public void TargetGUI(Follow instance)
{
Event evt = Event.current;
Rect drop_area = GUILayoutUtility.GetRect(0.0f, 50.0f, GUILayout.ExpandWidth(true));
GUI.Box(drop_area, "Drag Target Objects Here");
for (int i = 0; i < instance.targets.Count; i++)
{
DrawPrefabIcon(instance, i);
}
switch (evt.type)
{
case EventType.DragUpdated:
case EventType.DragPerform:
if (!drop_area.Contains(evt.mousePosition))
{
return;
}
DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
if (evt.type == EventType.DragPerform)
{
DragAndDrop.AcceptDrag();
foreach (GameObject prefab in DragAndDrop.objectReferences)
{
instance.AddTarget(prefab.transform);
}
}
break;
}
}
private void DrawPrefabIcon(Follow instance, int id)
{
EditorGUILayout.BeginHorizontal();
instance.targets[id] = (Transform)EditorGUILayout.ObjectField(instance.targets[id], typeof(Transform), true);
GUI.color = Color.red;
if (GUILayout.Button("X"))
{
instance.targets.RemoveAt(id);
}
GUI.color = Color.white;
EditorGUILayout.EndHorizontal();
}
public override void OnInspectorGUI()
{
Follow instance = (Follow)target;
instance.updateState = (UpdateState)EditorGUILayout.EnumPopup("Update Type", instance.updateState);
instance.followState = (FollowStates)EditorGUILayout.EnumPopup("Follow Type", instance.followState);
switch (instance.followState)
{
case FollowStates.Me:
EditorGUILayout.HelpBox("All of the target objects will follow this transform.", MessageType.Info);
break;
case FollowStates.You:
EditorGUILayout.HelpBox("This transform will follow the target transform.", MessageType.Info);
break;
case FollowStates.Mean:
EditorGUILayout.HelpBox("This transform will follow the center point of all of the targets.", MessageType.Info);
break;
}
instance.followPosition = EditorGUILayout.Toggle("Follow Position", instance.followPosition);
instance.followRotation = EditorGUILayout.Toggle("Follow Rotation", instance.followRotation);
instance.positionSmoothTime = EditorGUILayout.FloatField("Position Smooth Time", instance.positionSmoothTime);
instance.rotationSmoothTime = EditorGUILayout.FloatField("Rotation Smooth Time", instance.rotationSmoothTime);
switch (instance.followState)
{
case FollowStates.Me:
TargetGUI(instance);
break;
case FollowStates.You:
if (instance.targets.Count < 1)
{
instance.targets.Add(null);
}
EditorGUILayout.PrefixLabel("Target");
instance.targets[0] = (Transform)EditorGUILayout.ObjectField(instance.targets[0], typeof(Transform), true);
break;
case FollowStates.Mean:
TargetGUI(instance);
break;
}
}
