GUIUtility.RotateAroundPivot

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public static void RotateAroundPivot (float angle, Vector2 pivotPoint);

Description

让 GUI 围绕一个点旋转的 Helper 函数。

Modifies GUI.matrix to rotate all GUI elements angle degrees around pivotPoint.

See Also: GUI.matrix, ScaleAroundPivot.

using UnityEngine;

public class Example : MonoBehaviour { // Rotate a button 10 degrees clockwise when presed.

float rotAngle = 0; Vector2 pivotPoint;

void OnGUI() { pivotPoint = new Vector2(Screen.width / 2, Screen.height / 2); GUIUtility.RotateAroundPivot(rotAngle, pivotPoint); if (GUI.Button(new Rect(Screen.width / 2 - 25, Screen.height / 2 - 25, 50, 50), "Rotate")) { rotAngle += 10; } } }