Clone uniform matrices for comparison on set instead of using the Float32Array.
Clone uniform matrices for comparison on set instead of using the Float32Array.

YonatanKra/cesium,CesiumGS/cesium,soceur/cesium,likangning93/cesium,progsung/cesium,geoscan/cesium,soceur/cesium,jasonbeverage/cesium,hodbauer/cesium,soceur/cesium,AnalyticalGraphicsInc/cesium,AnalyticalGraphicsInc/cesium,CesiumGS/cesium,likangning93/cesium,likangning93/cesium,CesiumGS/cesium,josh-bernstein/cesium,likangning93/cesium,josh-bernstein/cesium,YonatanKra/cesium,geoscan/cesium,CesiumGS/cesium,YonatanKra/cesium,progsung/cesium,hodbauer/cesium,YonatanKra/cesium,likangning93/cesium,hodbauer/cesium,kaktus40/cesium,jasonbeverage/cesium,kaktus40/cesium,CesiumGS/cesium