Unity 5.x Game AI Programming Cookbook by Jorge Palacios (Packt Publishing 2016)

Author:Jorge Palacios (Packt Publishing, 2016)
Language: eng
Format: epub, mobi
Publisher: Packt Publishing

Start implementing the A* main loop:frontier.Add(node); while (frontier.Count != 0) { if (frontier.Count == 0) return new List<GameObject>(); // next steps } return new List<Vertex>();

Validate that the goal has already been reached; otherwise it's not worth computing the costs, and it would be better to continue with the usual A* algorithm:node = frontier.Remove(); if (ReferenceEquals(node.vertex, dst)) return BuildPath(src.id, node.vertex.id, ref previous); int nodeId = node.vertex.id; if (node.cost > costs[nodeId]) continue;

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