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Drag the green node to set the start position.
Drag the red node to set the end position.
Click on the white grid and drag to draw walls.
After drawing walls, click on the Draw Stops button.
Click on the white grid to draw pink stops.
Choose an algorithm from the right-hand panel.
Click Start Search in the lower-right corner to start the animation.
Bidirectional finder works only on the standard functionality.
Read the readme file on GitHub to understand visitation and stop nodes.