Handles.BeginGUI

参数

描述

在 3D 手柄 GUI 内开始一个 2D GUI 块。

Begin a 2D GUI block on top of the current handle camera.

See Also: Handles.EndGUI.


GUI in the Scene View.

    // Create a 180 degrees wire arc with a ScaleValueHandle attached to the disc
    // that lets you modify the "shieldArea" var in the WireArcExample.js, also
    // lets you visualize some info of the transform and finally lets you
    // reset the shield area value to 5 by clicking on a button

    @CustomEditor (DummyButtonScript)
    class GUIButtonHandle extends Editor {
        function OnSceneGUI () {
            Handles.color = Color.blue;
            Handles.Label(target.transform.position + Vector3.up*2,
                    target.transform.position.ToString() + "\nShieldArea: " +
                    target.shieldArea.ToString());
            Handles.BeginGUI(Rect(Screen.width - 100, Screen.height - 80, 90,50));
            if(GUILayout.Button("Reset Area"))
                target.shieldArea = 5;
            Handles.EndGUI();

            Handles.DrawWireArc(target.transform.position,
                    target.transform.up,
                    -target.transform.right,
                    180,
                    target.shieldArea);
            target.shieldArea =
            Handles.ScaleValueHandle(target.shieldArea,
                            target.transform.position + target.transform.forward*target.shieldArea,
                            target.transform.rotation,
                            1,
                            Handles.ConeCap,
                            1);
        }
    }

附加到此手柄的脚本：

    // DummyButtonScript.js

    var shieldArea : float = 5;