Setting up night lighting

Now that our scene is ready, let's play a bit with the lighting. Let's see how we can set up a nice night lighting system. We will try to create two separated setups so that it will be easy to switch from day to night.

Getting started

The first thing that we want to change is the environment. Let's go to the World Settings and rename the World to Day. Also click on the F button, as doing so will assign a fake user to the world to prevent Blender from erasing it, if it isn't in use when closing the file. Then click on the plus button on the right side and rename the new world as Night. Press the F key for the Night world as well.

How to do it…

1. Let's change the color of the Night world to a dark blue. Something like RGB 0, 0, 0.01 will be fine. Also set the Strength to 0.100.
2. Set the AO Factor to 0.050.
3. In the viewport, select the area light for the window and the sun, and move it to layer 2. To do this with the two lights selected, press...