def think(self):
if self.player_input.is_pressed(
self.ACT_MOVE_RIGHT) and self.velocity.len() <= self.SPEED_CAP:
self.force.x += 6000
if self.player_input.is_pressed(
self.ACT_MOVE_LEFT) and self.velocity.len() <= self.SPEED_CAP:
self.force.x -= 6000
if self.player_input.is_pressed(
self.ACT_MOVE_UP) and self.velocity.len() <= self.SPEED_CAP:
self.force.y += 6000
if self.player_input.is_pressed(
self.ACT_MOVE_DOWN) and self.velocity.len() <= self.SPEED_CAP:
self.force.y -= 6000
if self.player_input.is_pressed(self.ACT_EXIT):
logger.info('Exiting')
entity_registry.get_by_class(World)[0].stop()
if self.player_input.is_pressed(self.ACT_FIRE):
self.shoot()
self._update_rotation()
def render(self):
viewports = entity_registry.get_by_class(Viewport)
entities = entity_registry.get_by_class(DrawableEntity)
self.clear_screen()
for entity in sorted(filter(is_in_visible_rendering_group, entities),
key=lambda x: -x.z):
for viewport in viewports:
entity.draw(viewport)
def _get_collision_candidates(self, entity, entity_offset):
entity_projection = copy(entity)
entity_projection.position = entity.position + entity_offset
static_entities = entity_registry.get_by_class(StaticPhysicEntity)
other_dynamic_entities = filter(
lambda x: x is not entity,
entity_registry.get_by_class(DynamicPhysicEntity))
return [
ent for ent in static_entities + other_dynamic_entities
if self.are_entities_collidable(entity, ent)
and entity_projection.collides(ent)
]
def initialize(self):
key_mapping = KeyMapping({
FmPlayer.ACT_MOVE_RIGHT: [(Keyboard, KEYS.d)],
FmPlayer.ACT_MOVE_LEFT: [(Keyboard, KEYS.a)],
FmPlayer.ACT_MOVE_UP: [(Keyboard, KEYS.w)],
FmPlayer.ACT_MOVE_DOWN: [(Keyboard, KEYS.s)],
FmPlayer.ACT_EXIT: [(Keyboard, KEYS.esc)],
FmPlayer.ACT_FIRE: [(Keyboard, KEYS.space), (Mouse, MBUTTONS.lmb)],
})
keyboard = entity_registry.get_by_class(Keyboard)[0]
mouse = entity_registry.get_by_class(Mouse)[0]
self._player = FmPlayer(
PlayerInput([keyboard, mouse], key_mapping),
get_vec_fact().vector2(1, 200),
z=1,
collision_category=self.COLLSION_CAT_PLAYER,
projectile_collision_category=self.COLLSION_CAT_PLAYER_PROJECTILE)
entity_registry.add(self._player)
entity_registry.add(
Wall(get_vec_fact().vector2(-1, -1),
get_vec_fact().vector2(1000, 1000), (200, 200, 255),
z=2,
collision_category=self.COLLSION_CAT_BACKGROUND))
entity_registry.add(
DummyEnemy(get_vec_fact().vector2(300, 300),
1000,
2,
z=1,
collision_category=self.COLLSION_CAT_ENEMY,
color=(255, 0, 0)))
physics = SpacecraftPhysics()
physics.set_collidable_categories(self.COLLSION_CAT_BACKGROUND, [])
physics.set_collidable_categories(self.COLLSION_CAT_PLAYER, [])
physics.set_collidable_categories(self.COLLSION_CAT_PLAYER_PROJECTILE,
[self.COLLSION_CAT_ENEMY])
entity_registry.add(physics)
entity_registry.add(ActorDriver(20))
entity_registry.add(FpsCounter())
screen = entity_registry.get_by_class(Screen)[0]
screen.set_resolution(400, 500)
renderer = entity_registry.get_by_class(Renderer2d)[0]
viewport = renderer.create_viewport((0, 0, 400, 500), (0, 0, 400, 500))
entity_registry.add(viewport)
mouse.set_viewport(viewport)
entity_registry.add(
Hud(get_vec_fact().vector2(0, 0),
get_vec_fact().vector2(400, 100), self._player))
self._game_time = entity_registry.get_by_class(GameTime)[0]
def __init__(self,
frames_count,
animation_time,
speed=1.0,
playing=True,
cycle=False,
destroy_on_completion=False,
