成员的完整列表，这些成员属于 eve::animation::MotionRuntime::Vec2Desc,包括所有继承而来的类成员

cancelOnError	eve::animation::MotionRuntime::Vec2Desc
dampingRatio	eve::animation::MotionRuntime::Vec2Desc
delay	eve::animation::MotionRuntime::Vec2Desc
duration	eve::animation::MotionRuntime::Vec2Desc
ease	eve::animation::MotionRuntime::Vec2Desc
frequency	eve::animation::MotionRuntime::Vec2Desc
from	eve::animation::MotionRuntime::Vec2Desc
loopMode	eve::animation::MotionRuntime::Vec2Desc
loops	eve::animation::MotionRuntime::Vec2Desc
onCancel	eve::animation::MotionRuntime::Vec2Desc
onComplete	eve::animation::MotionRuntime::Vec2Desc
onUpdate	eve::animation::MotionRuntime::Vec2Desc
seed	eve::animation::MotionRuntime::Vec2Desc
sink	eve::animation::MotionRuntime::Vec2Desc
style	eve::animation::MotionRuntime::Vec2Desc
to	eve::animation::MotionRuntime::Vec2Desc