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cesium rotate image

2022-08-10 05:48:00 【Why can't I get enough to eat?】

The function implementation refers to this big guy:

Main code:

// Add model parameters are longitude, latitude, altitudeaddPic(longitude, latitude, altitude) {var entity = viewer.entities.add({// Cesium.Cartesian3.fromDegrees latitude and longitude converted to world coordinatesposition: Cesium.Cartesian3.fromDegrees(longitude, latitude, altitude),ellipse: {semiMinorAxis: 1000.0,semiMajorAxis: 1000.0,material: Cesium.Color.YELLOW.withAlpha(0.5)}});viewer.zoomTo(viewer.entities);var ellipse = entity.ellipse;ellipse.material = new Cesium.ImageMaterialProperty({//map to imageimage: require("../assets/logo.png"), //Resource addresscolor: Cesium.Color.LIGHTCYAN, //background colorrepeat: new Cesium.Cartesian2(1, 1) //Number of times to repeat in the x,y direction});// rotate effectthis.rotateMaterial(entity.ellipse, 0, 1);}
/*** @description: rotate material* @param {*} instance : entity* @param {*} _stRotation : initial material rotation angle* @param {*} _amount : amount of rotation angle change* @return {*}*/rotateMaterial(instance, _stRotation, _amount) {instance.stRotation = new Cesium.CallbackProperty(function() {_stRotation += _amount;if (_stRotation >= 360 || _stRotation <= -360) {_stRotation = 0;}return Cesium.Math.toRadians(_stRotation);}, false);},

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