所有动画的常量值、顺序是从左往右按顺序的、从第一排开始
BallPulse
BallGridPulse
BallClipRotate
BallClipRotatePulse
SquareSpin
BallClipRotateMultiple
BallPulseRise
BallRotate
CubeTransition
BallZigZag
BallZigZagDeflect
BallTrianglePath
BallScale
LineScale
LineScaleParty
BallScaleMultiple
BallPulseSync
BallBeat
LineScalePulseOut
LineScalePulseOutRapid
BallScaleRipple
BallScaleRippleMultiple
BallSpinFadeLoader
LineSpinFadeLoader
TriangleSkewSpin
Pacman
BallGridBeat
SemiCircleSpin
巨人的仓库：https://github.com/81813780/AVLoadingIndicatorView