这是第一个 Unity 开放项目的repo,是 Unity 和社区合作创建的一个小型开源游戏演示,第一款游戏是一款名为 Chop Chop 的动作冒险游戏。
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51 行
1.3 KiB

using UnityEngine;
using UnityEngine.AI;
using UOP1.StateMachine;
using UOP1.StateMachine.ScriptableObjects;
[CreateAssetMenu(fileName = "ChasingTargetAction", menuName = "State Machines/Actions/Chasing Target Action")]
public class ChasingTargetActionSO : StateActionSO
{
[Tooltip("Target transform anchor.")]
[SerializeField] private TransformAnchor _targetTransform = default;
[Tooltip("NPC chasing speed")]
[SerializeField] private float _chasingSpeed = default;
public Vector3 TargetPosition => _targetTransform.Transform.position;
public float ChasingSpeed => _chasingSpeed;
protected override StateAction CreateAction() => new ChasingTargetAction();
}
public class ChasingTargetAction : StateAction
{
private Critter _critter;
private ChasingTargetActionSO _config;
private NavMeshAgent _agent;
private bool _isActiveAgent;
public override void Awake(StateMachine stateMachine)
{
_config = (ChasingTargetActionSO)OriginSO;
_agent = stateMachine.gameObject.GetComponent<NavMeshAgent>();
_isActiveAgent = _agent != null && _agent.isActiveAndEnabled && _agent.isOnNavMesh;
}
public override void OnUpdate()
{
if (_isActiveAgent)
{
_agent.isStopped = false;
_agent.SetDestination(_config.TargetPosition);
}
}
public override void OnStateEnter()
{
if (_isActiveAgent)
{
_agent.speed = _config.ChasingSpeed;
}
}
}