打开App
scratch 利用克隆交互生成多边形
scratch 利用克隆交互生成多边形 熟悉使用画笔工具 用克隆体实现画图功能，需要用到私有变量，响应按键生成多边形 新建积木实现多边形画法
scratch少儿编程入门课程 画35图13/39
App05:34
App09:31
App06:50
App05:14
App05:13
App06:17
App05:05
App04:27
App05:06
App04:38
App07:10
App05:50
App07:52
App06:33
App10:31
App06:36
App05:54
App07:08
App04:43
App05:08
App05:21
App07:23
App08:57
App06:52
App06:50
App09:10
App10:32
App05:52打开App观看
