##项目的使用
WWAlpha * alpha = [WWAlpha create:0.5 time:2];
WWScale* scale = [WWScale create:0.1 time:2];
WWDelay *delay = [WWDelay create:1.];
WWBezier* be = [WWBezier create:CGPointMake(0, 0) controlPoint:CGPointMake(100, 600) time:2];
WWElasticEaseOut* ease = [WWElasticEaseOut create:be];
WWRotation * ro = [WWRotation create:-2*M_PI time:2];
NSArray* arr = [NSArray arrayWithObjects:alpha,ease,scale,ro, nil];
WWSpwn * seq = [WWSpwn createWithTowActions:arr];
WWSequential *se = [WWSequential createWithTowAction:delay effect2:seq];
WWRepeat* repeat = [WWRepeat create:se times:30000];
[self.aView runAction:repeat];
更方便的实现 easing tween动画,你可以对 WWEffect进行扩展 实现更丰富的动画