camera, cameratest, drawNode3D squash
add to cocos2d.h
change function to const
simplify code
visiting camera
wrong parameter for visit
not export getCameras
Merge pull request #7715 from minggo/fix-video-player

Fix video player
[ci skip]
[ci skip]
add drawline
remove DrawNode3D
fix windows
Merge pull request #7702 from super626/v3_merge

Camera and Camera test