Scratch少儿编程教学之——排列爱心

网友投稿 2020-05-20 11:57

一、背景

1.可空白或者选自己喜欢的或者自己画

二、角色

1.打印块 :删除系统默认的角色―――→点击绘制―――→点击矩形―――→绘制

https://cdn.china-scratch.com/timg/200522/115H05A9-0.jpg

(大概这么大,可以不完全一样但是不要差太多)―――→填充设为红色,轮廓设为0―――→将角色命名为“打印块”

二、积木区↓

背景:无

1.打印块 :

https://cdn.china-scratch.com/timg/200522/115H23035-1.jpg

(这两个√后面调整好了就可以不选上)

https://cdn.china-scratch.com/timg/200522/115H2D94-2.jpg

https://cdn.china-scratch.com/timg/200522/115H2DR-3.jpg

https://cdn.china-scratch.com/timg/200522/115H260c-4.jpg

https://cdn.china-scratch.com/timg/200522/115H31C4-5.jpg

https://cdn.china-scratch.com/timg/200522/115H3A61-6.jpg

https://cdn.china-scratch.com/timg/200522/115H363T-7.jpg

https://cdn.china-scratch.com/timg/200522/115H355a-8.jpg

https://cdn.china-scratch.com/timg/200522/115H31Q9-9.jpg

https://cdn.china-scratch.com/timg/200522/115H41039-10.jpg

https://cdn.china-scratch.com/timg/200522/115H52456-11.jpg

https://cdn.china-scratch.com/timg/200522/115H5BW-12.jpg

https://cdn.china-scratch.com/timg/200522/115HAQ6-13.jpg

分别“单个长”“单个宽”点击右键选择滑杆,

点击绿旗调整至自己认为最适合的数值

本次代码:

背景:无

1打印块:

https://cdn.china-scratch.com/timg/200522/115H61D0-14.jpg

https://cdn.china-scratch.com/timg/200522/115HC319-15.jpg

课后挑战:

1. 对本次积木进行优化(减少积木数达到相同效果)

2. 试着做从右向左打印的

3. 想一想运用今天所学还有什么其他创意

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