Unity- Photosphere Photo Viewer for Google Cardboard

Question

I am trying to build a Photosphere-like application with Unity3D and use it along with Google cardboard.

I need to load different panoramic view photos and be able

Answer 1

Make a sphere, write a shader so that it is not back culled and it can be seen from the inside. Use the pano image as a texture on the sphere. Place a VR camera rig in the center of the sphere. If you want true stereo, create two such spheres with separate textures for the left and right eye. Place the spheres at the lcoations of the cameras in the rig. Use layer culling so that each camera only sees the proper sphere.