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# SPDX-FileCopyrightText: 2018 Dave Astels for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""
FlappyBird type game for the NeoTrellisM4
Adafruit invests time and resources providing this open source code.
Please support Adafruit and open source hardware by purchasing
products from Adafruit!
Written by Dave Astels for Adafruit Industries
Copyright (c) 2018 Adafruit Industries
Licensed under the MIT license.
All text above must be included in any redistribution.
"""
# pylint: disable=wildcard-import,unused-wildcard-import,eval-used
import game
import board
import adafruit_trellism4
import adafruit_adxl34x
import busio
from color_names import *
trellis = adafruit_trellism4.TrellisM4Express()
trellis.pixels.auto_write = False
i2c = busio.I2C(board.ACCELEROMETER_SCL, board.ACCELEROMETER_SDA)
accelerometer = adafruit_adxl34x.ADXL345(i2c)
the_game = game.Game(trellis, accelerometer)
for x in range(8):
for y in range(4):
if x > 3:
trellis.pixels[x, y] = BLUE
else:
trellis.pixels[x, y] = YELLOW
trellis.pixels.show()
keys = []
while not keys:
keys = trellis.pressed_keys
while True:
the_game.play(keys[0][0] < 4) # False = key, True = accel
# SPDX-FileCopyrightText: 2018 Dave Astels for Adafruit Industries # # SPDX-License-Identifier: MIT """ RGB Color Names Adafruit invests time and resources providing this open source code. Please support Adafruit and open source hardware by purchasing products from Adafruit! Copyright (c) 2018 Adafruit Industries Licensed under the MIT license. All text above must be included in any redistribution. """ RED = 0xFF0000 MAROON = 0x800000 ORANGE = 0xFF8000 YELLOW = 0xFFFF00 OLIVE = 0x808000 GREEN = 0x008000 AQUA = 0x00FFFF TEAL = 0x008080 BLUE = 0x0000FF NAVY = 0x000080 PURPLE = 0x800080 PINK = 0xFF0080 WHITE = 0xFFFFFF BLACK = 0x000000
# SPDX-FileCopyrightText: 2018 Dave Astels for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""
FlappyBird type game for the NeoTrellisM4
Adafruit invests time and resources providing this open source code.
Please support Adafruit and open source hardware by purchasing
products from Adafruit!
Written by Dave Astels for Adafruit Industries
Copyright (c) 2018 Adafruit Industries
Licensed under the MIT license.
All text above must be included in any redistribution.
"""
# pylint: disable=wildcard-import,unused-wildcard-import,eval-used
import time
import random
import math
from bird import Bird
from post import Post
from color_names import *
BLACK = 0x000000
class Game(object):
"""Overall game control."""
def __init__(self, trellis, accel, ramp=20, challenge_ramp=30):
"""initialize a Game instance.
trellis -- the TrellisM4Express instance to use as input and screen.
accel -- the accelerometer interface object to use as input
ramp -- how often (in steps) to increase the speed (default 20)
challenge_ramp -- how often (in steps) to increase the challenge of the posts
"""
self._trellis = trellis
self._accel = accel
self._delay_ramp = ramp
self._challenge_ramp = challenge_ramp
self._bird = Bird()
self._posts = []
self._interstitial_delay = 1.0
self._challenge = 10
self._currently_pressed = set([])
self._previous_accel_reading = (None, None, None)
self._previous_shake_result = False
def _restart(self):
"""Restart the game."""
self._bird = Bird()
self._posts = []
self._interstitial_delay = 0.5
self._challenge = 10
def _update(self):
"""Perform a periodic update: move the posts and remove any that go off the screen."""
for post in self._posts:
post.update()
if self._posts and self._posts[0].off_screen:
self._posts.pop(0)
def _shaken(self):
"""Return whether the Trellis is shaken."""
last_result = self._previous_shake_result
result = False
x, y, z = self._accel.acceleration
if self._previous_accel_reading[0] is not None:
result = math.fabs(self._previous_accel_reading[2] - z) > 4.0
self._previous_accel_reading = (x, y, z)
self._previous_shake_result = result
return result and not last_result
def _key_pressed(self):
"""Return whether a key was pressed since last time."""
pressed = set(self._trellis.pressed_keys)
key_just_pressed = len(pressed - self._currently_pressed) > 0
self._currently_pressed = pressed
return key_just_pressed
def _should_flap(self, mode):
"""Return whether the user wants the bird to flap.
mode -- input mode: False is key, True is accel
"""
if mode:
return self._shaken()
return self._key_pressed()
def _update_bird(self, mode):
"""Update the vertical position of the bird based on user activity and gravity.
mode -- input mode: False is key, True is accel
"""
self._bird.draw_on(self._trellis, BLACK)
if self._should_flap(mode):
self._bird.flap()
else:
self._bird.update()
self._bird.draw_on(self._trellis)
self._trellis.pixels.show()
def _check_for_collision(self):
"""Return whether this bird has collided with a post."""
collided = self._bird.did_hit_ground()
for post in self._posts:
collided |= self._bird.is_colliding_with(post)
return collided
def _update_display(self):
"""Update the screen."""
