def main():
theFloor = getNewFloor()
paintedAreas = set()
# Generate painters:
painters = []
for color in THE_PAINTERS:
painters.append(Painter(color, theFloor))
bext.fg('black')
bext.clear()
while True: # Main simulation loop.
for painter in painters:
# Keep track of the painted floors:
paintedAreas.add((painter.x, painter.y))
if len(paintedAreas) == WIDTH * HEIGHT:
# Move the text cursor to the bottom right so that
# new text doesn't overwrite our painting.
bext.goto(bext.width() - 1, bext.height() - 1)
print() # Print a newline.
print('Seed: {} Width: {} Height: {}'.format(
SEED, (WIDTH + 1) * 2, HEIGHT))
sys.exit() # The floor is completely painted, so quit.
painter.move()
sys.stdout.flush()
time.sleep(PAUSE_LENGTH)
def main():
bext.bg('black')
bext.fg('white')
bext.clear()
print('''Flood It, by Al Sweigart [email protected]
Set the color of the upper left square, which fills in all the
adjacent squares of that color. Try to make the entire board the
same color.''')
gameBoard = getNewBoard()
movesLeft = 20
while True: # Main game loop.
displayBoard(gameBoard)
print('Moves left:', movesLeft)
playerMove = askForPlayerMove()
changeTile(playerMove, gameBoard, 0, 0)
movesLeft -= 1
if hasWon(gameBoard):
displayBoard(gameBoard)
print('You have won!')
break
elif movesLeft == 0:
displayBoard(gameBoard)
print('You have run out of moves!')
break
def display(self):
for zombie in self.zombies:
bext.goto(zombie._x, zombie._y)
bext.fg(zombie.color)
# Display the zombie's text character:
if zombie.direction == NORTH:
print(FACE_UP, end='')
elif zombie.direction == SOUTH:
print(FACE_DOWN, end='')
elif zombie.direction == EAST:
print(FACE_RIGHT, end='')
elif zombie.direction == WEST:
print(FACE_LEFT, end='')
# Display a count of each kind of zombie:
# TODO - potential bug - erase full first
bext.goto(0, HEIGHT)
count = {}
for zombie in self.zombies:
count.setdefault(zombie.__class__, 0)
count[zombie.__class__] += 1
for zombieType in sorted(count.keys(), key=lambda x: x.__name__):
bext.fg(zombieType.color)
print(zombieType.__name__ + ': ' + str(count[zombieType]) + ' ', end='')
print('', flush=True)
def drawMower(x, y, direction):
bext.fg('red')
if direction == 'right':
mowerText = MOWER_RIGHT
elif direction == 'left':
mowerText = MOWER_LEFT
for i in range(MOWER_LEN):
if 0 <= mowerx + i < WIDTH:
bext.goto(x + i, mowery)
print(mowerText[i], end='')
def drawMower(mowerx, mowery, direction):
"""Draw the lawn mower with its left edge at mowerx, mowery."""
bext.fg('red')
if direction == 'right':
mowerText = MOWER_RIGHT
elif direction == 'left':
mowerText = MOWER_LEFT
for i in range(MOWER_LEN):
if 0 <= mowerx + i < WIDTH:
bext.goto(mowerx + i, mowery)
print(mowerText[i], end='')
def displayBoard(board, displayMode):
"""Display the board on the screen."""
bext.fg('white')
# Display the top edge of the board:
print(DOWNRIGHT + (LEFTRIGHT * BOARD_WIDTH) + DOWNLEFT)
# Display each row:
for y in range(BOARD_HEIGHT):
bext.fg('white')
if y == 0: # The first row begins with '>'.
print('>', end='')
else: # Later rows begin with a white vertical line.
print(UPDOWN, end='')
# Display each tile in this row:
for x in range(BOARD_WIDTH):
bext.fg(COLORS_MAP[board[(x, y)]])
if displayMode == COLOR_MODE:
print(BLOCK, end='')
elif displayMode == SHAPE_MODE:
print(SHAPES_MAP[board[(x, y)]], end='')
bext.fg('white')
print(UPDOWN) # Rows end with a white vertical line.
