1. A time interpolator defines how specific values in an animation are calculated as a function of time.
根据动画时间进度得到属性值的变化百分比。
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2. The Circle Interpolator based on the algebra figuring, if we change only a few preset constants in the register, we can directly Interpolate a quadratic curves.
基于代数演算法的圆弧插补器，只要改变相应的几个寄存器的予置常数，就可直接插补非圆二次曲线。
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3. The Circle Interpolator based on the algebra figuring, if we change only a few preset constants in the register, we can directly Interpolate a quadratic curves.