**kwargs):
super(Animation, self).__init__(**kwargs)
if frames_count <= 0:
raise Exception('Invalid number of animation frames: %s' %
self._frames_count)
self._speed = None
self._frame_time = None
self._previous_frame_time = 0
self._current_frame = 0
self._game_time = entity_registry.get_by_class(GameTime)[0]
self._playing = None
self._frames_count = frames_count
self._animation_time = animation_time
self.cycle = cycle
self.destroy_on_completion = destroy_on_completion
self.speed = speed
self.playing = playing
def __init__(self, position, movement_force=1, hp=2, z=0, **kwargs):
size = get_vec_fact().vector2(20, 10)
super(DummyEnemy, self).__init__(position=position,
z=z,
size=size,
placeholder_size=size,
mass=10,
**kwargs)
self.movement_force = movement_force
self.hp = hp
self._player = entity_registry.get_by_class(FmPlayer)[0]
def run(self, skip_frame):
self._reset_static_entities_collisions()
time_delta = self._game_time.now - self.last_run
dynamic_physic_entities = entity_registry.get_by_class(
DynamicPhysicEntity)
for entity in dynamic_physic_entities:
self._update_forces(entity)
self._update_velocity(entity, time_delta)
collision = self._get_collision(entity, time_delta)
self._process_collision(entity, collision, time_delta)
entity.force.zero()
return True
def __init__(self, rect, screen_rect):
super(PygameViewport, self).__init__(rect, screen_rect)
screen = entity_registry.get_by_class(Screen)[0].screen
logger.debug('PygameViewport surface: %s, %s, %s, %s' % (
screen_rect[0],
screen.get_height() - screen_rect[1] - screen_rect[3],
screen_rect[2],
screen_rect[3],
))
self.surface = screen.subsurface((
screen_rect[0],
screen.get_height() - screen_rect[1] - screen_rect[3],
screen_rect[2],
screen_rect[3],
))
def __init__(self,
player_input,
position,
z=0,
collision_category=None,
projectile_collision_category=None):
size = get_vec_fact().vector2(20, 10)
super(FmPlayer, self).__init__(player_input=player_input,
placeholder_size=size,
position=position,
mass=10.0,
size=size,
z=z,
collision_category=collision_category)
self.projectile_collision_category = projectile_collision_category
self.fire_cooldown = 0.2
self._last_shot_time = 0
self._game_time = entity_registry.get_by_class(GameTime)[0]
def register_mouse(self):
already_registered = len(entity_registry.get_by_class(PygameMouse)) > 0
if not already_registered:
entity_registry.add(PygameMouse())
def register_keyboard(self):
already_registered = len(
entity_registry.get_by_class(PygameKeyboard)) > 0
if not already_registered:
entity_registry.add(PygameKeyboard())
def _reset_static_entities_collisions(self):
for entity in entity_registry.get_by_class(StaticPhysicEntity):
entity.collision = None
def __init__(self, tolerance=0.001):
super(PlatformerPhysics, self).__init__()
self._game_time = entity_registry.get_by_class(GameTime)[0]
self._tolerance = tolerance
def initialize_subsystems():
subsystems = entity_registry.get_by_class(Subsystem)
for subsystem in subsystems:
subsystem.initialize()
def _get_screen(self):
if not self._screen:
self._screen = entity_registry.get_by_class(Screen)[0]
return self._screen
def clear_screen(self):
screen = entity_registry.get_by_class(Screen)[0].screen
screen.fill((0, 0, 0, 0))
def renderer(self):
return entity_registry.get_by_class(self.RENDERER_CLASS)[0]
def run(self, skip_frame):
actors = entity_registry.get_by_class(Actor)
for actor in actors:
actor.think()