Drag

4 files changed, 121 insertions, 0 deletions

diff --git a/Assets/Scripts/GrabStateMachine.cs b/Assets/Scripts/GrabStateMachine.cs
new file mode 100644
index 0000000..8242097
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+++ b/Assets/Scripts/GrabStateMachine.cs
@@ -0,0 +1,47 @@
+using UnityEngine;
+
+public class GrabStateMachine : MonoBehaviour
+{
+    private bool grabbing = false;
+
+    // 动画组件引用（需要在Inspector面板赋值，或通过代码自动获取）
+    [Header("动画组件引用")]
+    [SerializeField] private Animator anim;
+
+    // 按键设置（可在Inspector面板修改，无需硬编码）
+    [Header("控制按键")]
+    [SerializeField] private KeyCode grabKey = KeyCode.G;
+
+    /// <summary>
+    /// 初始化
+    /// </summary>
+    private void Start()
+    {
+        anim = GetComponent<Animator>();
+    }
+
+    private void Update()
+    {
+        DetectGrabKeyInput();
+        UpdateAnimatorState();
+    }
+
+    private void DetectGrabKeyInput()
+    {
+        if (Input.GetKey(grabKey))
+        {
+            grabbing = true;
+        }
+
+        if (Input.GetKeyUp(grabKey))
+        {
+            grabbing = false;
+        }
+    }
+
+
+    private void UpdateAnimatorState()
+    {
+        anim.SetBool("grabbing", grabbing);
+    }
+}
diff --git a/Assets/Scripts/GrabStateMachine.cs.meta b/Assets/Scripts/GrabStateMachine.cs.meta
new file mode 100644
index 0000000..70b2bc3
--- /dev/null
+++ b/Assets/Scripts/GrabStateMachine.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 811939d88c0df0c44bf13cae7f13a581
\ No newline at end of file
diff --git a/Assets/Scripts/PlayerDrag.cs b/Assets/Scripts/PlayerDrag.cs
new file mode 100644
index 0000000..10300af
--- /dev/null
+++ b/Assets/Scripts/PlayerDrag.cs
@@ -0,0 +1,70 @@
+using UnityEngine;
+
+/// <summary>
+/// 简化版玩家拖拽脚本（Trigger触发判定，仅保留核心拖拽逻辑）
+/// </summary>
+public class PlayerDrag : MonoBehaviour
+{
+    // 拖拽核心配置
+    [SerializeField] private KeyCode grabKey = KeyCode.G; // 抓取按键
+
+    // 临时缓存：当前触发接触的可拖拽物品
+    private DragItem currentDragItem;
+    // 标记是否处于拖拽状态
+    private bool isDragging;
+
+    private void Update()
+    {
+        // 仅检测G键输入，控制抓取/松开（核心逻辑不变）
+        CheckGrabInput();
+    }
+
+
+    private void CheckGrabInput()
+    {
+        // 按下G键：抓取物品（仅当触发接触且未拖拽时生效）
+        if (Input.GetKeyDown(grabKey) && !isDragging && currentDragItem != null)
+        {
+            isDragging = true;
+            currentDragItem.dragger = this.transform; // 给物品赋值拖拽锚点（玩家）
+        }
+
+        // 松开G键：放下物品（解除关联）
+        if (Input.GetKeyUp(grabKey) && isDragging)
+        {
+            isDragging = false;
+            if (currentDragItem != null)
+            {
+                currentDragItem.dragger = null; // 清空物品的拖拽锚点
+            }
+            currentDragItem = null;
+        }
+    }
+
+    private void OnTriggerStay(Collider other)
+    {
+        // 如果已在拖拽状态，直接返回，不处理新物品
+        if (isDragging) return;
+
+        // 尝试获取对方的DragItem组件，缓存为当前可抓取物品
+        DragItem dragItem = other.GetComponent<DragItem>();
+        if (dragItem != null)
+        {
+            currentDragItem = dragItem;
+        }
+    }
+
+
+    private void OnTriggerExit(Collider other)
+    {
+        // 如果已在拖拽状态，直接返回（避免拖拽中丢失目标）
+        if (isDragging) return;
+
+        // 确认离开的是当前缓存的物品，清空缓存
+        DragItem dragItem = other.GetComponent<DragItem>();
+        if (dragItem != null && dragItem == currentDragItem)
+        {
+            currentDragItem = null;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/Scripts/PlayerDrag.cs.meta b/Assets/Scripts/PlayerDrag.cs.meta
new file mode 100644
index 0000000..5512a1e
--- /dev/null
+++ b/Assets/Scripts/PlayerDrag.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 8cbfd87026c9dc54bbd983d8aa98eafd
\ No newline at end of file