如何用pc logo中编写红绿灯

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/15 15:01:07

如何用pc logo中编写红绿灯

to ex1
setpc 12
stampoval 50 50
pu rt 90 fd 150 lt 90 pd
setpc 14
stampoval 50 50
pu rt 90 fd 150 lt 90 pd
setpc 10
stampoval 50 50
pu home pd
end
to hld
ex1
setpc 12
fill
wait 300
pe (stampoval 48 48 "true)
pu rt 90 fd 150 lt 90 pd
setpc 14
fill
wait 100
pe (stampoval 48 48 "true)
pu rt 90 fd 150 lt 90 pd
setpc 10
fill
wait 300
pe (stampoval 48 48 "true)
pu lt 90 fd 150 rt 90 pd
setpc 14
fill
wait 100
pe (stampoval 48 48 "true)
pu home pd
hld
end
执行:hld