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cesium-map-object
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实体防抖

master
ctw 2 months ago
parent
f449ed201d
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5f74876ca8
1 changed files with 107 additions and 20 deletions
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  1. 127
      ruoyi-ui/src/views/cesiumMap/index.vue

127
ruoyi-ui/src/views/cesiumMap/index.vue
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@ -216,7 +216,11 @@ export default {
PLATFORM_ROTATE_HANDLE_OFFSET_DEG: 0.0009,
PLATFORM_DRAG_THRESHOLD_PX: 10,
DESIRED_BOX_HALF_PX: 58,
DESIRED_ROTATE_OFFSET_PX: 50
DESIRED_ROTATE_OFFSET_PX: 50,
// 实体点击防抖，避免双击误触导致相机高度剧烈变化
entityClickDebounceTimer: null,
lastEntityClickTime: 0,
cameraStateBeforeEntityClick: null
}
},
components: {
@ -1704,6 +1708,15 @@ export default {
}
this.loadOfflineMap()
this.setup2DConstraints()
// 移除 Cesium 自带的双击缩放，使双击实体/空白均无任何效果
try {
const handler = this.viewer.screenSpaceEventHandler || (this.viewer.cesiumWidget && this.viewer.cesiumWidget.screenSpaceEventHandler)
if (handler) {
handler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK)
}
} catch (e) {
// 部分版本可能无此 action，忽略
}
// 初始视野：中国中心（仅中国瓦片时无需世界瓦片，国外区域会无瓦片显示为空白）
this.viewer.camera.setView({
destination: Cesium.Cartesian3.fromDegrees(116.3974, 39.9093, 12000000),
@ -1721,7 +1734,7 @@ export default {
this.initMouseCoordinates()
console.log('Cesium离线二维地图已加载')
// 1. 定义全局拾取处理器
// 1. 定义全局拾取处理器（含防抖，避免双击误触导致相机高度剧烈变化）
this.handler = new Cesium.ScreenSpaceEventHandler(this.viewer.scene.canvas);
this.handler.setInputAction((click) => {
// 隐藏右键菜单
@ -1735,31 +1748,69 @@ export default {
const idStr = (entity && entity.id) ? entity.id : '';
if (idStr && (idStr.endsWith('-rotate-handle') || idStr.indexOf('-scale-') !== -1)) return;
const platformIconData = this.allEntities.find(e => e.type === 'platformIcon' && e.entity === entity);
if (platformIconData) return;
// --- 修正后的安全日志 ---
console.log(">>> [点击检测] 实体ID:", entity.id);
// 获取属性时必须传入当前仿真时间
const now = Cesium.JulianDate.now();
const props = entity.properties ? entity.properties.getValue(now) : null;
console.log(">>> [点击检测] 业务数据详情:", props);
if (props && props.isMissionWaypoint) {
const dbId = props.dbId;
const routeId = props.routeId;
console.log(`>>> [地图触发] 点击了点 ${dbId}, 属于航线 ${routeId}`);
// 关键：把航线 ID 也传给父组件
this.$emit('open-waypoint-dialog', dbId, routeId);
} else if (props && props.isMissionRouteLine) {
const routeId = props.routeId;
console.log(`>>> [地图触发] 点击了航线 ${routeId}`);
// 触发航线编辑弹窗事件
this.$emit('open-route-dialog', routeId);
const isWaypoint = props && props.isMissionWaypoint;
const isRouteLine = props && props.isMissionRouteLine;
const isPlatformIcon = !!platformIconData;
// 仅对航线、航点、平台图标做防抖与相机保存（其它实体不处理）
if (!isWaypoint && !isRouteLine && !isPlatformIcon) return;
const nowMs = Date.now();
// 防抖：若与上次点击间隔过短，视为双击，仅清除定时器不触发弹窗
if (nowMs - this.lastEntityClickTime < 300) {
if (this.entityClickDebounceTimer) {
clearTimeout(this.entityClickDebounceTimer);
this.entityClickDebounceTimer = null;
}
this.lastEntityClickTime = 0;
return;
}
this.lastEntityClickTime = nowMs;
this.saveCameraStateBeforeEntityClick();
if (this.entityClickDebounceTimer) clearTimeout(this.entityClickDebounceTimer);
