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using UnityEngine;
using Pathfinding.Drawing;
namespace Pathfinding {
/// <summary>
/// Moves an agent in a circle around a point.
///
/// This script is intended as an example of how you can make an agent move in a circle.
/// In a real game, you may want to replace this script with your own custom script that is tailored to your game.
/// The code in this script is simple enough to copy and paste wherever you need it.
///
/// [Open online documentation to see videos]
///
/// See: move_in_circle (view in online documentation for working links)
/// See: <see cref="AIDestinationSetter"/>
/// See: <see cref="FollowerEntity"/>
/// See: <see cref="AIPath"/>
/// See: <see cref="RichAI"/>
/// See: <see cref="AILerp"/>
/// </summary>
[UniqueComponent(tag = "ai.destination")]
[AddComponentMenu("Pathfinding/AI/Behaviors/MoveInCircle")]
/// <summary>[MoveInCircle]</summary>
[HelpURL("https://arongranberg.com/astar/documentation/stable/moveincircle.html")]
public class MoveInCircle : VersionedMonoBehaviour {
/// <summary>Target point to rotate around</summary>
public Transform target;
/// <summary>Radius of the circle</summary>
public float radius = 5;
/// <summary>Distance between the agent's current position, and the destination it will get. Use a negative value to make the agent move in the opposite direction around the circle.</summary>
public float offset = 2;
IAstarAI ai;
void OnEnable () {
ai = GetComponent<IAstarAI>();
}
void Update () {
var normal = (ai.position - target.position).normalized;
var tangent = Vector3.Cross(normal, target.up);
ai.destination = target.position + normal * radius + tangent * offset;
}
public override void DrawGizmos () {
if (target) Draw.Circle(target.position, target.up, radius, Color.white);
}
}
/// <summary>[MoveInCircle]</summary>
}
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