的平均距离
   // const period = 27.321582 * 24 * 60 * 60; // 月球的公转周期（秒）
-  const period = 50 ; 
+  const period = 360 ; 
   // 定义轨道上的点数
   const numberOfPoints = 1000;
 
@@ -44,6 +44,7 @@ export function addMoonTrack() {
       // 添加到位置数组
       positions.push(cartographic);
     }
+        positions.push(positions[0])
     return positions;
   }
   // 创建轨道路径
@@ -54,7 +55,7 @@ export function addMoonTrack() {
 
   // 创建SampledPositionProperty
   const orbitPosition = new Cesium.SampledPositionProperty();
-  for (let i = 0; i < numberOfPoints; i++) {
+  for (let i = 0; i <= numberOfPoints; i++) {
     const time = Cesium.JulianDate.addSeconds(viewer.clock.startTime, i * period / numberOfPoints, new Cesium.JulianDate());
     orbitPosition.addSample(time, cartesianPositions[i]);
   }
@@ -67,12 +68,10 @@ export function addMoonTrack() {
     position: orbitPosition,
     orientation: new Cesium.VelocityOrientationProperty(orbitPosition),
     // 设置月球的形状
-    ellipsoid: {
-      radii: new Cesium.Cartesian3(1737400.0, 1737400.0, 1737400.0), // 月球的平均半径
-      material: new Cesium.ImageMaterialProperty({
-          image: "/src/image/moon1.jpg",
-          repeat: new Cesium.Cartesian2(1, 1)
-      })
+    model: {
+      uri: 'https://raw.githubusercontent.com/jinlinchao123/Cesium-assets/main/3Dmodel/moon.gltf',
+      minimumPixelSize: 100,
+      scale: 200.0,
     },
     // 显示月球的运动轨迹
     path: {

src/examples/spaceMissions/sunTrack/sunTrack-function.js

@@ -30,7 +30,7 @@ export function addSunTrack() {
   viewer.scene.fog.enable = false;
   var start = new Cesium.JulianDate.fromDate(new Date());
   start = Cesium.JulianDate.addHours(start, 8, new Cesium.JulianDate());
-  var stop = Cesium.JulianDate.addDays(start, 27.321582, new Cesium.JulianDate());
+  var stop = Cesium.JulianDate.addSeconds(start, 360, new Cesium.JulianDate());
   viewer.clock.startTime = start.clone();
   viewer.clock.stopTime = stop.clone();
   viewer.clock.currentTime = start.clone();
@@ -40,7 +40,7 @@ export function addSunTrack() {
   const inclination = Cesium.Math.toRadians(28.5); // 轨道倾角（以弧度表示）
   const semiMajorAxis = 38440000; // 半长轴（米），大约为月球到地球的平均距离
   // const period = 27.321582 * 24 * 60 * 60; // 月球的公转周期（秒）
-  const period = 50;
+  const period = 360;
   // 定义轨道上的点数
   const numberOfPoints = 1000;
   function createMoonOrbit(inclination, semiMajorAxis, period, numberOfPoints) {
@@ -56,12 +56,13 @@ export function addSunTrack() {
       const cartographic = Cesium.Cartographic.fromCartesian(Cesium.Cartesian3.fromElements(x, y, z));
       positions.push(cartographic);
     }
+    positions.push(positions[0])
     return positions;
   }
   const moonOrbitPositions = createMoonOrbit(inclination, semiMajorAxis, period, numberOfPoints);
   const cartesianPositions = moonOrbitPositions.map(position => Cesium.Cartesian3.fromRadians(position.longitude, position.latitude, position.height));
   const orbitPosition = new Cesium.SampledPositionProperty();
-  for (let i = 0; i < numberOfPoints; i++) {
+  for (let i = 0; i <= numberOfPoints; i++) {
     const time = Cesium.JulianDate.addSeconds(viewer.clock.startTime, i * period / numberOfPoints, new Cesium.JulianDate());
     orbitPosition.addSample(time, cartesianPositions[i]);
   }