const dbId = isWaypoint ? props.dbId : null;
const routeId = isWaypoint ? props.routeId : (isRouteLine ? props.routeId : null);
if (isWaypoint || isRouteLine) {
this.entityClickDebounceTimer = setTimeout(() => {
this.entityClickDebounceTimer = null;
this.lastEntityClickTime = 0;
if (isWaypoint) {
console.log(`>>> [地图触发] 点击了点 ${dbId}, 属于航线 ${routeId}`);
this.$emit('open-waypoint-dialog', dbId, routeId);
} else if (isRouteLine) {
console.log(`>>> [地图触发] 点击了航线 ${routeId}`);
this.$emit('open-route-dialog', routeId);
}
}, 250);
}
}
}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
// 双击实体时恢复相机，避免误触导致地图放大过多
this.handler.setInputAction((click) => {
if (this.isDrawing) return;
const pickedObject = this.viewer.scene.pick(click.position);
if (!Cesium.defined(pickedObject) || !pickedObject.id) return;
const entity = pickedObject.id;
const idStr = (entity && entity.id) ? entity.id : '';
if (idStr && (idStr.endsWith('-rotate-handle') || idStr.indexOf('-scale-') !== -1)) return;
const platformIconData = this.allEntities.find(e => e.type === 'platformIcon' && e.entity === entity);
const now = Cesium.JulianDate.now();
const props = entity.properties ? entity.properties.getValue(now) : null;
const isEntity = platformIconData || (props && (props.isMissionWaypoint || props.isMissionRouteLine));
if (isEntity && this.cameraStateBeforeEntityClick) {
this.restoreCameraStateAfterEntityDoubleClick();
if (this.entityClickDebounceTimer) {
clearTimeout(this.entityClickDebounceTimer);
this.entityClickDebounceTimer = null;
}
this.lastEntityClickTime = 0;
}
}, Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
} catch (error) {
console.error('地图错误:', error)
// 如果Cesium加载失败，显示错误信息
@ -2140,6 +2191,32 @@ export default {
controller.enableLook = false
scene.screenSpaceCameraController.maximumPitch = 0
scene.screenSpaceCameraController.minimumPitch = 0
// 限制最小相机高度，防止双击时地图放大过多（单位：米）
controller.minimumZoomDistance = 2000
},
/** 在可能触发缩放的实体点击前保存相机状态，供双击时恢复 */
saveCameraStateBeforeEntityClick() {
if (!this.viewer || !this.viewer.camera) return
const cam = this.viewer.camera
const carto = cam.positionCartographic
this.cameraStateBeforeEntityClick = {
longitude: carto.longitude,
latitude: carto.latitude,
height: carto.height,
heading: cam.heading,
pitch: cam.pitch,
roll: cam.roll
}
},
/** 双击实体后恢复相机，避免误触导致地图放大过多 */
restoreCameraStateAfterEntityDoubleClick() {
if (!this.viewer || !this.viewer.camera || !this.cameraStateBeforeEntityClick) return
const s = this.cameraStateBeforeEntityClick
this.viewer.camera.setView({
destination: Cesium.Cartesian3.fromRadians(s.longitude, s.latitude, s.height),
orientation: { heading: s.heading, pitch: s.pitch, roll: s.roll }
})
this.cameraStateBeforeEntityClick = null
},
loadOfflineMap() {
this.viewer.imageryLayers.removeAll()
@ -4862,6 +4939,16 @@ export default {
destroyViewer() {
this.stopDrawing()
this.clearAll(false)
if (this.entityClickDebounceTimer) {
clearTimeout(this.entityClickDebounceTimer)
this.entityClickDebounceTimer = null
}
this.lastEntityClickTime = 0
this.cameraStateBeforeEntityClick = null
if (this.handler) {
this.handler.destroy()
this.handler = null
}
if (this.pointMovementHandler) {
this.pointMovementHandler.destroy()

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