self._trellis.pixels.fill(BLACK)
for post in self._posts:
post.draw_on(self._trellis)
self._bird.draw_on(self._trellis)
self._trellis.pixels.show()
def _new_post(self):
"""Return a new post based on the current challenge level"""
bottom_blocks = random.randint(1, 3)
top_blocks = random.randint(1, 2)
# bottom post
if self._challenge > 6:
return Post(from_bottom=bottom_blocks)
# top possible as well
if self._challenge > 3:
if random.randint(1, 2) == 1:
return Post(from_bottom=bottom_blocks)
return Post(from_top=top_blocks)
# top, bottom, and both possible
r = random.randint(1, 3)
if r == 1:
return Post(from_bottom=bottom_blocks)
if r == 2:
return Post(from_top=top_blocks)
return Post(from_bottom=bottom_blocks, from_top=random.randint(1, 4 - bottom_blocks))
def _add_post(self):
"""Add a post."""
self._posts.append(self._new_post())
def play(self, mode=False):
"""Play the game.
mode -- input mode: False is key, True is accel
"""
self._restart()
collided = False
count = 0
last_tick = 0
while not collided:
now = time.monotonic()
self._update_bird(mode)
if now >= last_tick + self._interstitial_delay:
last_tick = now
count += 1
self._update()
collided = self._check_for_collision()
if count % max(1, (self._challenge - random.randint(0, 4))) == 0:
self._add_post()
self._update_display()
# handle collision or wait and repeat
if collided:
self._bird.flash(self._trellis)
else:
# time to speed up?
if count % self._delay_ramp == 0:
self._interstitial_delay -= 0.01
# time to increase challenge of the posts?
if self._challenge > 0 and count % self._challenge_ramp == 0:
self._challenge -= 1
time.sleep(0.05)
# SPDX-FileCopyrightText: 2018 Dave Astels for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""
FlappyBird type game for the NeoTrellisM4
Adafruit invests time and resources providing this open source code.
Please support Adafruit and open source hardware by purchasing
products from Adafruit!
Written by Dave Astels for Adafruit Industries
Copyright (c) 2018 Adafruit Industries
Licensed under the MIT license.
All text above must be included in any redistribution.
"""
# pylint: disable=wildcard-import,unused-wildcard-import,eval-used
import time
from color_names import *
class Bird(object):
"""The 'bird': the user's piece."""
def __init__(self, weight=0.5):
"""Initialize a Bird instance.
weight -- the weight of the bird (default 0.5)
"""
self._position = 0.75
self._weight = weight
def _y_position(self):
"""Get the verical pixel position."""
if self._position >= 0.75:
return 0
elif self._position >= 0.5:
return 1
elif self._position >= 0.25:
return 2
return 3
def _move_up(self, amount):
"""Move the bird up.
amount -- how much to move up, 0.0-1.0
"""
self._position = min(1.0, self._position + amount)
def _move_down(self, amount):
"""Move the bird down.
amount -- how much to move down, 0.0-1.0
"""
self._position = max(0.0, self._position - amount)
def flap(self):
"""Flap. This moves the bird up by a fixed amount."""
self._move_up(0.25)
def update(self):
"""Periodic update: add the effect of gravity."""
self._move_down(0.05 * self._weight)
def did_hit_ground(self):
"""Return whether this bird hit the ground."""
return self._position == 0.0
def is_colliding_with(self, post):
"""Check for a collision.
post -- the Post instance to check for a collicion with
"""
return post.is_collision_at(3, self._y_position())
def draw_on(self, trellis, color=YELLOW):
"""Draw the bird.
trellis -- the TrellisM4Express instance to use as a screen
color -- the color to display as (default YELLOW)
"""
trellis.pixels[3, self._y_position()] = color
def flash(self, trellis):
"""Flash between RED and YELLOW to indicate a collision.
trellis -- the TrellisM4Express instance to use as a screen """
for _ in range(5):
time.sleep(0.1)
self.draw_on(trellis, RED)
trellis.pixels.show()
time.sleep(0.1)
self.draw_on(trellis, YELLOW)
trellis.pixels.show()
# SPDX-FileCopyrightText: 2018 Dave Astels for Adafruit Industries
#
# SPDX-License-Identifier: MIT
"""
FlappyBird type game for the NeoTrellisM4
Adafruit invests time and resources providing this open source code.
Please support Adafruit and open source hardware by purchasing
products from Adafruit!
Written by Dave Astels for Adafruit Industries
Copyright (c) 2018 Adafruit Industries
Licensed under the MIT license.
All text above must be included in any redistribution.
"""
# pylint: disable=wildcard-import,unused-wildcard-import,eval-used
from color_names import *
class Post(object):
"""Obstacles the user must avoice colliding with."""
def __init__(self, from_bottom=0, from_top=0):
"""Initialize a Post instance.
from_bottom -- how far the post extends from the bottom of the screen (default 0)
from_top -- how far the post extends from the top of the screen (default 0)
"""
self._x = 7
self._top = from_top
self._bottom = from_bottom
def update(self):
"""Periodic update: move one step to the left."""
self._x -= 1
def _on_post(self, x, y):
"""Determine whether the supplied coordinate is occupied by part of this post.
x -- the horizontal pixel coordinate
y -- the vertical pixel coordinate
"""
return x == self._x and (y < self._top or y > (3 - self._bottom))
def draw_on(self, trellis):
"""Draw this post on the screen.
trellis -- the TrellisM4Express instance to use as a screen
"""
for i in range(4):
if self._on_post(self._x, i):
trellis.pixels[self._x, i] = GREEN
def is_collision_at(self, x, y):
"""Determine whether something at the supplied coordinate is colliding with this post.
x -- the horizontal pixel coordinate
y -- the vertical pixel coordinate
"""
return self._on_post(x, y)
@property
def off_screen(self):
"""Return whether this post has moved off the left edge of the screen."""
return self._x < 0
Page last edited January 22, 2025
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