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sdk4.0/src/Draw/drawAttackArrow.js

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2025-07-03 13:54:01 +08:00
/**
* @name: drawAttackArrow
* @author: Administrator
* @date: 2022-06-15 16:38
* @descriptiondrawAttackArrow
* @update: 2022-06-15 16:38
*/
import Draw from './draw'
import MouseTip from '../MouseTip'
import MouseEvent from '../Event'
export default class DrawAttackArrow extends Draw {
constructor(sdk, options = {}) {
super(sdk, options)
}
static create_arrow_polygon(that, viewer = that.viewer) {
that.entityHasCreated = true
let id = that.randomString()
viewer.entities.add(
new Cesium.Entity({
id: id,
polygon: {
classificationType: Cesium.ClassificationType.BOTH,
hierarchy: new Cesium.CallbackProperty((e) => {
let arr = that.computeAttackArrow(that.positions)
for (let i = 0; i < arr.length; i++) {
if (isNaN(arr[i].x)) {
arr = []
break
}
}
return new Cesium.PolygonHierarchy(arr)
}, false),
material: Cesium.Color.fromCssColorString(that.color),
zIndex: 99999999
},
})
)
return id
}
start(cb) {
if (YJ.Measure.GetMeasureStatus()) {
cb('上一次测量未结束')
} else {
super.start()
let into
YJ.Measure.SetMeasureStatus(true)
this.tip = new MouseTip('左键确定右键结束CTRL+右键撤销', this.sdk)
this.event = new MouseEvent(this.sdk)
this.positions = []
this.points_ids = [] //存放左键点击时临时添加的point的id
let cache_positions = []
let isMove = false
this.event.mouse_left((movement, cartesian) => {
if(into === '2D') {
return
}
into = '3D'
if (!this.entityHasCreated) {
let polyline_id = DrawAttackArrow.create_arrow_polygon(this)
this.points_ids.push(polyline_id)
}
this.points_ids.push(this.create_point(cartesian))
cache_positions.push(this.cartesian3Towgs84(cartesian, this.viewer))
isMove = false
})
this.event.mouse_right((movement, cartesian) => {
if(into === '2D') {
return
}
let c = []
if (this.points_ids.length > 2) {
let positions = this.viewer.entities.getById(this.points_ids[0]).polygon.hierarchy.getValue().positions
positions.forEach(it => {
c.push(this.cartesian3Towgs84(it, this.viewer))
})
}
this.end()
if (isMove) {
this.positions.pop()
}
cb(null, this.positions, c)
})
this.event.mouse_move((movement, cartesian) => {
if(into === '2D') {
return
}
isMove = true
this.positions = cache_positions.concat(
this.cartesian3Towgs84(cartesian, this.viewer)
)
this.tip.setPosition(
cartesian,
movement.endPosition.x,
movement.endPosition.y
)
})
this.event.mouse_right_keyboard_ctrl((movement, cartesian) => {
if(into === '2D') {
return
}
if (this.points_ids.length > 1) {
this.remove_entity(this.points_ids.pop()) //移除point
cache_positions.pop()
}
})
this.event.gesture_pinck_start_keyboard_ctrl(() => {
if(into === '2D') {
return
}
if (this.points_ids.length > 1) {
this.remove_entity(this.points_ids.pop()) //移除point
cache_positions.pop()
}
})
this.event.gesture_pinck_start((movement, cartesian) => {
if(into === '2D') {
return
}
let startTime = new Date()
this.event.gesture_pinck_end(() => {
let endTime = new Date()
if (endTime - startTime >= 500) {
let c = []
if (this.points_ids.length > 2) {
let positions = this.viewer.entities.getById(this.points_ids[0]).polygon.hierarchy.getValue().positions
positions.forEach(it => {
c.push(this.cartesian3Towgs84(it, this.viewer))
})
}
this.end()
cb(null, this.positions, c)
}
else {
if (!this.entityHasCreated) {
let polyline_id = DrawAttackArrow.create_arrow_polygon(this)
this.points_ids.push(polyline_id)
}
this.points_ids.push(this.create_point(cartesian))
cache_positions.push(this.cartesian3Towgs84(cartesian, this.viewer))
this.positions = cache_positions.concat(
this.cartesian3Towgs84(cartesian, this.viewer)
)
this.tip.setPosition(
cartesian,
(movement.position1.x + movement.position2.x) / 2,
(movement.position1.y + movement.position2.y) / 2
)
}
})
})
if (!this._is2D && this._sdk2D) {
this.event2D = new MouseEvent(this._sdk2D)
this.event2D.mouse_left((movement, cartesian) => {
if(into === '3D') {
return
}
into = '2D'
if (!this.entityHasCreated) {
let polyline_id = DrawAttackArrow.create_arrow_polygon(this, this._sdk2D.viewer)
this.points_ids.push(polyline_id)
}
this.points_ids.push(this.create_point(cartesian, this._sdk2D.viewer))
cache_positions.push(this.cartesian3Towgs84(cartesian, this.viewer))
isMove = false
})
this.event2D.mouse_right((movement, cartesian) => {
if(into === '3D') {
return
}
let c = []
if (this.points_ids.length > 2) {
let positions = this.event2D.viewer.entities.getById(this.points_ids[0]).polygon.hierarchy.getValue().positions
positions.forEach(it => {
c.push(this.cartesian3Towgs84(it, this.viewer))
})
}
this.end()
if (isMove) {
this.positions.pop()
}
cb(null, this.positions, c)
})
this.event2D.mouse_move((movement, cartesian) => {
if(into === '3D') {
return
}
isMove = true
this.positions = cache_positions.concat(
this.cartesian3Towgs84(cartesian, this.viewer)
)
this.tip.setPosition(
cartesian,
movement.endPosition.x + this.viewer.canvas.width,
movement.endPosition.y
)
})
this.event2D.mouse_right_keyboard_ctrl((movement, cartesian) => {
if(into === '3D') {
return
}
if (this.points_ids.length > 1) {
this.remove_entity(this.points_ids.pop()) //移除point
cache_positions.pop()
}
})
this.event2D.gesture_pinck_start_keyboard_ctrl(() => {
if(into === '3D') {
return
}
if (this.points_ids.length > 1) {
this.remove_entity(this.points_ids.pop()) //移除point
cache_positions.pop()
}
})
this.event2D.gesture_pinck_start((movement, cartesian) => {
if(into === '3D') {
return
}
let startTime = new Date()
this.event2D.gesture_pinck_end(() => {
let endTime = new Date()
if (endTime - startTime >= 500) {
let c = []
if (this.points_ids.length > 2) {
let positions = this.viewer.entities.getById(this.points_ids[0]).polygon.hierarchy.getValue().positions
positions.forEach(it => {
c.push(this.cartesian3Towgs84(it, this.viewer))
})
}
this.end()
cb(null, this.positions, c)
}
else {
if (!this.entityHasCreated) {
let polyline_id = DrawAttackArrow.create_arrow_polygon(this, this._sdk2D.viewer)
this.points_ids.push(polyline_id)
}
this.points_ids.push(this.create_point(cartesian, this._sdk2D.viewer))
cache_positions.push(this.cartesian3Towgs84(cartesian, this.viewer))
this.positions = cache_positions.concat(
this.cartesian3Towgs84(cartesian, this.viewer)
)
this.tip.setPosition(
cartesian,
((movement.position1.x + movement.position2.x) / 2) + this.viewer.canvas.width,
(movement.position1.y + movement.position2.y) / 2
)
}
})
})
}
}
}
}