Use document body offset height and width instead of window inner height and width to fix #3525
Use document body offset height and width instead of window inner height and width to fix #3525

chenzlabs/aframe,dmarcos/aframe,ngokevin/aframe,aframevr/aframe,ngokevin/aframe,aframevr/aframe,RSpace/aframe,dmarcos/aframe,RSpace/aframe,chenzlabs/aframe