self.hide()
@when_I_receive('Update_Score')
def show_correct_digit(self):
self.switch_costume('digit-%d' % GlobalVariables.score_1)
self.show()
class Score_2(Sprite):
Costumes = score_costumes
@when_green_flag_clicked
def set_position_and_size(self):
self.go_to_xy(220, 162)
self.hide()
@when_I_receive('Update_Score')
def show_correct_digit(self):
self.switch_costume('digit-%d' % GlobalVariables.score_2)
self.show()
project = Project()
project.register_stage_class(PongStage)
project.register_sprite_class(Player_1)
project.register_sprite_class(Player_2)
project.register_sprite_class(Score_1)
project.register_sprite_class(Score_2)
project.register_sprite_class(Ball)
project.go_live()
Costumes = [('yellow-ball', 'ball.png', 8, 8)]
def __init__(self):
Sprite.__init__(self)
self.keys_pressed = ''
self.go_to_xy(100, 50)
@when_green_flag_clicked
def move(self):
self.change_x(50)
pytch.wait_seconds(0.5)
self.change_x(60)
@when_key_pressed('w')
def move_up(self):
self.change_y(10)
@when_key_pressed('s')
def move_down_lots(self):
self.change_y(-100)
@when_I_receive('check-keys')
def check_keys(self):
self.keys_pressed = ''.join(kn for kn in 'abc' if key_is_pressed(kn))
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(Ball)
import pytch
from pytch import (
Sprite,
Stage,
Project,
)
class Ball(Sprite):
Costumes = [('yellow-ball', 'ball.png', 8, 8)]
class Table(Stage):
Backdrops = [('wooden', 'wooden-stage.png'),
('white', 'solid-white-stage.png')]
project = Project()
project.register_sprite_class(Ball)
project.register_stage_class(Table)
# It's a bit clunky to hard-code the location here, but we pass the
# code in as if it were <stdin>, so there's no real way to get the
# true path in this code.
import sys
sys.path.insert(0, "py/project")
import increment_list_elements
class Counter(Sprite):
def __init__(self):
Sprite.__init__(self)
self.xs = [0] * 5
@when_I_receive("go-while")
def modify_list_with_while(self):
increment_list_elements.increment_every_elt_with_while(self.xs)
for i in range(5):
self.xs[i] += 1
@when_I_receive("go-for")
def modify_list_with_for(self):
increment_list_elements.increment_every_elt_with_for(self.xs)
for i in range(5):
self.xs[i] += 1
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(Counter)
import pytch
from pytch import (
Project,
)
project = Project()
project.go_live()
class Scanner(Sprite):
@when_green_flag_clicked
def init(self):
# Store the IDs rather than the actual Alien objects, because
# Sk.ffi.remapToJs() does not know how to handle Alien instances.
self.got_ids = 0
@when_I_receive('get-original')
def get_original(self):
self.got_ids = Alien.the_original().id
@when_I_receive('get-clones')
def get_clones(self):
self.got_ids = sorted([a.id for a in Alien.all_clones()])
@when_I_receive('get-instances')
def get_instances(self):
self.got_ids = sorted([a.id for a in Alien.all_instances()])
@when_I_receive('get-stage')
def get_stage(self):
self.got_ids = WhiteSheet.the_only().id
# --cut-here-for-auto-config--
project = Project()
project.register_stage_class(WhiteSheet)
project.register_sprite_class(Alien)
project.register_sprite_class(Scanner)
class Galaxies(Stage):
def __init__(self):
Stage.__init__(self)
self.generated_id = 42
class Alien(Sprite):
def __init__(self):
Sprite.__init__(self)
self.generated_id = next_global_id()
@when_I_start_as_a_clone
def get_fresh_id(self):
self.generated_id = next_global_id()
@when_I_receive('clone-self')
def clone_self(self):
pytch.create_clone_of(self)
@when_I_receive('hide-if-lt-102')
def hide_if_lt_102(self):
if self.generated_id < 102:
self.hide()
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(Alien)
project.register_stage_class(Galaxies)
import pytch
from pytch import (
Sprite,
Project,
when_I_receive,
)
class InvisibleThing(Sprite):
Costumes = []
@when_I_receive('show-yourself')
def try_to_show(self):
self.show()
project = Project()
project.register_sprite_class(InvisibleThing)
import pytch
from pytch import (
Stage,
Project,
)
class InvisibleStage(Stage):
Backdrops = []
project = Project()
project.register_stage_class(InvisibleStage)
class SetVis:
def set_visibility(self, visible):
if visible:
self.show()
else:
self.hide()
class Square(Sprite, SetVis):
Costumes = [('square', 'square-80x80.png', 20, 30)]
def __init__(self):
Sprite.__init__(self)
self.go_to_xy(-50, -90)
