I actually been used HDRI as skybox back then, but it wasn’t really good cause older Unity doesn’t has GI. Now Unity 5 has GI, so HDRI is good too for Unity.
You’ll need HDRI Image (JPG, if it’s hdr or exr, you have to convert it first), and Unity 5.
- First, if your HDRI is not JPG yet, then convert it to JPG by set the channel to 8bit.
- Import your JPG HDRI to Unity. Remember, 4000px is enough, cause you’ll get 2048px in Unity. Set your HDRI to Cubemap and Cubemap type to cylindrical or latitude bla bla bla…
- Now create a material. Click Assets > Create > Material
- Set your material shader to Skybox > Cubemap
- Now drag your HDRI Cubemap to skybox cubemap.
- Now open Lighting tab, and drag your HDRI Material to skybox. Sometimes it might happens like this, but to fix it just change the cubemap type to Cylindrical (in this screenshot, I set it to Spherical).
Yep, it’s really simple. Simple as any other 3D programs.