class BoidLayer(ScrollableLayer):
"""Where the boids fly.
"""
is_event_handler = True
def __init__(self, how_many):
super(BoidLayer, self).__init__()
self.how_many = how_many
self.manager = ScrollingManager()
self.manager.add(self)
self.active = None
self.blackboard = blackboard.Blackboard()
self.boids = None
def makeBoids(self):
boids = []
for x in xrange(int(self.how_many)):
boid = Boid(self.blackboard)
boid.position = (random.randint(0, 200),
random.randint(0, 200))
boid.rotation = random.randint(1, 360)
self.add(boid)
boids.append(boid)
return boids
def on_enter(self):
"""Code to run when the Layer enters the scene.
"""
super(BoidLayer, self).on_enter()
self.boids = self.makeBoids()
self.manager.set_focus(0, 0)
class BoidLayer(ScrollableLayer):
"""Where the boids fly.
"""
is_event_handler = True
def __init__(self, how_many):
super(BoidLayer, self).__init__()
self.how_many = how_many
self.manager = ScrollingManager()
self.manager.add(self)
self.active = None
self.blackboard = blackboard.Blackboard()
self.boids = None
def makeBoids(self):
boids = []
for x in xrange(int(self.how_many)):
boid = Boid(self.blackboard)
boid.position = (random.randint(0, 200), random.randint(0, 200))
boid.rotation = random.randint(1, 360)
self.add(boid)
boids.append(boid)
return boids
def on_enter(self):
"""Code to run when the Layer enters the scene.
"""
super(BoidLayer, self).on_enter()
self.boids = self.makeBoids()
self.manager.set_focus(0, 0)
def __init__(self, how_many):
super(BoidLayer, self).__init__()
self.how_many = how_many
self.manager = ScrollingManager()
self.manager.add(self)
self.active = None
self.blackboard = blackboard.Blackboard()
self.boids = None
def __init__(self, how_many):
super(BoidLayer, self).__init__()
self.how_many = how_many
self.manager = ScrollingManager()
self.manager.add(self)
self.active = None
self.blackboard = blackboard.Blackboard()
self.boids = None
def __init__(self, track, cars):
Scene.__init__(self)
# This is set to true once countdown is complete.
self.started = False
self.player_finished = False
self.results = []
self.track_layer = ScrollableLayer()
self.track_layer.px_width = track.get_size()[0]
self.track_layer.px_height = track.get_size()[1]
self.track_layer.add(track)
self.track = track
self.cars = cars
self.cars_layer = ScrollableLayer()
self.scroller = ScrollingManager()
self.scroller.add(self.track_layer, z=-1)
self.scroller.add(self.cars_layer)
num_player_cars = 0
self.stats = {}
# define start grid
i = 0
grid = track.get_start()
for car in self.cars:
# Add the car to the cars layer.
self.cars_layer.add(car)
# Reset the car's state.
car.reset()
car.resume_sounds()
# Set the car's position.
car.position = grid[i][0]
car.rotation = grid[i][1]
i += 1
# Add the track to the car
car.track = track
if isinstance(car, PlayerCar):
num_player_cars += 1
self.scroller.set_focus(*car.position)
self.player_car = car
self.stats[car] = Stats(car)
assert num_player_cars == 1
self.hud = HUD(self.track.get_laps())
self.add(self.scroller, z=0)
self.add(self.hud, z=1)
self.menu = None
self.add_traffic_lights()
self.scroller.is_event_handler = True
self.scroller.on_key_press = self.on_key_press
class Race(Scene):
def __init__(self, track, cars):
Scene.__init__(self)
# This is set to true once countdown is complete.
self.started = False
self.player_finished = False
self.results = []
self.track_layer = ScrollableLayer()
self.track_layer.px_width = track.get_size()[0]
self.track_layer.px_height = track.get_size()[1]
self.track_layer.add(track)
self.track = track
self.cars = cars
self.cars_layer = ScrollableLayer()
self.scroller = ScrollingManager()
self.scroller.add(self.track_layer, z=-1)
self.scroller.add(self.cars_layer)
num_player_cars = 0
self.stats = {}
# define start grid
i = 0
grid = track.get_start()
for car in self.cars:
# Add the car to the cars layer.
self.cars_layer.add(car)
# Reset the car's state.
car.reset()
car.resume_sounds()
# Set the car's position.
car.position = grid[i][0]
car.rotation = grid[i][1]
i += 1
# Add the track to the car
car.track = track
if isinstance(car, PlayerCar):
num_player_cars += 1
self.scroller.set_focus(*car.position)
self.player_car = car
self.stats[car] = Stats(car)
assert num_player_cars == 1
self.hud = HUD(self.track.get_laps())
self.add(self.scroller, z=0)
self.add(self.hud, z=1)
self.menu = None
self.add_traffic_lights()
self.scroller.is_event_handler = True
self.scroller.on_key_press = self.on_key_press
def on_key_press(self, symbol, modifier):
if not self.player_finished and symbol == key.ESCAPE:
self.menu = MenuLayer(InGameMenu)
self.add(self.menu, z=100)
return True
def remove_menu(self):
if self.menu is not None:
self.remove(self.menu)
self.menu = None
def add_traffic_lights(self):
lights = TrafficLights()
lights.image_anchor_y = 0
lights.x = director.window.width / 2
origin_y = director.window.height
target_y = director.window.height - lights.image.height
lights.y = origin_y
self.add(lights, name='traffic_lights', z=100)
lights.do(
AccelDeccel(MoveTo((lights.x, target_y), 2)) +
(Delay(1) + CallFunc(lights.shift_overlay)) *
TrafficLights.NUM_LIGHTS + CallFunc(self.start) + Delay(1.5) +
MoveTo((lights.x, origin_y), 0.3) + CallFunc(self.remove, lights))
def update(self, dt):
"""Updates all the cars once the race has started."""
