138 lines
4.0 KiB
C#
138 lines
4.0 KiB
C#
using AibisDream.Framework;
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using AibisDream.Utility;
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using DG.Tweening;
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using UnityEngine;
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using UnityEngine.EventSystems;
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namespace AibisDream
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{
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public class CordPull : MonoBehaviour, IInteraction
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{
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private static readonly int ShineFade = Shader.PropertyToID("_ShineFade");
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private EventTriggerEx _trigger;
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private SpriteRenderer _sprite;
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private EngineSystem _engineSystem;
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private Vector3 _initPos;
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public float maxDistance;
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private Vector3 _dragPoint;
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private bool _isDragging;
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private void Awake()
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{
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// 记录当前位置
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InitRefs();
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}
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private void InitRefs()
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{
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_initPos = transform.position;
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_trigger = GetComponent<EventTriggerEx>();
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_engineSystem = transform.parent.GetComponent<EngineSystem>();
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_sprite = GetComponent<SpriteRenderer>();
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_trigger.Register(EventTriggerType.BeginDrag, OnBeginDrag);
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_trigger.Register(EventTriggerType.EndDrag, OnEndDrag);
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_trigger.Register(EventTriggerType.Drag, OnDrag);
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}
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private void Update()
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{
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if (_isDragging)
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{
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MoveToDragPos();
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}
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}
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private void MoveToDragPos()
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{
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float curY;
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// 如果拖拽点在上方，直接移动
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if (_dragPoint.y > transform.position.y)
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{
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curY = _dragPoint.y;
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}
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// 如果拖拽点在下方，限速移动
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else
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{
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curY = _dragPoint.y;
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var pullDelta = Mathf.Abs(curY - transform.position.y) / maxDistance;
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// 将增量同步给Engine
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_engineSystem.AddAirPress(pullDelta);
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}
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transform.position = new Vector3(transform.position.x, curY, transform.position.y);
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}
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private void OnDrag(BaseEventData data)
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{
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// 这里是一些阻碍拖动的情况
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if (!IsActive) return;
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// 正常情况下不会出错
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if (data is not PointerEventData pointerData) return;
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// 设置拖拽目标点
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SetDragTarget(pointerData.position);
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}
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private void OnBeginDrag(BaseEventData data)
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{
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// 这里是一些阻碍拖动的情况
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if (!IsActive) return;
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// 首次拖拽后关闭高亮
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if (GlobalVariableKit.IsCordHighLight)
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{
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GlobalVariableKit.IsCordHighLight = false;
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_sprite.material.SetFloat(ShineFade, 0);
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}
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// 正常情况下不会出错
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if (data is not PointerEventData pointerData) return;
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// 设置拖拽目标点
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SetDragTarget(pointerData.position);
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// 开始拖动的时候把原有的动画删掉
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transform.DOKill();
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_isDragging = true;
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}
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private void OnEndDrag(BaseEventData data)
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{
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_isDragging = false;
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// 松手后抽回去
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var retractTime = (_initPos.y - transform.localPosition.y) / _engineSystem.engineConfig.returnSpeed;
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transform.DOMove(_initPos, retractTime);
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}
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private void SetDragTarget(Vector3 mousePos)
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{
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var worldPos = CameraKit.GetMouseWorldPos(mousePos);
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var dragY = CommonUtil.Limit(worldPos.y, _initPos.y, _initPos.y - maxDistance);
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_dragPoint = new Vector3(transform.position.x, dragY, transform.position.z);
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}
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public void ActiveShine()
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{
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_sprite.material.SetFloat(ShineFade, 1);
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}
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#region 交互限制相关
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public bool IsActive => _engineSystem.isPullActive;
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public bool IsAvailable => _engineSystem.isAvailable;
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public GameObject GetGameObject()
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{
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return gameObject;
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}
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#endregion
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}
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} |