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卫星class的传参修改

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This commit is contained in:
严争鸣 2025-04-27 12:49:24 +08:00
parent af7b6adf5e
commit d7c196d88d
1 changed files with 18 additions and 9 deletions
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27
src/js/satelliteEntity.js
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@ -5,6 +5,10 @@ import chroma from 'chroma-js'
class SatelliteEntity { class SatelliteEntity {
constructor(tle = '', options = {}) { constructor(tle = '', options = {}) {
const {
totalSeconds = 7 * 86400, // 24小时
startTime = new Date().toISOString(),
} = options
const [name, tleLine1, tleLine2] = this._checkTle(tle) const [name, tleLine1, tleLine2] = this._checkTle(tle)
let circle = tleLine2.slice(52, 64) let circle = tleLine2.slice(52, 64)
@ -13,7 +17,10 @@ class SatelliteEntity {
this.tleLine2 = tleLine2.trim() this.tleLine2 = tleLine2.trim()
this.satrec = twoline2satrec(this.tleLine1, this.tleLine2) this.satrec = twoline2satrec(this.tleLine1, this.tleLine2)
this.totalSeconds = 7 * 86400 // 24小时 this.totalSeconds = totalSeconds
this.startTime = startTime
this.stepSeconds = 100 this.stepSeconds = 100
this.leadTime = parseInt((24 * 3600) / circle) this.leadTime = parseInt((24 * 3600) / circle)
this.trailTime = 0 this.trailTime = 0
@ -116,12 +123,13 @@ class SatelliteEntity {
// 创建PositionProperty // 创建PositionProperty
_getPositionProperty(height) { _getPositionProperty(height) {
const start = Cesium.JulianDate.fromIso8601(new Date().toISOString()) const start = Cesium.JulianDate.fromIso8601(this.startTime)
const positionProperty = new Cesium.SampledPositionProperty( const positionProperty = new Cesium.SampledPositionProperty(
Cesium.ReferenceFrame.INERTIAL Cesium.ReferenceFrame.INERTIAL
) )
// const points = [] // const points = []
let now = Date.now() // let now = Date.now()
let now = new Date(this.startTime).getTime()
for (let i = 0; i < this.totalSeconds / this.stepSeconds; i++) { for (let i = 0; i < this.totalSeconds / this.stepSeconds; i++) {
let sateTime = new Date(now + i * this.stepSeconds * 1000) let sateTime = new Date(now + i * this.stepSeconds * 1000)
let sateCoord = this.getPositionEci(sateTime) let sateCoord = this.getPositionEci(sateTime)
@ -133,6 +141,7 @@ class SatelliteEntity {
i * this.stepSeconds, i * this.stepSeconds,
new Cesium.JulianDate() new Cesium.JulianDate()
) )
let cesiumPosition = { let cesiumPosition = {
x: sateCoord.x * 1000, x: sateCoord.x * 1000,
y: sateCoord.y * 1000, y: sateCoord.y * 1000,
@ -158,7 +167,7 @@ class SatelliteEntity {
// 创建卫星实例 // 创建卫星实例
createSatelliteEntity() { createSatelliteEntity() {
const start = Cesium.JulianDate.fromIso8601(new Date().toISOString()) const start = Cesium.JulianDate.fromIso8601(this.startTime)
const stop = Cesium.JulianDate.addSeconds( const stop = Cesium.JulianDate.addSeconds(
start, start,
this.totalSeconds, this.totalSeconds,
@ -172,9 +181,9 @@ class SatelliteEntity {
name: this.name, name: this.name,
description: this.name, description: this.name,
show: true, show: true,
availability: new Cesium.TimeIntervalCollection([ // availability: new Cesium.TimeIntervalCollection([
new Cesium.TimeInterval({ start: start, stop: stop }), // new Cesium.TimeInterval({ start: start, stop: stop }),
]), // ]),
position: this._getPositionProperty(), position: this._getPositionProperty(),
path: new Cesium.PathGraphics({ path: new Cesium.PathGraphics({
@ -449,7 +458,7 @@ class SatelliteEntity {
} }
_getPositionFromTime() { _getPositionFromTime() {
const start = Cesium.JulianDate.fromIso8601(new Date().toISOString()) const start = Cesium.JulianDate.fromIso8601(this.startTime)
const pos = this._getPositionProperty(1) const pos = this._getPositionProperty(1)
const points = [] const points = []
@ -468,7 +477,7 @@ class SatelliteEntity {
} }
createPointUnderTheSatellite(color) { createPointUnderTheSatellite(color) {
const start = Cesium.JulianDate.fromIso8601(new Date().toISOString()) const start = Cesium.JulianDate.fromIso8601(this.startTime)
const stop = Cesium.JulianDate.addSeconds( const stop = Cesium.JulianDate.addSeconds(
start, start,
this.totalSeconds, this.totalSeconds,