# Display the bottom edge of the board:
print(UPRIGHT + (LEFTRIGHT * BOARD_WIDTH) + UPLEFT)
def drawAquarium():
"""Draw the aquarium on the screen."""
global FISHES, BUBBLERS, BUBBLES, KELP, STEP
# Draw quit message.
bext.fg('white')
bext.goto(0, 0)
print('Fish Tank, by Al Sweigart Ctrl-C to quit.', end='')
# Draw the bubbles:
bext.fg('white')
for bubble in BUBBLES:
bext.goto(bubble['x'], bubble['y'])
print(random.choice(('o', 'O')), end='')
# Draw the fish:
for fish in FISHES:
bext.goto(fish['x'], fish['y'])
# Get the correct right- or left-facing fish text.
if fish['goingRight']:
fishText = fish['right'][STEP % len(fish['right'])]
else:
fishText = fish['left'][STEP % len(fish['left'])]
# Draw each character of the fish text in the right color.
for i, fishPart in enumerate(fishText):
bext.fg(fish['colors'][i])
print(fishPart, end='')
# Draw the kelp:
bext.fg('green')
for kelp in KELPS:
for i, kelpSegment in enumerate(kelp['segments']):
if kelpSegment == '(':
bext.goto(kelp['x'], BOTTOM_EDGE - i)
elif kelpSegment == ')':
bext.goto(kelp['x'] + 1, BOTTOM_EDGE - i)
print(kelpSegment, end='')
# Draw the sand on the bottom:
bext.fg('yellow')
bext.goto(0, HEIGHT - 1)
print(chr(9617) * (WIDTH - 1), end='') # Draws '░' characters.
sys.stdout.flush() # (Required for bext-using programs.)
def main():
# Generate snake data structures:
snakes = []
for i in range(NUMBER_OF_SNAKES):
snakes.append(Snake())
bext.clear()
while True: # Main simulation loop.
# Draw quit message.
bext.fg('white')
bext.goto(0, 0)
print('Ctrl-C to quit.', end='')
for snake in snakes:
snake.display()
for snake in snakes:
snake.moveRandom()
sys.stdout.flush()
time.sleep(PAUSE_LENGTH)
def main():
bext.fg('white')
print(' FLOOD IT! '.center(40, '*'))
gameBoard = getNewBoard()
movesLeft = 20
while True:
drawBoard(gameBoard)
print('Moves left:', movesLeft)
playerMove = getPlayerMove()
changeTile(playerMove, gameBoard, 0, 0)
movesLeft -= 1
if hasWon(gameBoard):
drawBoard(gameBoard)
print('You have won!')
break
elif movesLeft == 0:
print('You have run out of moves!')
break
def main():
theFloor = getNewFloor()
# Generate painters:
painters = []
for color in THE_PAINTERS:
painters.append(Painter(color, theFloor))
bext.fg('black')
bext.clear()
while True: # Main simulation loop.
# Draw quit message.
bext.bg('white')
bext.goto(0, 0)
print('Ctrl-C to quit.', end='')
for painter in painters:
painter.move()
sys.stdout.flush()
time.sleep(PAUSE_LENGTH)
def main():
# Generate worm data structures:
worms = []
for i in range(NUMBER_OF_WORMS):
worms.append(Worm())
bext.clear()
while True: # Main simulation loop.
# Draw quit message.
bext.fg('white')
bext.goto(0, 0)
print('Ctrl-C to quit.', end='')
for worm in worms:
worm.display()
for worm in worms:
worm.moveRandom()
sys.stdout.flush()
time.sleep(PAUSE_LENGTH)
def main():
bext.fg('yellow')
bext.clear()
# Draw the quit message:
bext.goto(0, 0)
print('Ctrl-C to quit.', end='')
# Display the walls of the hourglass:
for wall in HOURGLASS:
bext.goto(wall[X], wall[Y])
print(WALL, end='')
while True: # Main program loop.
allSand = list(INITIAL_SAND)
# Draw the initial sand:
for sand in allSand:
bext.goto(sand[X], sand[Y])
print(SAND, end='')
runHourglassSimulation(allSand)
def main():
bext.bg('black')
bext.fg('white')
bext.clear()
print('''Floodplane, by Al Sweigart [email protected]
Set the upper left color/shape, which fills in all the
adjacent squares of that color/shape. Try to make the
entire board the same color/shape.''')
