| #!/usr/bin/env python | |
| """Classic game of tennis.""" | |
| # std imports | |
| from math import floor | |
| # local | |
| from blessed import Terminal | |
| def roundxy(x, y): | |
| return int(floor(x)), int(floor(y)) | |
| term = Terminal() | |
| x, y, xs, ys = 2, 2, 0.4, 0.3 | |
| with term.cbreak(), term.hidden_cursor(): | |
| # clear the screen | |
| print(term.home + term.black_on_olivedrab4 + term.clear) | |
| # loop every 20ms | |
| while term.inkey(timeout=0.02) != 'q': | |
| # erase, | |
| txt_erase = term.move_xy(*roundxy(x, y)) + ' ' | |
| # bounce, | |
| if x >= (term.width - 1) or x <= 0: | |
| xs *= -1 | |
| if y >= term.height or y <= 0: | |
| ys *= -1 | |
| # move, | |
| x, y = x + xs, y + ys | |
| # draw ! | |
| txt_ball = term.move_xy(*roundxy(x, y)) + '█' | |
| print(txt_erase + txt_ball, end='', flush=True) | |