def win():
string = "You won! Score: %i" % (score)
msg = led_matrix.LEDText(string, font_name='large')
for i in range(len(string) * 6 + 15):
led_matrix.fill(0)
led_matrix.text(msg, (15 - i, 7))
led_matrix.show()
sys.exit(0)
def lose():
string = "You lost! Score: %i" % (score)
msg = led_matrix.LEDText(string, font_name='large')
for i in range(len(string) * 6 + 15):
led_matrix.fill(0)
led_matrix.text(msg, (15 - i, 7))
led_matrix.show()
# time.sleep(0.1)
sys.exit(0)
def win():
GPIO.cleanup()
text = "You Won in %is" % (int(time.time() - start_time))
msg = led_matrix.LEDText(text, font_name="large")
for i in range(len(text) * 6 + 15):
led_matrix.fill(0)
led_matrix.text(msg, (15 - i, 7))
led_matrix.show()
time.sleep(0.1)
sys.exit()
def lose():
GPIO.cleanup()
text = "Game Over!"
msg = led_matrix.LEDText(text, font_name="large")
for i in range(len(text) * 6 + 15):
led_matrix.fill(0)
led_matrix.text(msg, (15 - i, 7))
led_matrix.show()
time.sleep(0.1)
sys.exit(0)
def scroll_text(string):
"""Scrolls the given text"""
msg = led_matrix.LEDText(string, font_name='large')
prev_state = state
for i in range(len(string)*6 + 15):
if state != prev_state:
return # leav if state has changed in the middle of scrolling
led_matrix.erase()
led_matrix.text(msg, (15 - i, 7))
led_matrix.show()
time.sleep(0.1)
def __init__(self, menu_items, show_loading=False):
items = []
# convert titles
for i, item in enumerate(menu_items):
if show_loading:
led_matrix.erase()
led_matrix.text(str(len(menu_items) - i))
led_matrix.show()
f = os.path.join(os.path.dirname(os.path.abspath(__file__)),
item[1])
if not os.path.isfile(f):
raise IOError("File '" + f + "' could not be found.")
items.append({
"title": item[0],
"file": f,
"text": led_matrix.LEDText(item[0], font_name="large")
})
self.items = items
self.scrolling_text_pos = 0
self.scrolling_text_clock = Menu.HOLD_CLOCK_TIME # clock used to slow down scrolling text
self.scrolling_text_cycle = 5 # number of cycles between scrolling tick
from rstem import led_matrix
import time
led_matrix.init_grid() # This sets up the led matrix. It must be run before displaying anything.
led_matrix.erase() # This clears the led matrix display incase anything is currently being displayed.
# Scrolling the led matrix. ===============================================
# Create a variable that holds information about the sprite
my_text_sprite = led_matrix.LEDText("Hello World!")
# Make a while loop that keeps looping forever
while True: # by making the conditional True, the while loop will never break because True is always True!
# Get the width of the text in pixels.
text_width = my_text_sprite.width # this is the number of LEDs wide our my_text_sprite is.
# Set the original x value to be the width of the led matrix display.
x = led_matrix.width() # this is the number of LEDs wide the display is.
# Make another while loop that keeps moving the text to the left.
# - When x is less then -text_width, our text will not be on the display anymore.
# - When this happens we want to stop this while loop and run through the outside while loop.
while x > -text_width: # when x is less then -text_width, our text will not be on the display anymore
# Erase the previous drawn text
led_matrix.erase()
# Draw the text at this current x position
led_matrix.sprite(text, (x, 0))
# set button handler to physical buttons
GPIO.setmode(GPIO.BCM)
for button in [UP, DOWN, LEFT, RIGHT, SELECT, START, A, B]:
GPIO.setup(button, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(button,
GPIO.FALLING,
callback=button_handler,
bouncetime=100)
# notify of progress
print("P90")
sys.stdout.flush()
# create intro title (a vertical display of "TETRIS")
title = led_matrix.LEDText("S").rotate(90)
for character in reversed("TETRI"):
# append a 1 pixel wide (high) spacing
title.append(led_matrix.LEDSprite(width=1, height=title.height))
# append next character
title.append(led_matrix.LEDText(character).rotate(90))
# rotate title up
title.rotate(-90)
# notify menu we are ready for the led matrix
print("READY")
sys.stdout.flush()
while True:
# state when a piece is slowly moving down the display
if curr_state == State.MOVINGDOWN:
curr_state = State.PLAYING
GPIO.setmode(GPIO.BCM)
for but in [A, START, SELECT]:
GPIO.setup(but, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(but,
GPIO.FALLING,
callback=button_handler,
bouncetime=200)
# notify of progress
print("P70")
sys.stdout.flush()
title = led_matrix.LEDText("STACK-EM", font_name="large")
# notify of progress
print("P80")
sys.stdout.flush()
# create intro title (a vertical display of "STACKEM")
title = led_matrix.LEDText("M").rotate(90)
for character in reversed("STACKE"):
# append a 1 pixel wide (high) spacing
title.append(led_matrix.LEDSprite(width=1, height=title.height))
# append next character
title.append(led_matrix.LEDText(character).rotate(90))
# rotate title up
title.rotate(-90)
DOWN = 24
LEFT = 23
RIGHT = 18
START = 27
SELECT = 22
# states
IN_MENU = 1
IN_GAME = 2
KONAMI = 3
curr_state = IN_MENU
konami_number = 0
konami_code = [UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT, B, A]
loading_text = led_matrix.LEDText("LOADING...")
