Create PreciseOffsetEditor.cs

Author: unitycoder

Assets/Scripts/Editor/Tools/PreciseOffsetEditor.cs

@@ -0,0 +1,118 @@
+// gameobject position fiddling tool (when dragging x,y,z axist in transform panel is too fast)
+
+using UnityEngine;
+using UnityEditor;
+
+namespace UnityLibrary.SceneTools
+{
+    public class PreciseOffsetEditor : EditorWindow
+    {
+        private const string SpeedMultiplierKey = "UnityLibrary_PreciseOffset_SpeedMultiplier";
+
+        private GameObject selectedObject;
+        private Vector3 offsetSliderValues = Vector3.zero;
+        private float speedMultiplier = 0.01f;
+
+        private Vector3 originalPosition;
+        private GameObject lastSelectedObject;
+
+        [MenuItem("Tools/UnityLibrary/Precise Model Offset")]
+        public static void ShowWindow()
+        {
+            var win = GetWindow<PreciseOffsetEditor>("Precise Model Offset");
+            win.minSize = new Vector2(300, 220);
+            win.maxSize = new Vector2(300, 220);
+        }
+
+        private void OnEnable()
+        {
+            speedMultiplier = EditorPrefs.GetFloat(SpeedMultiplierKey, 0.01f);
+        }
+
+        private void OnDisable()
+        {
+            EditorPrefs.SetFloat(SpeedMultiplierKey, speedMultiplier);
+        }
+
+        private void OnGUI()
+        {
+            EditorGUILayout.LabelField("Precise Model Offset", EditorStyles.boldLabel);
+            EditorGUILayout.Space();
+
+            int selectedCount = Selection.gameObjects.Length;
+            selectedObject = Selection.activeGameObject;
+
+            if (selectedCount == 0)
+            {
+                EditorGUILayout.HelpBox("No GameObject selected.", MessageType.Warning);
+                return;
+            }
+
+            if (selectedCount == 1)
+            {
+                EditorGUILayout.LabelField("Selected: " + selectedObject.name);
+            }
+            else
+            {
+                EditorGUILayout.LabelField("Selected: (multiple)");
+            }
+
+            if (selectedObject != lastSelectedObject)
+            {
+                originalPosition = selectedObject.transform.position;
+                offsetSliderValues = Vector3.zero;
+                lastSelectedObject = selectedObject;
+            }
+
+            EditorGUILayout.Space();
+            EditorGUI.BeginChangeCheck();
+            speedMultiplier = EditorGUILayout.Slider("Speed Multiplier", speedMultiplier, 0.001f, 1f);
+            if (EditorGUI.EndChangeCheck())
+            {
+                EditorPrefs.SetFloat(SpeedMultiplierKey, speedMultiplier);
+            }
+
+            EditorGUILayout.Space();
+            EditorGUI.BeginChangeCheck();
+
+            // Store old values to detect changes
+            Vector3 oldOffset = offsetSliderValues;
+
+            offsetSliderValues.x = EditorGUILayout.Slider("X Offset", offsetSliderValues.x, -100f, 100f);
+            offsetSliderValues.y = EditorGUILayout.Slider("Y Offset", offsetSliderValues.y, -100f, 100f);
+            offsetSliderValues.z = EditorGUILayout.Slider("Z Offset", offsetSliderValues.z, -100f, 100f);
+
+            Vector3 delta = offsetSliderValues - oldOffset;
+
+            if (delta != Vector3.zero)
+            {
+                Undo.RecordObject(selectedObject.transform, "Precise Offset");
+
+                Vector3 newPosition = selectedObject.transform.position;
+
+                if (!Mathf.Approximately(delta.x, 0f))
+                    newPosition.x = originalPosition.x + offsetSliderValues.x * speedMultiplier;
+
+                if (!Mathf.Approximately(delta.y, 0f))
+                    newPosition.y = originalPosition.y + offsetSliderValues.y * speedMultiplier;
+
+                if (!Mathf.Approximately(delta.z, 0f))
+                    newPosition.z = originalPosition.z + offsetSliderValues.z * speedMultiplier;
+
+                selectedObject.transform.position = newPosition;
+
+                EditorUtility.SetDirty(selectedObject);
+            }
+
+            EditorGUILayout.Space();
+            if (GUILayout.Button("Reset Offset"))
+            {
+                offsetSliderValues = Vector3.zero;
+                if (selectedObject != null)
+                {
+                    selectedObject.transform.position = originalPosition;
+                }
+            }
+        }
+    }
+}