def __init__(self, pos=Vector(0, 0), rot=0.0):
"""Creates a new Ship
Args:
pos: the position of the ship
rot: the rotation of the ship
Returns:
a new Ship instance
"""
# Get the initial direction of the ship using the rotation
direction = Vector(cos(radians(rot)), sin(radians(rot)))
# Initially, the ship isn't moving
self._movement = Vector.zero()
# Initialize bullet list
self.bullets = []
self._last_shoot = self._shoot_delay
self._last_teleport = self._teleport_delay
self.teleport_up = True
self.effect_player = EffectPlayer.instance()
Entity.__init__(self, (20, 0, -30, 20, -30, -20), direction,
lin_speed=1.0, rot_speed=2.0, pos=pos, rot=rot,
scale=0.5)
def __init__(self, size, direction, lin_speed, rot_speed,
shape_index=None, pos=Vector(0, 0), rot=0.0):
"""Creates a new Asteroid
Args:
size: the size of the Asteroid, which should be a value
from Asteroid.Size
shape_index: the index of the shape to grab from _shapes.
If None, then we'll grab a random one
pos: the position of the asteroid
rot: the rotation of the asteroid
Returns:
a new Asteroid
"""
self.size = size
# If we haven't grabbed the shapes from asteroids.txt, do so
if Asteroid._shapes is None:
self._get_shapes()
# Two cases:
# 1. a shape index wasn't supplied, generate a random one
# (this is for newly generated asteroids)
# 2. a shape index was supplied, use that (this is for
# asteroids which resulted from the destruction of a larger
# one)
if shape_index is None:
self.shape_index = rand.randrange(0, len(Asteroid._shapes))
else:
self.shape_index = shape_index
# Get the relevant data from the tuple
self._shape = Asteroid._shapes[self.shape_index][0]
self._def_scale = Asteroid._shapes[self.shape_index][1]
# For each size, we apply a scaling factor on top of the
# default scale to make smaller asteroids smaller and larger
# asteroids larger
# As with the definition of default scale, a medium sized
# asteroid just uses the default scale (scale_factor = 1.0)
if size == Asteroid.Size.SMALL:
scale_factor = 0.7
elif size == Asteroid.Size.MEDIUM:
scale_factor = 1.0
elif size == Asteroid.Size.LARGE:
scale_factor = 1.2
elif size == Asteroid.Size.HUGE:
scale_factor = 1.5
# Grab the EffectPlayer
from effect import EffectPlayer
self.effect_player = EffectPlayer.instance()
Entity.__init__(self, self._shape, direction, lin_speed=lin_speed,
rot_speed=rot_speed, pos=pos, rot=rot,
scale=self._def_scale * scale_factor)
def __init__(self):
"""Initializes player variables and creates his Ship
Returns:
a new Player
"""
# Create the player in the (approximate) middle of the screen
# and face him upwards
self.ship = Ship(pos=Vector(WINDOW_WIDTH // 2, WINDOW_HEIGHT // 2),
rot=90)
self.is_vulnerable = True
self.is_dead = False
self.lives_left = 3
self.game_over = False
self.score = 0
self.bullets = self.ship.bullets
self.effect_player = EffectPlayer.instance()