Joywayer
5cb6c2a19d
- Summarized the evolution of scores across five review rounds - Detailed the status of each evaluation dimension post-fixes - Highlighted remaining issues and recommended future work for further enhancements - Compared current system against industry benchmarks
79 lines
3.1 KiB
C#
79 lines
3.1 KiB
C#
using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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namespace BaseGames.World.Map
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{
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/// <summary>
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/// 全屏地图输入处理器（架构 15_MapShopModule §1.3.1）。
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/// 挂在与 MapPanel 相同的 GameObject 上（MapPanel OnEnable/OnDisable 联动启停）。
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/// <list type="bullet">
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/// <item>鼠标滚轮缩放（以鼠标位置为缩放中心）</item>
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/// <item>键盘方向键 / WASD 平移</item>
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/// </list>
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/// </summary>
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[RequireComponent(typeof(MapPanel))]
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public class MapInputHandler : MonoBehaviour, IScrollHandler
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{
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[SerializeField] private ScrollRect _scrollRect;
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[SerializeField] private RectTransform _zoomTarget; // 通常为 _roomContainer（格子根节点）
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[Header("缩放")]
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[SerializeField, Range(0.2f, 1f)] private float _zoomMin = 0.4f;
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[SerializeField, Range(1f, 5f)] private float _zoomMax = 3.0f;
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[SerializeField, Range(0.05f, 0.5f)] private float _zoomStep = 0.12f;
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[Header("键盘平移")]
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[SerializeField] private float _keyPanSpeed = 600f; // px / 秒
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private float _zoom = 1f;
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private void OnEnable()
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{
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// 重新激活时还原缩放，避免上次关闭时的残留状态
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if (_zoomTarget != null)
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_zoom = _zoomTarget.localScale.x;
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}
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private void Update()
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{
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if (_scrollRect == null) return;
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float h = Input.GetAxisRaw("Horizontal");
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float v = Input.GetAxisRaw("Vertical");
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if (h == 0 && v == 0) return;
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var delta = new Vector2(h, v) * (_keyPanSpeed * Time.unscaledDeltaTime);
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_scrollRect.content.anchoredPosition += delta;
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}
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// ── 鼠标滚轮缩放 ─────────────────────────────────────────────────────
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public void OnScroll(PointerEventData eventData)
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{
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if (_zoomTarget == null) return;
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float newZoom = Mathf.Clamp(
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_zoom + eventData.scrollDelta.y * _zoomStep,
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_zoomMin, _zoomMax);
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if (Mathf.Approximately(newZoom, _zoom)) return;
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// 将鼠标屏幕坐标转为 zoomTarget 本地坐标（缩放前）
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RectTransformUtility.ScreenPointToLocalPointInRectangle(
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_zoomTarget, eventData.position, eventData.pressEventCamera, out Vector2 pivotBefore);
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_zoom = newZoom;
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_zoomTarget.localScale = new Vector3(_zoom, _zoom, 1f);
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// 将同一屏幕点再次映射（缩放后），计算偏移量保持鼠标下方内容不动
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RectTransformUtility.ScreenPointToLocalPointInRectangle(
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_zoomTarget, eventData.position, eventData.pressEventCamera, out Vector2 pivotAfter);
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// pivotAfter - pivotBefore 是 zoomTarget 本地空间的偏差，需转为父空间偏差
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Vector2 offset = pivotAfter - pivotBefore;
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_zoomTarget.anchoredPosition += offset * _zoom;
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}
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}
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}
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