/// <summary>
/// 拖动鼠标以修改数值
/// </summary>
public static float DragValue(Rect rect, GUIContent content, float value, float step, GUIStyle style, bool horizontal = true)
{
int controlID = GUIUtility.GetControlID(FocusType.Passive);
switch (Event.current.GetTypeForControl(controlID))
{
case EventType.Repaint:
{
GUI.Label(rect, content, style);
break;
}
case EventType.MouseDown:
{
if (Event.current.button == 0 && rect.Contains(Event.current.mousePosition))
{
GUIUtility.hotControl = controlID;
}
break;
}
case EventType.MouseUp:
{
if (GUIUtility.hotControl == controlID)
{
GUIUtility.hotControl = 0;
}
break;
}
}
if (Event.current.isMouse && GUIUtility.hotControl == controlID)
{
if (Event.current.type == EventType.MouseDrag)
{
if (horizontal)
{
value += Event.current.delta.x * step;
}
else
{
value -= Event.current.delta.y * step;
}
value = MathKit.RoundToSignificantDigitsFloat(value);
GUI.changed = true;
}
Event.current.Use();
}
return(value);
}
/// <summary>
/// 拖动鼠标以修改数值
/// </summary>
public static float DragValue(Rect rect, GUIContent content, float value, float step, GUIStyle style, bool horizontal = true)
{
int controlID = GUIUtility.GetControlID(FocusType.Passive);
switch (Event.current.GetTypeForControl(controlID))
{
case EventType.Repaint:
{
GUI.Label(rect, content, style);
break;
}
case EventType.MouseDown:
{
if (Event.current.button == 0 && rect.Contains(Event.current.mousePosition))
{
GUIUtility.hotControl = controlID;
}
break;
}
case EventType.MouseUp:
{
if (GUIUtility.hotControl == controlID)
{
GUIUtility.hotControl = 0;
UnityEditorInternal.InternalEditorUtility.RepaintAllViews();
}
break;
}
}
if (GUIUtility.hotControl == controlID)
{
if (Event.current.isMouse)
{
if (Event.current.type == EventType.MouseDrag)
{
if (horizontal)
{
value += Event.current.delta.x * step;
}
else
{
value -= Event.current.delta.y * step;
}
value = MathKit.RoundToSignificantDigitsFloat(value);
GUI.changed = true;
}
Event.current.Use();
}
rect.size = new Vector2(1000, 1000);
rect.center = Event.current.mousePosition;
}
EditorGUIUtility.AddCursorRect(rect, horizontal ? MouseCursor.ResizeHorizontal : MouseCursor.ResizeVertical);
return(value);
}