void DrawPrefabInspector()
{
EditorGUILayout.BeginVertical("Box");
GUILayout.Space(4f);
GUI.color = Color.green;
if (GUILayout.Button("Modifier la zone de lave", GUILayout.Height(30f)))
{
PrefabUtility.DisconnectPrefabInstance(lava);
lava.RefreshLava();
}
GUI.color = Color.white;
GUILayout.Space(8f);
EditorGUILayout.EndVertical();
}