class Menu(object):
HOLD_CLOCK_TIME = -15 # number of cycles to hold scrolling text
def __init__(self, menu_items, show_loading=False):
items = []
# convert titles
for i, item in enumerate(menu_items):
if show_loading:
led_matrix.erase()
led_matrix.text(str(len(menu_items) - i))
led_matrix.show()
f = os.path.join(os.path.dirname(os.path.abspath(__file__)),
if len(snake.body) >= field.size:
curr_state = State.WIN
continue
# if snake has got the apple, set up a new apple and start growing
if snake.head() == field.apple:
field.new_apple(snake) # create new apple
score += 1
snake.growing = True # snake starts growing
snake.grow_clock = GROW_CYCLES # reset grow clock
time.sleep(.20)
elif curr_state == State.IDLE:
# display horizontal scrolling title
title = led_matrix.LEDText("SNAKE", font_name="large")
x_pos = led_matrix.width() - 1
y_pos = led_matrix.height() / 2 - title.height / 2
while x_pos > -title.width - 1:
# break if state has changed, so we don't have to wait for it to finish
if curr_state != State.IDLE:
break
led_matrix.erase()
led_matrix.sprite(title, (x_pos, 1))
led_matrix.show()
time.sleep(.1)
x_pos -= 1
elif curr_state == State.RESET:
snake = Snake()
field = Field(led_matrix.width(), led_matrix.height())
if ship.collided():
state.skipto(GAME_OVER)
if state.current() == WALL_SCENE:
state.next_if_after(10)
elif state.current() == WALL_2_ENEMY_SCENE:
state.next_if_after(3)
elif state.current() == ENEMY_SCENE:
if len(enemies) == 0: # if all enemies killed
state.next()
elif state.current() == BIG_BOSS:
state.next()
elif state.current() == GAME_OVER:
# Scroll "GAME OVER" message
text = led_matrix.LEDText("GAME OVER!!!")
pos_x, pos_y = (led_matrix.width(), 0)
while -pos_x < text.width:
if exit:
break # break if user pressed the start button
time.sleep(.1)
led_matrix.erase()
led_matrix.text(text, (pos_x, pos_y))
led_matrix.show()
pos_x -= 1
state.next()
t = next_tick - time.time()
if t > 0:
time.sleep(t)
print("P70")
sys.stdout.flush()
GPIO.setmode(GPIO.BCM)
GPIO.setup(START, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(SELECT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
# notify of progress
print("P100")
sys.stdout.flush()
# notify menu we are ready for the led matrix
print("READY")
sys.stdout.flush()
while True:
if GPIO.input(START) == 0 or GPIO.input(SELECT) == 0:
button.cleanup()
led_matrix.cleanup()
sys.exit(0)
hour = time.strftime("%I", time.localtime())
hour = led_matrix.LEDText(hour)
minute = time.strftime("%M", time.localtime())
minute = led_matrix.LEDText(minute)
led_matrix.erase()
led_matrix.text(hour)
led_matrix.text(minute, (hour.width + 2, 0))
led_matrix.show()
RIGHT = 18
START = 27
SELECT = 22
# accelometer threshold
THRESHOLD = 3
class State(object):
PLAYING, IDLE, SCORE, EXIT = range(4)
# starting variables
state = State.IDLE
field = None
title = led_matrix.LEDText(
"ASPIRIN - Press A to use accelometer or B to use buttons")
# notify of progress
print("P90")
sys.stdout.flush()
class Direction(object):
LEFT, RIGHT, UP, DOWN = range(4)
class Apple(object):
def __init__(self, position):
self.position = position
def draw(self):
