Python - Learning to Program(Using tkinter for Better Graphics, The Moving Triangle)

Python for Kids:
A Playful Introduction to Programming
(No Starch Press)
Jason R. Briggs (著)
邦訳

開発環境

• OS X El Capitan - Apple (OS)
• Emacs (Text Editor)
• Python 3.5 (プログラミング言語)

Python for Kids: A Playful Introduction to Programming (Jason R. Briggs (著) 、No Starch Press)のPart Ⅰ.(Learning to Program)、Chapter 12.(Using tkinter for Better Graphics)、Programming Puzzles #2: The Moving Triangle(No. 3603)を解いてみる。

Programming Puzzles #2: The Moving Triangle(No. 3603)

コード(Emacs)

#!/usr/bin/env python3
#-*- coding: utf-8 -*-

import time
import tkinter

app = tkinter.Tk()

canvas = tkinter.Canvas(app, width=400, height=200)
canvas.pack()

canvas.create_polygon(10, 10, 10, 60, 50, 35)

for x in range(0, 60):
    canvas.move(1, 5, 0)
    app.update()
    time.sleep(0.05)

for x in range(0, 30):
    canvas.move(1, 0, 5)
    app.update()
    time.sleep(0.05)

for x in range(0, 60):
    canvas.move(1, -5, 0)
    app.update()
    time.sleep(0.05)

for x in range(0, 30):
    canvas.move(1, 0, -5)
    app.update()
    time.sleep(0.05)

def app_move(c, x, y):
    for a in range(c):
        canvas.move(1, x, y)
        app.update()
        time.sleep(0.05)

for c, x, y in [(60, 5, 0), (30, 0, 5), (60, -5, 0), (30, 0, -5)]:
    app_move(c, x, y)

入出力結果(Terminal, IPython)

$ ./sample2.py
$