[programming problem] [scratch Level 2] December 2019 flying birds

Flying birds

1． preparation

（1） Import background “Blue Sky”;

（2） Import role “Toucan” and “Buildings” .

2. Function realization

（1）Toucan The role size is set to 50, Coordinate for （-200,0）, Keep flapping your wings （ stay 2,3 The two shapes switch back and forth ）,Toucan At the top , Not covered by other characters ;

（2） Press “↑” control Toucan rising , Press “↓” control Toucan falling ;

（3）Buildings Appear on the far right of the stage , With 2 The speed of moves to the left , If you hit the left edge, return to the rightmost end ;

（4） If Toucan meet Buildings, say “ Yes ！”2 second .

3. Design ideas and implementation

（1） Role analysis

• role ：Toucan,Buildings

（2） Background analysis

• background ：Blue Sky

（3） Introduction to the building blocks used

a. Sports