In the previous chapters, we managed to create a model and added a few textures and materials to make it look like an old military vehicle. The next step in order to create our third Incredible Machine is to work with lights and effects, to make the light interact with the materials and textures to give reflections, and to create other illumination effects.
An unbiased render engine is becoming very popular among 3D artists these days, but a lot of users still get confused by the way those render engines work. Before we go any further, let's take a look at how this render works to avoid any surprises. Almost all render engines today work with the so-called render threads. Render threads are small squares that render and generate the images for each sector of the image. This is the way in which almost all renderers, including the internal renderers of 3D suites such as Blender, work.
With...