Add documentation for calculatedWidth/calculatedHeight
Add documentation for calculatedWidth/calculatedHeight

MicroWorldwide/PlayCanvas,aidinabedi/playcanvas-engine,playcanvas/engine,aidinabedi/playcanvas-engine,MicroWorldwide/PlayCanvas,sereepap2029/playcanvas,sereepap2029/playcanvas,sereepap2029/playcanvas,playcanvas/engine