renderTargetCamera() {
const { viewer } = this.state
const _this = this
viewer.camera.moveEnd.addEventListener(function () {
const { gpsamera, cameraHeightInit } = _this.state
let cameraHeight = cameraHeightInit
let gpsPoint = gpsamera[0][0]
if (!gpsamera) { return }
// console.log('cameraHeight--', gpsPoint, cameraHeight)
if (!cameraHeight) {
// 倾斜之后,需调整相机高度
cameraHeight = Math.round(viewer.camera.positionCartographic.height);
// viewer.zoomTo(_labelEntity, new Cesium.HeadingPitchRange(0.0, Cesium.Math.toRadians(-25.0), cameraHeight));
_this.setState({ cameraHeightInit: cameraHeight })
setTimeout(function () {
let center = Cesium.Cartesian3.fromDegrees(gpsPoint.lng, gpsPoint.lat, 1000.0);
viewer.camera.lookAt(center, new Cesium.HeadingPitchRange(0.0, -Math.PI / 4, cameraHeight));
}, 300)
}
});
}