책장 첫줄 자동

Assets/02_Scripts/UI/New Folder.meta

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+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
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Assets/02_Scripts/UI/New Folder/BookShelfAutoFill.cs

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+using UnityEngine;
+
+#if UNITY_EDITOR
+using UnityEditor;
+using UnityEditor.SceneManagement;
+#endif
+
+public class BookShelfAutoFill : MonoBehaviour
+{
+    [Header("책 프리팹들")]
+    public GameObject[] bookPrefabs;
+
+    [Header("책장 배치 설정")]
+    public int rows = 4;
+    public int booksPerRow = 12;
+
+    [Tooltip("첫 번째 책 위치. 이 오브젝트 기준 로컬 좌표")]
+    public Vector3 startLocalPosition = new Vector3(-1.0f, 0f, 0f);
+
+    [Tooltip("책 사이 간격. X는 옆으로, Y는 위 칸으로")]
+    public Vector3 spacing = new Vector3(0.13f, 0.42f, 0f);
+
+    [Header("책 랜덤 느낌")]
+    public Vector2 randomXOffset = new Vector2(-0.015f, 0.015f);
+    public Vector2 randomYOffset = new Vector2(-0.015f, 0.015f);
+    public Vector2 randomZOffset = new Vector2(-0.01f, 0.01f);
+
+    public Vector2 randomHeightScale = new Vector2(0.85f, 1.15f);
+    public Vector2 randomWidthScale = new Vector2(0.9f, 1.1f);
+    public Vector2 randomDepthScale = new Vector2(0.9f, 1.05f);
+
+    public Vector2 randomYRotation = new Vector2(-3f, 3f);
+    public Vector2 randomZRotation = new Vector2(-2f, 2f);
+
+    [Header("기본 회전")]
+    public Vector3 baseRotation = Vector3.zero;
+
+    [Header("기타")]
+    public bool clearBeforeGenerate = true;
+    public int seed = 10;
+
+    private const string GeneratedParentName = "Generated_Books";
+
+    [ContextMenu("책 자동 배치")]
+    public void GenerateBooks()
+    {
+        if (bookPrefabs == null || bookPrefabs.Length == 0)
+        {
+            Debug.LogWarning("[BookShelfAutoFill] Book Prefabs에 책 프리팹을 넣어줘.");
+            return;
+        }
+
+        Random.InitState(seed);
+
+        if (clearBeforeGenerate)
+        {
+            ClearBooks();
+        }
+
+        GameObject parent = new GameObject(GeneratedParentName);
+        parent.transform.SetParent(transform);
+        parent.transform.localPosition = Vector3.zero;
+        parent.transform.localRotation = Quaternion.identity;
+        parent.transform.localScale = Vector3.one;
+
+#if UNITY_EDITOR
+        if (!Application.isPlaying)
+        {
+            Undo.RegisterCreatedObjectUndo(parent, "Create Generated Books Parent");
+        }
+#endif
+
+        for (int r = 0; r < rows; r++)
+        {
+            float currentX = startLocalPosition.x;
+
+            for (int c = 0; c < booksPerRow; c++)
+            {
+                GameObject prefab = bookPrefabs[Random.Range(0, bookPrefabs.Length)];
+
+                if (prefab == null)
+                    continue;
+
+                GameObject book = CreateBook(prefab, parent.transform);
+
+                if (book == null)
+                    continue;
+
+                float offsetX = Random.Range(randomXOffset.x, randomXOffset.y);
+                float offsetY = Random.Range(randomYOffset.x, randomYOffset.y);
+                float offsetZ = Random.Range(randomZOffset.x, randomZOffset.y);
+
+                book.transform.localPosition = new Vector3(
+                    currentX + offsetX,
+                    startLocalPosition.y + r * spacing.y + offsetY,
+                    startLocalPosition.z + offsetZ
+                );
+
+                book.transform.localRotation = Quaternion.Euler(
+                    baseRotation.x,
+                    baseRotation.y + Random.Range(randomYRotation.x, randomYRotation.y),
+                    baseRotation.z + Random.Range(randomZRotation.x, randomZRotation.y)
+                );
+
+                Vector3 originalScale = book.transform.localScale;
+
+                book.transform.localScale = new Vector3(
+                    originalScale.x * Random.Range(randomWidthScale.x, randomWidthScale.y),
+                    originalScale.y * Random.Range(randomHeightScale.x, randomHeightScale.y),
+                    originalScale.z * Random.Range(randomDepthScale.x, randomDepthScale.y)
+                );
+
+                currentX += spacing.x;
+            }
+        }
+
+#if UNITY_EDITOR
+        if (!Application.isPlaying)
+        {
+            EditorUtility.SetDirty(gameObject);
+            EditorSceneManager.MarkSceneDirty(gameObject.scene);
+        }
+#endif
+
+        Debug.Log("[BookShelfAutoFill] 책 자동 배치 완료. 마음에 들면 Ctrl+S 저장 후 이 스크립트 컴포넌트는 삭제해도 됨.");
+    }
+
+    [ContextMenu("생성된 책 삭제")]
+    public void ClearBooks()
+    {
+        Transform old = transform.Find(GeneratedParentName);
+
+        if (old == null)
+        {
+            Debug.Log("[BookShelfAutoFill] 삭제할 Generated_Books가 없음.");
+            return;
+        }
+
+#if UNITY_EDITOR
+        if (!Application.isPlaying)
+        {
+            // Inspector가 삭제될 오브젝트를 보고 있으면 에러가 나서 선택을 부모로 돌림
+            if (Selection.activeGameObject != null)
+            {
+                Transform selected = Selection.activeGameObject.transform;
+
+                if (selected == old || selected.IsChildOf(old))
+                {
+                    Selection.activeGameObject = gameObject;
+                }
+            }
+
+            Undo.DestroyObjectImmediate(old.gameObject);
+
+            EditorUtility.SetDirty(gameObject);
+            EditorSceneManager.MarkSceneDirty(gameObject.scene);
+
+            Debug.Log("[BookShelfAutoFill] 생성된 책 삭제 완료.");
+            return;
+        }
+#endif
+
+        Destroy(old.gameObject);
+    }
+
+    private GameObject CreateBook(GameObject prefab, Transform parent)
+    {
+#if UNITY_EDITOR
+        if (!Application.isPlaying)
+        {
+            GameObject obj = PrefabUtility.InstantiatePrefab(prefab, parent) as GameObject;
+
+            if (obj != null)
+            {
+                Undo.RegisterCreatedObjectUndo(obj, "Create Book");
+            }
+
+            return obj;
+        }
+#endif
+
+        return Instantiate(prefab, parent);
+    }
+}

Assets/02_Scripts/UI/New Folder/BookShelfAutoFill.cs.meta

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