如果经常通过控件来移动、旋转以及缩放物体，可以按下空格键在不同模式间循环切换。
Moving, Rotating, and Scaling actors often with the widget? Use the spacebar to cycle between modes.
Ruby Shoes还支持通过线条、椭圆以及路径这些基本元素来创建图形，并支持变形、缩放、旋转这样的操作。
Graphics with primitives such as lines or ovals and paths, and operations for transformation, scaling or rotation.
运动通过平移，旋转，以及每一个移动对象的局部坐标系统的非一致缩放来实现。
Motion is specified by translations, rotations, and nonuniform scalings of the local coordinate system of each moving object.
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