弹簧参数
/**
* Physics class contains a number of recommended configurations for physics animations.
* 物理动画效果
*
*/
object Spring {
/**
* Stiffness constant for extremely stiff spring
* 极硬弹簧
*/
const val StiffnessHigh = 10_000f
/**
* Stiffness constant for medium stiff spring. This is the default stiffness for spring
* force.
* 中等硬度弹簧
*/
const val StiffnessMedium = 1500f
/**
* Stiffness constant for medium-low stiff spring. This is the default stiffness for springs
* used in enter/exit transitions.
* 中低刚度弹簧 通常用于进出动画
*/
const val StiffnessMediumLow = 400f
/**
* Stiffness constant for a spring with low stiffness.
* 刚度较低
*/
const val StiffnessLow = 200f
/**
* Stiffness constant for a spring with very low stiffness.
* 刚度非常低
*/
const val StiffnessVeryLow = 50f
/**
* Damping ratio for a very bouncy spring. Note for under-damped springs
* (i.e. damping ratio < 1), the lower the damping ratio, the more bouncy the spring.
* 非常有弹性的弹簧的阻尼比
* 注意欠阻尼弹簧（即阻尼比 < 1），越低
*阻尼比，弹簧越有弹性。
*/
const val DampingRatioHighBouncy = 0.2f
/**
* Damping ratio for a medium bouncy spring. This is also the default damping ratio for
* spring force. Note for under-damped springs (i.e. damping ratio < 1), the lower the
* damping ratio, the more bouncy the spring.
* 中等弹性弹簧的阻尼比。
*/
const val DampingRatioMediumBouncy = 0.5f
/**
* Damping ratio for a spring with low bounciness. Note for under-damped springs
* (i.e. damping ratio < 1), the lower the damping ratio, the higher the bounciness.
* 低弹性弹簧的阻尼比
*/
const val DampingRatioLowBouncy = 0.75f
/**
* Damping ratio for a spring with no bounciness. This damping ratio will create a
* critically damped spring that returns to equilibrium within the shortest amount of time
* without oscillating.
* 没有弹性的弹簧的阻尼比
*/
const val DampingRatioNoBouncy = 1f
/**
* Default cutoff for rounding off physics based animations
* 四舍五入基于物理的动画的默认截止
*/
const val DefaultDisplacementThreshold = 0.01f
}