print('Do you want to play in colorblind mode? Y/N')
response = input('> ')
if response.upper().startswith('Y'):
displayMode = SHAPE_MODE
else:
displayMode = COLOR_MODE
gameBoard = getNewBoard()
movesLeft = MOVES_PER_GAME
while True: # Main game loop.
displayBoard(gameBoard, displayMode)
print('Moves left:', movesLeft)
playerMove = askForPlayerMove(displayMode)
changeTile(playerMove, gameBoard, 0, 0)
movesLeft -= 1
if hasWon(gameBoard):
displayBoard(gameBoard, displayMode)
print('You have won!')
break
elif movesLeft == 0:
displayBoard(gameBoard, displayMode)
print('You have run out of moves!')
break
def displayForest(forest):
"""Display the forest data structure on the screen."""
bext.goto(0, 0)
for y in range(forest['height']):
for x in range(forest['width']):
if forest[(x, y)] == TREE:
bext.fg('green')
print(TREE, end='')
elif forest[(x, y)] == FIRE:
bext.fg('red')
print(FIRE, end='')
else:
bext.fg('reset')
print(forest[(x, y)], end='')
print()
bext.fg('reset') # Use the default font color.
print('Grow chance: {}% Lightning chance: {}%'.format(
GROW_CHANCE, LIGHTNING_CHANCE))
print('Press Ctrl-C to quit.')
def askForPlayerMove():
"""Let the player select a color to paint the upper left tile."""
while True:
bext.fg('white')
print('Choose one of ', end='')
bext.fg('red')
print('R ', end='')
bext.fg('green')
print('G ', end='')
bext.fg('blue')
print('B ', end='')
bext.fg('yellow')
print('Y ', end='')
bext.fg('cyan')
print('C ', end='')
bext.fg('purple')
print('P ', end='')
bext.fg('white')
print(' or QUIT:')
move = input('> ').upper()
if move == 'QUIT':
sys.exit()
if move in COLORS:
return move
# Langton's Ant, by Al Sweigart [email protected] # More info: https://en.wikipedia.org/wiki/Langton%27s_ant import random, copy, bext WIDTH = 79 HEIGHT = 24 NUMBER_OF_ANTS = 10 # Setup the screen: bext.fg('yellow') # Set foreground color. bext.bg('blue') # Set background color. bext.clear() # Create a new board data structure: board = {'width': WIDTH, 'height': HEIGHT} # Create ant data structures: ants = [] for i in range(NUMBER_OF_ANTS): ant = {'x': random.randint(0, WIDTH - 1), 'y': random.randint(0, HEIGHT - 1), 'direction': random.choice(['N', 'S', 'E', 'W'])} ants.append(ant) try: while len(ants) > 0: # Keep running the simulation as long as we have ants. # Draw the board data structure: bext.goto(0, 0) for y in range(board['height']): for x in range(board['width']):
def main():
bext.fg(ANT_COLOR) # The ants' color is the foreground color.
bext.bg(WHITE_TILE) # Set the background to white to start.
bext.clear()
# Create a new board data structure:
board = {'width': WIDTH, 'height': HEIGHT}
# Create ant data structures:
ants = []
for i in range(NUMBER_OF_ANTS):
ant = {
'x': random.randint(0, WIDTH - 1),
'y': random.randint(0, HEIGHT - 1),
'direction': random.choice([NORTH, SOUTH, EAST, WEST]),
}
ants.append(ant)
# Keep track of which tiles have changed and need to be redrawn on
# the screen:
changedTiles = []
while True: # Main program loop.
displayBoard(board, ants, changedTiles)
changedTiles = []
# nextBoard is what the board will look like on the next step in
# the simulation. Start with a copy of the current step's board:
nextBoard = copy.copy(board)
# Run a single simulation step for each ant:
for ant in ants:
if board.get((ant['x'], ant['y']), False) == True:
nextBoard[(ant['x'], ant['y'])] = False
# Turn clockwise:
if ant['direction'] == NORTH:
ant['direction'] = EAST
elif ant['direction'] == EAST:
ant['direction'] = SOUTH
elif ant['direction'] == SOUTH:
ant['direction'] = WEST
elif ant['direction'] == WEST:
ant['direction'] = NORTH
else:
nextBoard[(ant['x'], ant['y'])] = True
# Turn counter clockwise:
if ant['direction'] == NORTH:
ant['direction'] = WEST
elif ant['direction'] == WEST:
ant['direction'] = SOUTH
elif ant['direction'] == SOUTH:
ant['direction'] = EAST
elif ant['direction'] == EAST:
ant['direction'] = NORTH
changedTiles.append((ant['x'], ant['y']))
# Move the ant forward in whatever direction it's facing:
if ant['direction'] == NORTH:
ant['y'] -= 1
if ant['direction'] == SOUTH:
ant['y'] += 1
if ant['direction'] == WEST:
ant['x'] -= 1
if ant['direction'] == EAST:
ant['x'] += 1
# If the ant goes past the edge of the screen,
# it should wrap around to other side.
ant['x'] = ant['x'] % WIDTH
ant['y'] = ant['y'] % HEIGHT
changedTiles.append((ant['x'], ant['y']))
board = nextBoard
'y': 0,
'frequency': random.randint(2, 6),
'next': 1
}, {
'x': 10,
'y': 0,
'frequency': random.randint(2, 6),
'next': 1
}, {
'x': 30,
'y': 0,
'frequency': random.randint(2, 6),
'next': 1
}]
bext.fg('yellow')
bext.clear()
allSand = []
while True: # Main program loop.
# Generate sand from each source.
for source in sources:
if source['next'] <= 0 and (source['x'], source['y']) not in allSand:
allSand.append((source['x'], source['y']))
bext.goto(source['x'], source['y'])
print(SAND, end='')
source['next'] = source['frequency']
source['next'] -= 1
# Simulate all sand in the sandspace:
if scalex is None:
scalex = DEFAULT_SCALEX
if scaley is None:
scaley = DEFAULT_SCALEY
if translatex is None:
translatex = DEFAULT_TRANSLATEX
if translatey is None:
translatey = DEFAULT_TRANSLATEY
return (int(point1[0] * scalex + translatex),
int(point1[1] * scaley + translatey),
int(point2[0] * scalex + translatex),
int(point2[1] * scaley + translatey))
bext.fg('random')
# Set up the points of the cube:
'''
Cube points:
0+-----+1
/ /|
/ / | -y
2+-----+3 | |
| 4+ | +5 +-- +x
| | / /
| |/ +z
6+-----+7
'''
points = [[-1, -1, -1], [1, -1, -1], [-1, -1, 1], [1, -1, 1], [-1, 1, -1],
[1, 1, -1], [-1, 1, 1], [1, 1, 1]]
def drawAquarium(step):
global FISHES, BUBBLERS, BUBBLES, KELP
# Simulate the fish for one step:
for fish in FISHES:
# Move the fish horizontally:
if step % fish['hspeed'] == 0:
if fish['goingRight']:
if fish['location']['x'] != WIDTH - 1 - LONGEST_FISH_LENGTH:
fish['location']['x'] += 1 # Move the fish left.
else:
fish['goingRight'] = not fish[
'goingRight'] # Turn the fish around.
fish['colors'].reverse() # Turn the colors around too.
elif not fish['goingRight']:
if fish['location']['x'] != 0:
fish['location']['x'] -= 1 # Move the fish right.
else:
fish['goingRight'] = not fish[
'goingRight'] # Turn the fish around.
fish['colors'].reverse() # Turn the colors around too.
# Fish can randomly change their horizontal direction:
fish['hchange'] -= 1
if fish['hchange'] == 0:
fish['hchange'] = random.randint(10, 60)
fish['goingRight'] = not fish[
'goingRight'] # Turn the fish around.
# Move the fish vertically:
if step % fish['vspeed'] == 0:
if fish['goingDown']:
if fish['location']['y'] != HEIGHT - 2:
fish['location']['y'] += 1 # Move the fish down.
else:
fish['goingDown'] = not fish[
'goingDown'] # Turn the fish around.
elif not fish['goingDown']:
if fish['location']['y'] != 0:
fish['location']['y'] -= 1 # Move the fish up.
else:
fish['goingDown'] = not fish[
'goingDown'] # Turn the fish around.
# Fish can randomly change their vertical direction:
fish['vchange'] -= 1
if fish['vchange'] == 0:
fish['vchange'] = random.randint(2, 20)
fish['goingDown'] = not fish['goingDown'] # Turn the fish around.