for car in self.cars:
# update the car
car.update(dt)
if car is not self.player_car:
# Change engine sound accordingly.
car.move_sound_relative(self.player_car.position)
# Create a short-named reference.
stats = self.stats[car]
# update checkpoints
checkpoint_stage = self.track.get_checkpoint_stage_at(car.position)
next_checkpoint_stage = (stats.last_checkpoint_stage + 1) % 3
if checkpoint_stage == next_checkpoint_stage:
# Car changed checkpoint stage and is driving in the right
# direction.
if checkpoint_stage == 2:
stats.checkpoints += 1
elif checkpoint_stage <> stats.last_checkpoint_stage and stats.last_checkpoint_stage > -1:
# Car changed checkpoint stage and is driving the wrong way.
print car, 'WRONG WAY!', stats.last_checkpoint_stage, checkpoint_stage
if checkpoint_stage == 1:
stats.checkpoints -= 1
stats.last_checkpoint_stage = checkpoint_stage
stats.current_lap_time += dt
# update laps
if stats.checkpoints == self.track.get_checkpoints():
# At finish.
stats.checkpoints = 0
# Store the lap time and reset the current lap time.
stats.lap_times.append(stats.current_lap_time)
stats.current_lap_time = 0
if stats.laps >= self.track.get_laps():
# Stop the car, disabling any controls in the process.
print car, 'Finished'
car.stop()
stats.finished = True
self.add_result(stats)
else:
stats.laps += 1
if isinstance(car, PlayerCar) and not self.player_finished:
if stats.finished:
# The race is over since the player car finished.
self.finish()
else:
self.hud.update_laps(stats.laps)
self.scroller.set_focus(*car.position)
# do collision detection
# make a copy of cars list to prevent duplicate collision checks
cars = self.cars[:]
# iterate over all cars
for car in self.cars:
# remove car from the te list to prevent detecting collision with self
cars.remove(car)
# iterate over remaining cars
for othercar in cars:
polygon = car.get_polygon()
other_polygon = othercar.get_polygon()
if polygon.intersects(other_polygon):
self.resolve_collision(car, othercar)
def resolve_collision(self, car1, car2):
diff_x = abs(car1.x - car2.x)
diff_y = abs(car1.y - car2.y)
collision = True
while collision:
if diff_y > diff_x:
# resolve collision in y axis
if car1.y > car2.y:
car1.y += 1
car2.y -= 1
else:
car1.y -= 1
car2.y += 1
else:
# resolve collision in x axis
if car1.x > car2.x:
car1.x += 1
car2.x -= 1
else:
car1.x -= 1
car2.x += 1
poly1 = car1.get_polygon()
poly2 = car2.get_polygon()
collision = poly1.intersects(poly2)
def add_result(self, stats):
"""Returns a list with all the Stats instances sorted ascendingly
by total lap time."""
assert stats not in self.results
self.results.append(stats)
print 'RESULTS', self.results
def autocomplete_results(self):
"""Automatically fills in a custom time for all cars that did not
finish yet."""
for stats in self.stats.values():
if not stats.finished:
assert stats not in self.results
stats.total_time = self.results[-1].total_time + 30
stats.finished = True
self.results.append(stats)
print 'RESULTS', self.results
def start(self):
self.started = True
self.schedule(self.update)
def finish(self):
"""Displays a message explaining the player that he finished.
Also automatically progresses to the results screen."""
self.player_finished = True
# state.cup.set_results_for_current_track(self.results)
player_position = self.results.index(self.stats[self.player_car]) + 1
if player_position == 1:
finished_text = 'You won!'
elif player_position == len(self.stats):
finished_text = 'You finished last'
else:
finished_text = 'You finished %s' % (
util.ordinal(player_position), )
label = util.Label(text=finished_text,
anchor_y='bottom',
font_size=40,
background=(0, 0, 0, 125))
label.transform_anchor_x = label.width / 2
label.x = director.window.width / 2 - label.width / 2
label.y = director.window.height / 2
self.add(label, z=100)
label.scale = 0
label.do(
ScaleTo(1, 0.75) + Delay(3) + ScaleTo(0, 0.75) +
CallFunc(self.remove, label) + CallFunc(self.show_results))
def show_results(self):
self.menu = MenuLayer(ResultsMenu)
self.add(self.menu, z=100)
self.menu.scale = 0
self.menu.do(ScaleTo(1, 1))
def save_results(self):
"""Autocompletes this race's results and stores them on the cup
object."""
self.autocomplete_results()
state.cup.set_results_for_current_track(self.results)
def on_exit(self):
super(Race, self).on_exit()
for car in self.cars:
car.pause_sounds()
self.track.stop_music()
