樹莓派、樹莓派之學習、樹莓派之教育

L4K ︰小海龜繪圖《IX》

圖文費疑猜？

turtle-art-if-then-else-if-then-else-operator-that-uses-boolean-operators-from-numbers-palette

 

流程難分明？？

Flow Palette

TAflow.png

These blocks control program flow.

  • wait: pause program execution (unit is seconds)
  • forever: continuously repeat execute stack under the right flow
  • repeat: repeat the execution of stack under the right flow a specified number of times
  • if/then: conditional execution of the stack under the right flow (uses boolean operators found on the Number palette)
  • if/then/else: conditional execution of the stack under the center and right flows (uses boolean operators found on the Number palette)
  • vertical spacer
  • stop stack: interrupt execution
  • while: execute stack under right flow while the condition is true (uses boolean operators found on the Number palette) (Only available with Turtle Blocks)
  • until: execute stack under right flow until the condition is true (uses boolean operators found on the Number palette) (Only available with Turtle Blocks)

Note: Nesting while and/or until blocks is not always reliable. If you encounter an error, try putting the nested block in a separate stack, accessed with an action block.

 

會意細推敲！

turtle-art-greater-than-logical-greater-than-operator

 

遲早能貫通！！

turtle-art-number-used-as-numeric-input-in-mathematic-operators