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修改飞线高度

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This commit is contained in:
夏大胆
2025-07-17 17:32:55 +08:00
parent 8b00dcd56e
commit 3b5b026d43
1 changed files with 11 additions and 4 deletions
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15
src/Obj/Base/FlowLine/index.js
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@ -89,6 +89,7 @@ class FlowLine extends Base {
const minLat = Math.min(...lats), maxLat = Math.max(...lats); const minLat = Math.min(...lats), maxLat = Math.max(...lats);
const points = []; const points = [];
let that = this
while (points.length < count) { while (points.length < count) {
const lon = minLon + Math.random() * (maxLon - minLon); const lon = minLon + Math.random() * (maxLon - minLon);
const lat = minLat + Math.random() * (maxLat - minLat); const lat = minLat + Math.random() * (maxLat - minLat);
@ -100,9 +101,14 @@ class FlowLine extends Base {
const isInside = turf.booleanPointInPolygon(point, polygon); const isInside = turf.booleanPointInPolygon(point, polygon);
if (isInside) { if (isInside) {
let posi = Cesium.Cartesian3.fromDegrees(lon, lat);
const cartographic = that.viewer.scene.globe.ellipsoid.cartesianToCartographic(posi);
const height = cartographic.height;
points.push([ points.push([
lon, lon,
lat lat,
height
]); ]);
} }
} }
@ -126,9 +132,10 @@ class FlowLine extends Base {
positions.forEach((item, index) => { positions.forEach((item, index) => {
let point = item let point = item
//根据点设置起始点位置 //根据点设置起始点位置
let start = Cesium.Cartesian3.fromDegrees(point[0], point[1], 0) // let start = Cesium.Cartesian3.fromDegrees(point[0], point[1], 0)
let start = Cesium.Cartesian3.fromDegrees(point[0], point[1], point[2])
//根据点设置结束点位置 //根据点设置结束点位置
let end = Cesium.Cartesian3.fromDegrees(point[0], point[1], that.options.height + Math.random() * that.options.heightDifference) let end = Cesium.Cartesian3.fromDegrees(point[0], point[1], point[2] + that.options.height + Math.random() * that.options.heightDifference)
//创建线 //创建线
that.viewer.entities.add({ that.viewer.entities.add({
parent: celiangEntity, parent: celiangEntity,
@ -425,7 +432,7 @@ class FlowLine extends Base {
let a = Cesium.Cartesian3.fromDegrees( let a = Cesium.Cartesian3.fromDegrees(
this.positions[i][0], this.positions[i][0],
this.positions[i][1], this.positions[i][1],
this.options.height + this.options.heightDifference / 2 this.positions[i][2] + this.options.height + this.options.heightDifference / 2
) )
positionArray.push(a.x, a.y, a.z) positionArray.push(a.x, a.y, a.z)
} }