Multiple viewports

Probably this is one of the most hidden features of the engine, but APOCALYX can also support multiple viewports.

There are several kinds of viewports: first of all, the world scene can be seen from different points of view, then also other simplified 3D worlds independent from the main scene can be rendered in their own viewport. To see the feature at work, try the "Viewports.lua" demo in DemoPack1.