Exploring Rising World Limits

  • Hellow everyone, sSo, playing in new version I just wanted to know - how large game world is? How far you can travel from the center? How big constructions you can build?

    And to answer these questions I started experiments. Probably they can help you to understand some things behind game engine.

    Question 1 - how large is game world?

    The answer is - really large, but with some limitations. So, here is a series of images that I made. I teleported myself on different distances to see how the game will work with it. To make numbers readable I will split them by digits.

    Distances below 10.000 units are almost fine, I will not post screens with them (they are just gravel desert). Since 100.000 the only one interesting effect will be some small offsets in character animations and other small bugs, but since 1.000.000 units we starting get interesting things.

    First noticeable change is textures - they get distortion in one cardinal direction - the same direction where are we traveling. Same changes affect not only textures, but also player movement, grid and building. Construction elements will look almost fine except some small offsets on new elements during building. Player animations will work, but they will look incorrect (object intersections, strange movements).

    If you are wandering why we see these things the answer is simple - engine is calculating everything in absolute space (starting from zero), and all thing that use float numbers loosing their precision with distance. As far we travels - the worser things will become.

    On 10.000.000 units and larger things starting get more weird. Textures are more and more distorted. On units some chunks are missing - we are on the limit of the game distances. If we will reach distances larger than the game will crash.

    But this will happen if we will travel horizontally. What about vertical movement?

    Question 2 - how tall is game world?

    Unlike horizontal movement teleportation on any height will not cause game crash even if we reach units. I didn't test numbers larger than that, but there will probably also be a limit with buffer overflow.

    The lower world limit is approximately -750 units or 12 chunks below zero coordinate. Below that point terrain will not generate and there will be infinity orange void. Same orange shading starts a bit earlier and this is "the hell" location of the game (in survival you will die very fast here). Void is endless, so you can try to fall into it. I reached speed near 6 km/s after falling for some minutes. You will get same animation glitches as with far traveling in forizontal axis (due to same reasons - lost of precision), but the game will work fine.

    What about upper limit? Well, it is a bit more interesting than void below world. Terrain itself probably stops generation on same depth as the bottom, but with positive sign. Above terrain there is also endless void, but it has interesting effects.

    If you will travel far above world you will see that the world looks like a planet with blue atmosphere with galaxies and stars around in the sky. The upper distance don't have limit (same as distance into void below world), so if you will travel far away you will see how planet becomes smaller and smaller.

  • Question 3 - how big constructions you can make?

    Construction elements have very effective rendering, but any renderer has its limits. So, how many elements you can add into your constructions to make the game lag?

    The answer is - near 3-4 million of elements. This value can be different for different users, so this is my values that I get during my experiments with Menger sponges.

    If you will construct menger sponge with 6 iterations - you will get cube with 3.2M parts.

    This is a very huge construction. If you will try to place it with blueprint - it can take 15 minutes to place it in game. Most player-made things will be much smaller than it.

    So, if you want to build something massive like this will this make the whole world lagging? Answer is - no. If you build such thing - you can just look into another direction and your FPS will become stable again. This is a result of thing named culling which don't allow invisible things render and waste your memory

  • Question 4 - how tall constructions you can make?

    Answer is 1090 units. This is the largest height that you can reach in building things. Any element cannot be placed upper than that. So the height allows you to build even the largest world buildings in 1x1 scale.

  • Thanks a lot for sharing your findings! :):thumbup::thumbup:

    If you will travel far above world you will see that the world looks like a planet with blue atmosphere with galaxies and stars around in the sky

    Hehe, I'm surprised that barely anyone has found the orbit yet :lol: The orbit is a specific location (similar to hell). Atmosphere slowly fades away at Y 4000, and at Y 5000, you're entirely in orbit. This also has an effect on ambience sounds and gravity (it is a lot lower there - this is noticable when throwing items away).

    However, this area is still work-in-progress - that's why the planet looks a bit dull there. This will definitely change in the future :D Maybe we will also enable people to build there, but that's a low priority feature right now ^^

    Since when you can leave the planet =O 8|

    Basically this is possible since the original demo release :D But unfortunately there isn't much to do there yet :saint:

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