Surfacer: Point-and-click 2D platformers's icon

Surfacer: Point-and-click 2D platformers 0.4.0 2D Tools 3.3 Community

Submitted by user levi; MIT; 2021-06-10

**NOTE:** This framework depends the separate Scaffolder library. You'll need to add both of these libraries to your `addons/` folder. (

tl;dr: Surfacer works by pre-parsing a level into a "platform graph". The nodes are represented by points along the different surfaces in the level (floors, walls, and ceilings). The edges are represented by possible movement trajectories between points along surfaces. There are different types of edges for different types of movement (e.g., jumping from a floor to a floor, falling from a wall, walking along a floor). At run time, A* search is used to calculate a path to a given destination.

Some features include:

- Walking on floors, climbing on walls, climbing on ceilings, jumping and falling from anywhere.
- Variable-height jump and fast-fall.
- Adjusting movement trajectories around intermediate surfaces (such as jumping over a wall or around a floor).
- Configurable movement parameters on a per-player basis (e.g., horizontal acceleration, jump power, gravity, collision boundary shape and size, which types of edge movement are allowed).
- Level creation using Godot's standard pattern with a TileMap in the 2D scene editor.
- Preparsing the level into a platform graph, and using A* search for efficient path-finding at runtime.
- A powerful inspector for analyzing the platform graph, in order to debug and better understand how edges were calculated.

Probably the easiest way to get set up is to copy the Squirrel Away example app, and then adjust it to fit your needs (

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