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Example Drag & Drop area in a custom inspector for the Unity editor
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using UnityEngine; | |
using System.Collections; | |
using UnityEditor; | |
[CustomEditor (typeof(TriggerContainer))] | |
public class TriggerContainerEditor : Editor | |
{ | |
private SerializedObject obj; | |
public void OnEnable () | |
{ | |
obj = new SerializedObject (target); | |
} | |
public override void OnInspectorGUI () | |
{ | |
DrawDefaultInspector (); | |
EditorGUILayout.Space (); | |
DropAreaGUI (); | |
} | |
public void DropAreaGUI () | |
{ | |
Event evt = Event.current; | |
Rect drop_area = GUILayoutUtility.GetRect (0.0f, 50.0f, GUILayout.ExpandWidth (true)); | |
GUI.Box (drop_area, "Add Trigger"); | |
switch (evt.type) { | |
case EventType.DragUpdated: | |
case EventType.DragPerform: | |
if (!drop_area.Contains (evt.mousePosition)) | |
return; | |
DragAndDrop.visualMode = DragAndDropVisualMode.Copy; | |
if (evt.type == EventType.DragPerform) { | |
DragAndDrop.AcceptDrag (); | |
foreach (Object dragged_object in DragAndDrop.objectReferences) { | |
// Do On Drag Stuff here | |
} | |
} | |
break; | |
} | |
} | |
} |
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