# Generate bubbles from bubblers:
for bubbler in BUBBLERS:
if random.randint(0, 5) == 0:
BUBBLES.append({'x': bubbler, 'y': HEIGHT - 2})
# Simulate the bubbles for one step:
for bubble in BUBBLES:
r = random.randint(1, 5)
if (r == 1) and (bubble['x'] != 0):
bubble['x'] -= 1 # Bubble goes left.
elif (r == 2) and (bubble['x'] != WIDTH - 1):
bubble['x'] += 1 # Bubble goes right.
bubble['y'] -= 1 # The bubble always goes up.
# Iterate over BUBBLES in reverse because I'm modifying BUBBLES while iterating over it.
for i in range(len(BUBBLES) - 1, -1, -1):
if BUBBLES[i]['y'] == 0: # Delete bubbles that reach the top.
del BUBBLES[i]
# Simulate the kelp waving for one step:
for kelp in KELPS:
for i, kelpSegment in enumerate(kelp['segments']):
if random.randint(1, 20) == 1: # 1 in 20 chance to change waving.
if kelpSegment == '(':
kelp['segments'][i] = ')'
elif kelpSegment == ')':
kelp['segments'][i] = '('
# Draw the bubbles:
bext.fg('white')
for bubble in BUBBLES:
bext.goto(bubble['x'], bubble['y'])
print(random.choice(('o', 'O', chr(176))), end='') # 176 is '°'
# Draw the fish:
for fish in FISHES:
bext.goto(fish['location']['x'], fish['location']['y'])
# Get the correct right- or left-facing fish text.
if fish['goingRight']:
fishText = fish['right'][step % len(fish['right'])]
elif not fish['goingRight']:
fishText = fish['left'][step % len(fish['left'])]
# Draw each character of the fish text in the right color.
for i, fishPart in enumerate(fishText):
bext.fg(fish['colors'][i])
print(fishPart, end='')
# Draw the kelp:
bext.fg('green')
for kelp in KELPS:
for i, kelpSegment in enumerate(kelp['segments']):
if i == 0:
# Bottom segment is always (.
kelp['segments'][i] = '('
if kelpSegment == '(':
bext.goto(kelp['x'], HEIGHT - 2 - i)
elif kelpSegment == ')':
bext.goto(kelp['x'] + 1, HEIGHT - 2 - i)
print(kelpSegment, end='')
# Draw quit message.
bext.fg('white')
bext.goto(0, 0)
print('Ctrl-C to quit.', end='')
# Draw the sand on the bottom:
bext.fg('yellow')
bext.goto(0, HEIGHT - 1)
print(chr(9608) * (WIDTH - 1), end='') # Draws '█' characters.
def displayBoard(board):
"""Display the board on the screen."""
bext.fg('white')
print(DOWNRIGHT + (LEFTRIGHT * WIDTH) + DOWNLEFT)
# Print first row with '>'.
bext.fg('white')
print('>', end='')
for x in range(WIDTH):
bext.fg(CMAP[board[(x, 0)]])
print(BLOCK, end='')
bext.fg('white')
print(UPDOWN)
# Print each row after the first.
for y in range(1, HEIGHT):
bext.fg('white')
print(UPDOWN, end='')
for x in range(WIDTH):
bext.fg(CMAP[board[(x, y)]])
print(BLOCK, end='')
bext.fg('white')
print(UPDOWN)
bext.fg('white')
print(UPRIGHT + (LEFTRIGHT * WIDTH) + UPLEFT)
BLOCK = chr(9608)
# Ask user what speed to run the simulation at:
while True:
print('Move (F)ast or (S)low?')
speed = input().upper()
if speed == 'F' or speed == 'S':
break
width, height = bext.size()
bext.clear()
try:
while True:
bext.fg('random') # Set to a random color.
x, y = width // 2, height // 2 # Start in the middle of the screen.
