Cesium-Examples/examples/cesiumEx/1.21、限制视角.html
2025-03-19 11:00:22 +08:00

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HTML

<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<link rel="stylesheet" href="./../../libs/cesium/Cesium1.98/Widgets/widgets.css">
<script type="text/javascript" src="./../../libs/cesium/Cesium1.98/Cesium.js"></script>
</head>
<body style="margin: 0; overflow: hidden; background: #fff; width: 100%; height: 100%; position: absolute; top: 0">
<div id="map" style="margin: 0 auto; width: 100%; height: 100%"></div>
<script type="text/javascript">
Cesium.Ion.defaultAccessToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI3ZjQ5ZGUzNC1jNWYwLTQ1ZTMtYmNjYS05YTY4ZTVmN2I2MDkiLCJpZCI6MTE3MTM4LCJpYXQiOjE2NzY0NDUyODB9.ZaNSBIfc1sGLhQd_xqhiSsc0yr8oS0wt1hAo9gbke6M'
const viewer = new Cesium.Viewer('map', {});
viewer.scene.debugShowFramesPerSecond = true;
viewer.clock.onTick.addEventListener(() => {
let pitch = Cesium.Math.toDegrees(viewer.camera.pitch);
if (pitch > -30) {
pitch = -30;
contrlDea()
} else if (pitch < -90) {
pitch = -90
contrlDea()
}
viewer.camera.setView({
orientation: {
heading: viewer.camera.heading,
pitch: Cesium.Math.toRadians(pitch),
roll: viewer.camera.roll
}
});
// contrlDea()
})
function contrlDea() {
const cameraController = viewer.scene.screenSpaceCameraController;
cameraController, enableLook = false;//禁用惯性滚动
cameraController.enableTranslate = false;//禁用惯性平移
cameraController.enableRotate = false;//禁用旋转性
cameraController.enableZoom = false;//禁用缩放性
cameraController.enableTilt = false;//禁用俯仰惯性
cameraController.enableInputs = true;
// allowDea()
}
function allowDea(){
const cameraController = viewer.scene.screenSpaceCameraController;
cameraController, enableLook = true;//禁用惯性滚动
cameraController.enableTranslate = true;//禁用惯性平移
cameraController.enableRotate = true;//禁用旋转性
cameraController.enableZoom = true;//禁用缩放性
cameraController.enableTilt = true;//禁用俯仰惯性
// cameraController.enableInputs = false;
}
</script>
</body>
</html>