matrix.py 文件源码

def tick(self, scr, steps):
        height, width = scr.getmaxyx()
        if self.advances(steps):
            # if window was resized and char is out of bounds, reset
            self.out_of_bounds_reset(width, height)
            # make previous char curses.A_NORMAL
            if USE_COLORS:
                scr.addstr(self.y, self.x, self.char, curses.color_pair(COLOR_CHAR_NORMAL))
            else:
                scr.addstr(self.y, self.x, self.char, curses.A_NORMAL)

            # choose new char and draw it A_REVERSE if not out of bounds
            self.char = random.choice(FallingChar.matrixchr).encode(encoding)
            self.y += 1
            if not self.out_of_bounds_reset(width, height):
                if USE_COLORS:
                    scr.addstr(self.y, self.x, self.char, curses.color_pair(COLOR_CHAR_HIGHLIGHT))
                else:
                    scr.addstr(self.y, self.x, self.char, curses.A_REVERSE)