rexrainbow/phaser3-rex-notes/rexboard-movement-and-pathfinding

RexBoard Movement And Pathfinding

Use this skill for moving board chess and planning paths across RexBoard tiles.

Use This First

Choose the movement tool:

Most tactical movement uses both: pathfind first, then move step-by-step.

Required Setup

This skill assumes the moving chess is already on a RexBoard board. If not, use rexboard-board-and-chess.

References

Read these only when needed:

• references/moveto-config.md: MoveTo config, methods, runtime setters, and events.
• references/pathfinder-config.md: PathFinder config, path modes, cost callbacks, and query APIs.
• references/blockers-and-costs.md: occupied tests, blocker tests, moveable tests, and cost semantics.
• references/movement-recipes.md: reduced recipes for moving toward a tile, following a path, and reachable tiles.

Core Rules

• MoveTo needs a chess game object already registered on a board.
• PathFinder can be constructed with a game object or config; call setChess(gameObject) when created detached.
• Keep occupiedTest, blockerTest, and custom tests separate.
• Use PathFinder.BLOCKER/INFINITY from the instance in callbacks instead of hard-coded sentinel values.
• Use board occupancy and tileZ conventions consistently between movement and pathfinding.

Source File Map

• plugins/board/moveto/MoveTo.d.ts: movement config, methods, and callback types.
• plugins/board/pathfinder/PathFinder.d.ts: path config, path modes, costs, and query methods.
• plugins/board/moveto/Factory.js: moveTo factory signature.
• plugins/board/pathfinder/Factory.js: pathFinder factory signatures.
• plugins/board/moveto/methods/*.js: inspect only when movement behavior is unclear.

Related Skills

• rexboard-board-and-chess: board occupancy, tileZ, and chess placement.
• rexboard-grids-and-coordinates: directions, neighbors, distance, and wrap behavior.
• rexboard-visibility-and-routes: LOS and Monopoly route traversal.
• rexboard-miniboard-and-composite: MiniBoard-specific movement workflows.

Gotchas

• sneak affects movement occupancy behavior; do not use it unless game rules require passing through occupied tiles.
• MoveTo mutates board chess position before the visual tween completes; account for this when checking occupancy during movement.
• wrap can make a neighbor move render as split movement across board edges.