# Display quit instructions:
bext.goto(0, height - 2)
print('Press Ctrl-C to quit.', end='')
while (0 <= x < width) and (0 <= y < height):
# Print the block at it's current location:
bext.goto(x, y)
print(BLOCK, end='')
# Move the block:
direction = random.randint(0, 3)
if direction == 0:
x += 1
def askForPlayerMove(displayMode):
"""Let the player select a color to paint the upper left tile."""
while True:
bext.fg('white')
print('Choose one of ', end='')
if displayMode == COLOR_MODE:
bext.fg('red')
print('(R)ed ', end='')
bext.fg('green')
print('(G)reen ', end='')
bext.fg('blue')
print('(B)lue ', end='')
bext.fg('yellow')
print('(Y)ellow ', end='')
bext.fg('cyan')
print('(C)yan ', end='')
bext.fg('purple')
print('(P)urple ', end='')
elif displayMode == SHAPE_MODE:
bext.fg('red')
print('(H)eart, ', end='')
bext.fg('green')
print('(T)riangle, ', end='')
bext.fg('blue')
print('(D)iamond, ', end='')
bext.fg('yellow')
print('(B)all, ', end='')
bext.fg('cyan')
print('(C)lub, ', end='')
bext.fg('purple')
print('(S)pade, ', end='')
bext.fg('white')
print('or QUIT:')
response = input('> ').upper()
if response == 'QUIT':
print('Thanks for playing!')
sys.exit()
if displayMode == COLOR_MODE:
# Return a tile type number based on the response:
return {'R': 0, 'G': 1, 'B': 2, 'Y': 3, 'C': 4, 'P': 5}[response]
if displayMode == SHAPE_MODE:
# Return a tile type number based on the response:
return {'H': 0, 'T': 1, 'D': 2, 'B': 3, 'C': 4, 'S': 5}[response]
def main():
bext.clear()
#generate some logos
logos = []
for i in range(NUMBER_OF_LOGOS):
logos.append({COLOR: random.choice(COLORS),
X: random.randint(1, (WIDTH - 4)),
Y: random.randint(1, HEIGHT - 1),
DIR: random.choice(DIRECTIONS)})
if logos[-1][X] % 2 == 1:
#make sure X is even so it can hit the corner
logos[-1][X] -= 1
cornerBounces = 0
while True:
for logo in logos:
#erase the logo's current position
bext.goto(logo[X], logo[Y])
print(' ', end='')
original_direction = logo[DIR]
#see if the logo bounces off the corners
if logo[X] == 0 and logo[Y] == 0:
logo[DIR] = DOWN_RIGHT
cornerBounces += 1
elif logo[X] == 0 and logo[Y] == HEIGHT - 1:
logo[DIR] = UP_RIGHT
cornerBounces += 1
elif logo[X] == WIDTH - 3 and logo[Y] == 0:
logo[DIR] == DOWN_LEFT
cornerBounces += 1
elif logo[X] == WIDTH - 3 and logo[Y] == HEIGHT - 1:
logo[DIR] == UP_LEFT
cornerBounces += 1
# See if the logo bounces off the left edge:
elif logo[X] == 0 and logo[DIR] == UP_LEFT:
logo[DIR] = UP_RIGHT
elif logo[X] == 0 and logo[DIR] == DOWN_LEFT:
logo[DIR] = DOWN_RIGHT
# See if the logo bounces off the right edge:
# (WIDTH - 3 because 'DVD' has 3 letters.)
elif logo[X] == WIDTH - 3 and logo[DIR] == UP_RIGHT:
logo[DIR] = UP_LEFT
elif logo[X] == WIDTH - 3 and logo[DIR] == DOWN_RIGHT:
logo[DIR] = DOWN_LEFT
# See if the logo bounces off the top edge:
elif logo[Y] == 0 and logo[DIR] == UP_LEFT:
logo[DIR] = DOWN_LEFT
elif logo[Y] == 0 and logo[DIR] == UP_RIGHT:
logo[DIR] = DOWN_RIGHT
# See if the logo bounces off the bottom edge:
elif logo[Y] == HEIGHT - 1 and logo[DIR] == DOWN_LEFT:
logo[DIR] = UP_LEFT
elif logo[Y] == HEIGHT - 1 and logo[DIR] == DOWN_RIGHT:
logo[DIR] = UP_RIGHT
if logo[DIR] != original_direction:
# Change color when the logo bounces:
logo[COLOR] = random.choice(COLORS)
#move the logo. (X moves by 2 because the terminal
#vharacers are twice as tall as they are wide)
if logo[DIR] == UP_RIGHT:
logo[X] += 2
logo[Y] -= 1
elif logo[DIR] == UP_LEFT:
logo[X] -= 2
logo[Y] -= 1
elif logo[DIR] == DOWN_RIGHT:
logo[X] += 2
logo[Y] += 1
elif logo[DIR] == DOWN_LEFT:
logo[X] -= 2
logo[Y] += 1
#display the number of corner bounces
bext.goto(5,0)
bext.fg('white')
print('Corner bounces:', cornerBounces, end='')
for logo in logos:
#draw the logos at their new location
bext.goto(logo[X], logo[Y])
bext.fg(logo[COLOR])
print('DVD', end='')
bext.goto(0,0)
sys.stdout.flush()
time.sleep(PAUSE_AMOUNT)
def main():
bext.clear()
