In this tutorial, we will create a curved road tool. Simply click on the spline to add a new point, then drag to adjust and shape the curve. We will generate a procedural road network based on the curve and update the pathfinding algorithm to support splines.
https://dev.epicgames.com/community/learning/tutorials/O4ao/unreal-engine-ai-vehicle-tutorial-10-creating-a-curved-road-network
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