它们还可用于图形工作，如简化gui上对象的旋转。
They can also be used for graphics work, such as simplifying the rotation of objects on a GUI.
您可以通过定义对象的绘制方式来旋转您的正方形。
You can rotate your square by defining how you draw your object.
角度为正值，则表示若您顺着正旋转轴方向观察，对象是按顺时针旋转的。
Positive values for the angle rotate the object clockwise if you look along the positive rotation axis.
应用推荐