# Generate some dots.
dots = []
for i in range(NUMBER_OF_DOTS):
dots.append({
COLOR: random.choice(COLORS),
X: random.randint(1, WIDTH - 2),
Y: random.randint(1, HEIGHT - 2),
DIR: random.choice(DIRECTIONS)
})
while True: # Main program loop.
for dot in dots: # Handle each dot in the dots list.
# Erase the dot's current location:
bext.goto(dot[X], dot[Y])
print(' ', end='')
# Move the dot:
if dot[DIR] == UP_RIGHT:
dot[X] += 1
dot[Y] -= 1
elif dot[DIR] == UP_LEFT:
dot[X] -= 1
dot[Y] -= 1
elif dot[DIR] == DOWN_RIGHT:
dot[X] += 1
dot[Y] += 1
elif dot[DIR] == DOWN_LEFT:
dot[X] -= 1
dot[Y] += 1
# Draw the dots at their new location:
bext.goto(dot[X], dot[Y])
bext.fg(dot[COLOR])
print(DOT_CHAR, end='')
# See if the dot bounces off the corners:
if dot[X] == 0 and dot[Y] == 0:
dot[DIR] = DOWN_RIGHT
elif dot[X] == 0 and dot[Y] == HEIGHT - 1:
dot[DIR] = UP_RIGHT
elif dot[X] == WIDTH - 1 and dot[Y] == 0:
dot[DIR] = DOWN_LEFT
elif dot[X] == WIDTH - 1 and dot[Y] == HEIGHT - 1:
dot[DIR] = UP_LEFT
# See if the dot bounces off the left edge:
elif dot[X] == 0 and dot[DIR] == UP_LEFT:
dot[DIR] = UP_RIGHT
elif dot[X] == 0 and dot[DIR] == DOWN_LEFT:
dot[DIR] = DOWN_RIGHT
# See if the dot bounces off the right edge:
elif dot[X] == WIDTH - 1 and dot[DIR] == UP_RIGHT:
dot[DIR] = UP_LEFT
elif dot[X] == WIDTH - 1 and dot[DIR] == DOWN_RIGHT:
dot[DIR] = DOWN_LEFT
# See if the dot bounces off the top edge:
elif dot[Y] == 0 and dot[DIR] == UP_LEFT:
dot[DIR] = DOWN_LEFT
elif dot[Y] == 0 and dot[DIR] == UP_RIGHT:
dot[DIR] = DOWN_RIGHT
# See if the dot bounces off the bottom edge:
elif dot[Y] == HEIGHT - 1 and dot[DIR] == DOWN_LEFT:
dot[DIR] = UP_LEFT
elif dot[Y] == HEIGHT - 1 and dot[DIR] == DOWN_RIGHT:
dot[DIR] = UP_RIGHT
sys.stdout.flush() # (Required for bext-using programs.)
time.sleep(PAUSE_AMOUNT)
balls = []
for i in range(NUMBER_OF_BALLS):
balls.append({
'color': random.choice(COLORS),
'x': random.randint(1, WIDTH - 2),
'y': random.randint(1, HEIGHT - 2),
'direction': random.choice(DIRECTIONS)
})
while True: # Main game loop.
oldBallPositions = []
for ball in balls:
# Draw our balls:
bext.goto(ball['x'], ball['y'])
bext.fg(ball['color'])
print(BALL_CHAR, end='')
oldBallPositions.append((ball['x'], ball['y']))
sys.stdout.flush() # (Required for bext-using programs.)
time.sleep(0.1)
for ball in balls:
# Move our balls:
if ball['direction'] == 'upright':
ball['x'] += 1
ball['y'] -= 1
elif ball['direction'] == 'upleft':
ball['x'] -= 1
ball['y'] -= 1
elif ball['direction'] == 'downright':
except ImportError:
print("""This program requires the bext module, which you can install by
opening a Terminal window (on macOS & Linux) and running:
python3 -m pip install --user bext
or a Command Prompt window (on Windows) and running:
python -m pip install --user bext""")
sys.exit()
indent = 10 # How many spaces to indent.