class Rectangle(Sprite, SetVis):
Costumes = [('rectangle', 'rectangle-60x30.png', 50, 10)]
def __init__(self):
Sprite.__init__(self)
self.go_to_xy(10, -90)
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(Square)
project.register_sprite_class(Rectangle)
import pytch
from pytch import (
Project,
Stage,
)
class Scenery(Stage):
def __init__(self):
Stage.__init__(self)
self.colour = 'red'
# --cut-here-for-auto-config--
project = Project()
project.register_stage_class(Scenery)
when_green_flag_clicked,
when_I_receive,
when_key_pressed,
)
class FlagClickCounter(Sprite):
def __init__(self):
Sprite.__init__(self)
self.n_clicks = 0
@when_green_flag_clicked
def note_click(self):
self.n_clicks += 1
pytch.wait_seconds(0)
self.n_clicks += 1
@when_I_receive('reset')
def reset_n_clicks(self):
self.n_clicks = 0
@when_key_pressed('x')
def forget_a_click(self):
self.n_clicks -= 1
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(FlagClickCounter)
class T1(Sprite):
def __init__(self):
Sprite.__init__(self)
self.counter = 0
@when_green_flag_clicked
def start_counting(self):
self.counter = 0
while True:
self.counter += 1
class T2(Sprite):
def __init__(self):
Sprite.__init__(self)
self.counter = 0
@when_green_flag_clicked
def start_counting(self):
self.counter = 0
while True:
self.counter += 1
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(T1)
project.register_sprite_class(T2)
import pytch
from pytch import Project, Sprite, Stage, when_I_receive
class Alien(Sprite):
Costumes = [('marching', 'marching-alien.png', 25, 25)]
@when_I_receive('switch-costume')
def switch_to_bad_costume(self):
self.switch_costume('angry')
class Table(Stage):
Backdrops = [('wooden', 'wooden-stage.png')]
@when_I_receive('switch-backdrop')
def switch_to_bad_backdrop(self):
self.switch_backdrop('plastic')
project = Project()
project.register_sprite_class(Alien)
project.register_stage_class(Table)
def switch_backdrop_by_number(self):
self.switch_backdrop(1)
self.print_current_backdrop()
self.switch_backdrop(0)
self.print_current_backdrop()
self.switch_backdrop(1)
self.print_current_backdrop()
self.switch_backdrop(2)
self.print_current_backdrop()
self.switch_backdrop(1)
self.print_current_backdrop()
@pytch.when_I_receive("switch-to-wooden")
def switch_to_wooden(self):
self.switch_backdrop("wooden-stage")
@pytch.when_I_receive("switch-to-sky")
def switch_to_sky(self):
self.switch_backdrop("sunny-sky")
@pytch.when_I_receive("switch-to-white")
def switch_to_white(self):
self.switch_backdrop("solid-white-stage")
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(Alien)
project.register_stage_class(Background)
class Sender(Sprite):
def __init__(self):
Sprite.__init__(self)
self.n_steps = 0
@when_green_flag_clicked
def send_message(self):
self.n_steps += 1
pytch.broadcast_and_wait('something-happened')
self.n_steps += 1
class Receiver(Sprite):
def __init__(self):
Sprite.__init__(self)
self.n_events = 0
@when_I_receive('something-happened')
def note_event(self):
self.n_events += 1
pytch.wait_seconds(0)
self.n_events += 1
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(Sender)
project.register_sprite_class(Receiver)
@when_I_receive('clone-self')
def clone_self(self):
pytch.create_clone_of(self)
class Broom(Sprite):
def __init__(self):
Sprite.__init__(self)
self.copied_id = 1
@when_I_start_as_a_clone
def update_id(self):
self.copied_id += 1
if self.copied_id < 5:
pytch.create_clone_of(self)
@when_I_receive('clone-self')
def clone_self(self):
pytch.create_clone_of(self)
@when_I_receive('destroy-broom-clones')
def self_destruct(self):
self.delete_this_clone()
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(Alien)
project.register_sprite_class(Broom)
@when_I_receive('play-trumpet')
def play_trumpet(self):
self.played_trumpet = 'no'
self.start_sound('trumpet')
self.played_trumpet = 'yes'
@when_I_receive('play-violin')
def play_violin(self):
self.played_violin = 'no'
self.play_sound_until_done('violin')
self.played_violin = 'yes'
@when_I_receive('play-both')
def play_both(self):
self.played_both = 'no'
self.start_sound('trumpet')
self.played_both = 'nearly'
self.play_sound_until_done('violin')
self.played_both = 'yes'
@when_I_receive('silence')
def silence(self):
pytch.stop_all_sounds()
# --cut-here-for-auto-config--
project = Project()
project.register_sprite_class(Orchestra)