How do you implement AI pathfinding in iOS games using GameplayKit?

Problem Faced:
Developers often face AI movement issues, such as characters getting stuck on obstacles or choosing inefficient paths.

Solution:

• Use GKGraph and GKGridGraph for grid-based navigation.
• Implement GKAgent and GKBehavior to handle movement dynamically.
• Optimize pathfinding using GKObstacleGraph to account for static obstacles.
• Cache paths instead of recalculating them every frame.

let graph = GKGridGraph(fromGridStartingAt: vector_int2(0, 0), width: 10, height: 10, diagonalsAllowed: false)
let startNode = graph.node(atGridPosition: vector_int2(0, 0))
let endNode = graph.node(atGridPosition: vector_int2(9, 9))
let path = graph.findPath(from: startNode!, to: endNode!) as! [GKGridGraphNode]

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