while True:
print(' ' * indent, end='')
bext.fg('red')
print('##', end='')
bext.fg('yellow')
print('##', end='')
bext.fg('green')
print('##', end='')
bext.fg('blue')
print('##', end='')
bext.fg('cyan')
print('##', end='')
bext.fg('purple')
print('##')
if random.randint(0, 1) == 0:
# Increase the number of spaces:
indent = indent + 1
bext.fg('red')
if direction == 'right':
mowerText = MOWER_RIGHT
elif direction == 'left':
mowerText = MOWER_LEFT
for i in range(MOWER_LEN):
if 0 <= mowerx + i < WIDTH:
bext.goto(x + i, mowery)
print(mowerText[i], end='')
# Draw the initially uncut grass field:
bext.clear()
bext.hide()
bext.fg('green')
for i in range(HEIGHT):
print(';' * WIDTH)
print('Press Ctrl-C to quit.')
# mowerx and mowery refer to the left edge of the lower, despite direction.
mowerx = -MOWER_LEN
mowery = 0
mowerDirection = 'right'
growMode = False
while True:
# Draw the mower:
drawMower(mowerx, mowery, mowerDirection)
# Draw the cut grass:
def main():
# Generate some points.
points = []
for i in range(NUMBER_OF_POINTS):
points.append({
'x': random.randint(1, WIDTH - 2),
'y': random.randint(1, HEIGHT - 2),
'direction': random.choice(DIRECTIONS)
})
while True: # Main game loop.
oldpointPositions = []
if random.randint(1, 50) == 1:
bext.fg('random')
for i, point in enumerate(points):
# Draw our lines:
if i == len(points) - 1:
# The last point connects to the first point.
pointA = point
pointB = points[0]
else:
pointA = point
pointB = points[i + 1]
for x, y in line(pointA['x'], pointA['y'], pointB['x'],
pointB['y']):
bext.goto(x, y)
print(LINE_CHAR, end='')
oldpointPositions.append((x, y))
sys.stdout.flush() # (Required for bext-using programs.)
time.sleep(0.1)
for point in points:
# Move our points:
if point['direction'] == 'upright':
point['x'] += 1
point['y'] -= 1
elif point['direction'] == 'upleft':
point['x'] -= 1
point['y'] -= 1
elif point['direction'] == 'downright':
point['x'] += 1
point['y'] += 1
elif point['direction'] == 'downleft':
point['x'] -= 1
point['y'] += 1
# See if our points bounce off the corners:
if point['x'] == 0 and point['y'] == 0:
point['direction'] = 'downright'
elif point['x'] == 0 and point['y'] == HEIGHT - 1:
point['direction'] = 'upright'
elif point['x'] == WIDTH - 1 and point['y'] == 0:
point['direction'] = 'downleft'
elif point['x'] == WIDTH - 1 and point['y'] == HEIGHT - 1:
point['direction'] = 'upleft'
# See if our points bounce off the walls:
elif point['x'] == 0 and point['direction'] == 'upleft':
point['direction'] = 'upright'
elif point['x'] == 0 and point['direction'] == 'downleft':
point['direction'] = 'downright'
elif point['x'] == WIDTH - 1 and point['direction'] == 'upright':
point['direction'] = 'upleft'
elif point['x'] == WIDTH - 1 and point['direction'] == 'downright':
point['direction'] = 'downleft'
elif point['y'] == 0 and point['direction'] == 'upleft':
point['direction'] = 'downleft'
elif point['y'] == 0 and point['direction'] == 'upright':
point['direction'] = 'downright'
elif point['y'] == HEIGHT - 1 and point['direction'] == 'downleft':
point['direction'] = 'upleft'
elif point['y'] == HEIGHT - 1 and point['direction'] == 'downright':
point['direction'] = 'upright'
for pos in oldpointPositions:
# Erase all of the points.
bext.goto(pos[0], pos[1])
print(' ', end='')
def display(self):
for i, (x, y) in enumerate(self.body):
bext.goto(x * 2, y)
bext.fg(self.colors[i])
print(BLOCK + BLOCK, end='')
