In Grimmstar, you’re able to travel throughout an entire solar system as you deem best fit. Each solar system is their own level within the progression system of the game and with so much space for points of interest, the possibilities are nearly limitless. In order to achieve this, we had to utilize Unreal’s World Composition. This allows us to stream levels in and out as we see fit for better resource management. Adding to that, with Unreal’s World Origin Rebasing, we’re able to keep calculations for everything around the player precise, no matter how far they travel across the galaxy.
For a quick overview of how we achieved this, we’ve created a high-level tutorial that can be seen here:
