Controls

Instructions

• Click a node to set Start (green ring).
• Shift+click a node to set Target (A* only).
• Drag a node to move it.
• Generate Graph makes a random graph (it won't be very neat); Load Preset (default) loads a neat layout.
• Run steps the algorithm; Speed controls pacing; Pause stops.
• Completion: green edges = shortest-path tree from Start. With A*, you’ll also see the best path to Target.
• Priority Queue shows the frontier (Dijkstra by dist, A* by f=g+h).