96 lines
3.0 KiB
C#
96 lines
3.0 KiB
C#
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using System;
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using UnityEngine;
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public class WuChangGhostController : MonoBehaviour
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{
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public GhostState state { get; private set; }
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private int _index;
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private WuChangGhostAuraController _airBase;
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// 简单制作，不开模式模块，全部模式参数丢在这里
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private Transform _target;
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private Vector3 _targetOffset;
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private float _impactTime;
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private float _returnSpeed;
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private TrailRenderer[] _trailRenderers;
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private void Awake()
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{
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_trailRenderers = transform.GetComponentsInChildren<TrailRenderer>(true);
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}
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private void OnEnable()
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{
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state = GhostState.Docked;
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for (var i = 0; i < _trailRenderers.Length; i++)
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_trailRenderers[i].Clear();
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}
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public void Init(WuChangGhostAuraController airBase, int index, float returnSpeed)
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{
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_airBase = airBase;
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_index = index;
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_returnSpeed = returnSpeed;
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}
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public void AttackTarget(Transform target, Vector3 offset, float impactTime)
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{
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_target = target;
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_targetOffset = offset;
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_impactTime = Time.unscaledTime + impactTime;
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state = GhostState.Attack;
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}
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private void LateUpdate()
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{
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switch (state)
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{
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case GhostState.Attack:
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{
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if (_target == null)
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state = GhostState.ReturnBase;
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else
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{
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var targetPos = _target.position + _targetOffset;
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var nextTime = Time.unscaledTime + Time.unscaledDeltaTime;
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if (nextTime > _impactTime)
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{
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state = GhostState.ReturnBase;
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transform.position = targetPos;
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}
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else
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{
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var ratio = Time.unscaledDeltaTime / (_impactTime - Time.unscaledTime);
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transform.position = Vector3.Lerp(transform.position, targetPos, ratio);
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}
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}
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}
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break;
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case GhostState.ReturnBase:
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{
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var hangerPos = _airBase.GetHangerPosition(_index);
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var delta = Time.unscaledDeltaTime * _returnSpeed;
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if ((transform.position - hangerPos).sqrMagnitude < delta.ToSquare())
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{
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state = GhostState.Docked;
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transform.position = hangerPos;
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}
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else
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transform.position = Vector3.MoveTowards(transform.position, hangerPos, delta);
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}
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break;
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case GhostState.Docked:
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{
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transform.position = _airBase.GetHangerPosition(_index);
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}
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break;
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default:
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throw new ArgumentOutOfRangeException();
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}
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}
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public enum GhostState
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{
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Docked,
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Attack,
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ReturnBase,
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}
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}
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