RectangularSensor not working properly in cesium 1.47

1. A concise explanation of the problem you're experiencing.

2. A minimal code example. If you've found a bug, this helps us reproduce and repair it.

3. Context. Why do you need to do this? We might know a better way to accomplish your goal.

4. The Cesium version you're using, your operating system and browser.

1. A concise explanation of the problem you're experiencing.

RectangularSensor plugin :https://github.com/AnalyticalGraphicsInc/cesium-sensors

2. A minimal code example. If you've found a bug, this helps us reproduce and repair it.

3. Context. Why do you need to do this? We might know a better way to accomplish your goal.

4. The Cesium version you're using, your operating system and browser.

Hi there,

The cesium-sensors plugin is no longer supported, and will not work with current versions of Cesium. If you need the sensors functionality, contact Tim Rivenbark, tim@cesium.com.

Thanks!

Gabby