How can you change the material for a box for example. How can I make something look like glass, or metallic, or like a prism. I'm thinking it has something to do with shaders. but how would I go about programming it? I don't have much knowledge with shaders.
Here's an example of what I'm trying to make (made this on my iPhone) https://vid.me/stjw
all it is is an image in the background and a 3D object rotating close to the camera, which bends the light and gives it this kaleidoscopic feel.