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994d8539f6
y coordinate), and change radius of second indicator to compensate Remove redundant setting of sradius
146 lines
3.2 KiB
Python
146 lines
3.2 KiB
Python
#!/usr/bin/env python
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#
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# $Id$
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#
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# From tclock.c, Copyright Howard Jones <ha.jones@ic.ac.uk>, September 1994.
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from math import *
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import curses, time
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ASPECT = 2.2
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def sign(_x):
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if _x < 0: return -1
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return 1
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def A2XY(angle, radius):
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return int(round(ASPECT * radius * sin(angle))), int(round(radius * cos(angle)))
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def plot(x, y, col):
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stdscr.addch(y, x, col)
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# draw a diagonal line using Bresenham's algorithm
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def dline(pair, from_x, from_y, x2, y2, ch):
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if curses.has_colors():
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stdscr.attrset(curses.color_pair(pair))
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dx = x2 - from_x
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dy = y2 - from_y
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ax = abs(dx * 2)
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ay = abs(dy * 2)
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sx = sign(dx)
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sy = sign(dy)
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x = from_x
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y = from_y
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if ax > ay:
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d = ay - ax / 2
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while 1:
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plot(x, y, ch)
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if x == x2:
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return
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if d >= 0:
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y += sy
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d -= ax
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x += sx
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d += ay
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else:
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d = ax - ay / 2
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while 1:
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plot(x, y, ch)
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if y == y2:
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return
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if d >= 0:
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x += sx
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d -= ay
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y += sy
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d += ax
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def main(win):
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global stdscr
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stdscr = win
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lastbeep = -1
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my_bg = curses.COLOR_BLACK
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stdscr.nodelay(1)
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stdscr.timeout(0)
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# curses.curs_set(0)
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if curses.has_colors():
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curses.init_pair(1, curses.COLOR_RED, my_bg)
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curses.init_pair(2, curses.COLOR_MAGENTA, my_bg)
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curses.init_pair(3, curses.COLOR_GREEN, my_bg)
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cx = (curses.COLS - 1) / 2
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cy = curses.LINES / 2
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ch = min( cy-1, int(cx / ASPECT) - 1)
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mradius = (3 * ch) / 4
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hradius = ch / 2
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sradius = 5 * ch / 6
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for i in range(0, 12):
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sangle = (i + 1) * 2.0 * pi / 12.0
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sdx, sdy = A2XY(sangle, sradius)
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stdscr.addstr(cy - sdy, cx + sdx, "%d" % (i + 1))
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stdscr.addstr(0, 0,
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"ASCII Clock by Howard Jones <ha.jones@ic.ac.uk>, 1994")
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sradius = max(sradius-4, 8)
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while 1:
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curses.napms(1000)
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tim = time.time()
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t = time.localtime(tim)
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hours = t[3] + t[4] / 60.0
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if hours > 12.0:
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hours -= 12.0
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mangle = t[4] * 2 * pi / 60.0
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mdx, mdy = A2XY(mangle, mradius)
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hangle = hours * 2 * pi / 12.0
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hdx, hdy = A2XY(hangle, hradius)
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sangle = t[5] * 2 * pi / 60.0
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sdx, sdy = A2XY(sangle, sradius)
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dline(3, cx, cy, cx + mdx, cy - mdy, ord('#'))
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stdscr.attrset(curses.A_REVERSE)
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dline(2, cx, cy, cx + hdx, cy - hdy, ord('.'))
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stdscr.attroff(curses.A_REVERSE)
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if curses.has_colors():
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stdscr.attrset(curses.color_pair(1))
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plot(cx + sdx, cy - sdy, ord('O'))
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if curses.has_colors():
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stdscr.attrset(curses.color_pair(0))
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stdscr.addstr(curses.LINES - 2, 0, time.ctime(tim))
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stdscr.refresh()
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if (t[5] % 5) == 0 and t[5] != lastbeep:
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lastbeep = t[5]
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curses.beep()
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ch = stdscr.getch()
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if ch == ord('q'):
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return 0
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plot(cx + sdx, cy - sdy, ord(' '))
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dline(0, cx, cy, cx + hdx, cy - hdy, ord(' '))
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dline(0, cx, cy, cx + mdx, cy - mdy, ord(' '))
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curses.wrapper(main)
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