Lab/Pathfinder
Read the writeup →Pathfinding visualizer
Draw walls, drop weights, then watch the classic graph-search algorithms explore the grid. Built from scratch — a hand-rolled min-heap, admissible heuristics, and a compute/replay split so the animation stays smooth.
0/0
Stats
Run a search to see results.
- Algorithm
- A*
Click or drag to draw walls and weights; drag the ▸ start and ◉ end to move them. Keyboard: focus the grid, arrow keys to move, Enter toggles a wall, S/E place start/end, W a weight. Pick an algorithm and hit Run.