![]() WFC, for example, uses min-entropy as the pick heuristic, while Model Synthesis uses a linear scan. You can get a lot of different affects with different pick/select algorithms. Townscaper tricks full#(see WFC Explained for a full description of propagation) Propagate any consequences of that tile choice, potentially removing tiles as possibilities for nearby cells.Select a particular tile for that cell, based on the list of possible tiles.Initialize a per-cell list of possible tiles. The basic operation for WFC and other constraint based generators like Model Synthesis is the following: That’s because the algorithm has determined that the that tile is not consistent with the desired change. Note how in several of these clicks, multiple tiles are changed. I’m afraid I don’t have the time to make an interactive example. I think Spirit and Stone works similarly, though I’ve not got many details. In this toy, you can click to add a block to the world, not dissimilar from a variety of marching cube based tools ( like Brick Block). The major example of Editable WFC is Townscaper. Townscaper tricks manual#This is different from most other autotilers, which either require manual configuration of patterns used to enforce good behaviour, hidden layers, or come with more stringent requirements on what tiles are available. Being constraint based, it automatically ensures that those changes are consistent with the predefined rules of the constraints, potentially making further changes to the level to make it fit.Being an autotiler, it allows users to easily and interactively make changes to an existing level.It’s a combination of autotiling and WFC, and contains the best of both: I’ve usually referred to this technique as “ editable WFC“. How to Place Things Quickly?ġ: Paintbrush mode, that just raises everything under the cursor by 1 each time it enters a ‘grid’ cell.Ģ: Pyramid Mode, like in Populous, where you click and that tile is raised by 1, and all the tiles around it are raised by 1 as well if they’re lower, rippled outward until the height is zero… Easy to make mountains, or volcanos.ģ: Flood-fill mode, similar to some city-builders, where you click and everything connected to your current position which is at the same height is all raised / lowered by 1.Ĥ: Hill mode, similar to Cities Skylines, similar to pyramid mode, but the ‘peak’ is wider and the falloff follows a sigmoid curve.ĥ: Line-mode, you click the start of a line, and then the end of a line.Ħ: Mass-raise mode, you click a location and everything connected to that location that’s not “in the sea” is raised up by 1.When I spoke about autotiling, I briefly touched on how it’s possible to use Wave Function Collapse (or other constraint based generators) as a form of autotiling, i.e. Pick colors from the palette, plop down colored blocks of house on the irregular grid, and watch Townscaper’s underlying algorithm automatically turn those blocks into cute little houses, arches, stairways, bridges and lush backyards, depending on their configuration. Townscaper is an experimental passion project. Just plenty of building and plenty of beauty. Build small hamlets, soaring cathedrals, canal networks, or sky cities on stilts. Townscaperīuild quaint island towns with curvy streets. Townscaper tricks how to#A guide on how to place things quickly in Townscaper. ![]()
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