Snap entities to grid tiles and block movement into collision tiles.
npx skills add https://github.com/vchelaru/FlatRedBall2 --skill grid-movement
Please help me install this Agent Skill. Skill: grid-movement Source: https://github.com/vchelaru/FlatRedBall2/tree/main/frb-skills/grid-movement Command: npx skills add https://github.com/vchelaru/FlatRedBall2 --skill grid-movement
Grid movement in tile-based games can be error-prone without strict grid snapping, input locking during moves, and pre-move collision checks. This Skill provides a pattern to keep entities aligned to tile boundaries, block movement while an animation plays, and verify destination tiles before stepping.
Implement grid-based movement by snapping spawn positions to the tile grid, processing directional input to compute a target tile, validating the target tile, then performing a tween to that tile and snapping precisely on completion.
High-intent search queries and answers about installing and using this skill.
Tile-based movement with grid snapping requires computing a target tile from directional input, validating that tile against a collision map, and then snapping the entity precisely to the destination upon completing the movement tween.
Entities skip grid tiles when input is not locked during movement. Locking input while a tile step animation plays preserves grid integrity by preventing new directional commands from interrupting or chaining the current one-tile movement.
Preventing movement into blocked collision tiles requires pre-move collision checks. You must validate the computed target tile against a tile map before initiating movement, canceling the step entirely if the destination tile is marked as blocked.
The best way to handle one-tile steps in a grid game is to process a single directional input to compute a target tile, perform a tween to that tile, and lock all further input until the tween completes to ensure strict tile alignment.
Yes, a tile map for collision checks is required. The grid movement logic depends on a tile map to verify whether a target tile is blocked, ensuring the entity only moves into valid, unobstructed grid spaces.
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