The Sky's the Limit: Adding a Skybox

You've got a first pass at a level layout. Fantastic. But raise your hand if you're tired of looking at the default Unity scene background.

Just for fun and to add a bit of flavor to our level, let's add in a free sci-fi skybox. In your browser, go to the Asset Store and search for *FREE* Skyboxes - Sci-Fi & Fantasy. Go ahead and select Add to My Assets, then Open in Unity and Import it into your SpaceEscape project.

Er, what's a skybox?

A skybox (and its sibling the skydome) is a visual effect that simulates being outdoors and having a huge open sky overhead. A skybox is a cube with a different texture on each inside face. The seams between the textures don't show, so the sky texture looks continuous. When you use a skybox to render a sky, Unity essentially places your Scene inside the skybox cube exactly at the center. Unity renders the skybox first, so the sky always renders in the...