import * as Cesium from 'cesium'
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import aircraftGltf from '@/assets/gltf/aircraft.gltf'
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import CreateFrustum from '@/utils/cesium/frustum/CreateFrustum'
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export function useTaskViewInfo (viewer, wsInfo) {
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const newViewer = isRef(viewer) ? viewer : ref(viewer)
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let viewInfoFrustum
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// 设置视椎
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const setCreateFrustum = (host) => {
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if (!host) return
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viewInfoFrustum?.clear()
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const attitude_head = 180 + host.attitude_head
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const gimbal_pitch = 90 - Number(host?.payloads[0]?.gimbal_pitch) || 0
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viewInfoFrustum = new CreateFrustum(newViewer.value, {
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position: {
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longitude: host.longitude,
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latitude: host.latitude,
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altitude: host.height,
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},
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width: 30,
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height: 30,
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fov: 20.0,
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near: 3.0,
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far: 250.0,
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roll: gimbal_pitch,
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pitch: 0,
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heading: attitude_head,
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})
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}
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function setAircraftGltf () {
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const host = deviceOsdInfo.value?.data?.host
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const aircraftEntity = newViewer.value?.entities.getById('aircraftGltf')
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const position = Cesium.Cartesian3.fromDegrees(host.longitude, host.latitude, host.height)
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if (aircraftEntity) {
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aircraftEntity.position = new Cesium.ConstantPositionProperty(position)
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return
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}
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newViewer.value?.entities.add({
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id: 'aircraftGltf',
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position,
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model: {
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uri: aircraftGltf, // 或 .glb
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scale: 1.0, // 缩放比例
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minimumPixelSize: 64, // 最小像素尺寸（保证模型远处可见）
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maximumScale: 128, // 最大缩放（可选）
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},
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})
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}
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// 视椎加载处理
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const deviceOsdInfo = computed(() => wsInfo.value?.device_osd)
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watch(
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[
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() => deviceOsdInfo.value,
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() => newViewer.value
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],
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(
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[curDeviceOsdInfo, curViewer],
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) => {
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const host = deviceOsdInfo.value?.data?.host
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if (!curViewer) return
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if ([14, 0].includes(host.mode_code)) {
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mapEntityRemove()
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return
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}
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setCreateFrustum(host)
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setAircraftGltf()
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}
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)
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const mapEntityRemove = () => {
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viewInfoFrustum?.clear()
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newViewer.value?.entities.removeById('aircraftGltf')
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}
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onUnmounted(() => {
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mapEntityRemove()
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})
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}
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