Esempio n. 1
0
    def __init__(self, kwargs):

        Character.__init__(self, kwargs)

        self._populate_images()

        # TODO: Move animation cycling to PSprite?
        self._walk_ctr = 0  # Walk cycle counter
        self._fpi = kwargs["fpi"]
        self._prev_image_series = "none"  # Name of previous animation

        # Signal that this Player has died
        self.dead = False
        # Number of frames to display dead animation
        self._dead_ctr = 60

        # Platform the player is standing on
        self._floor = None

        # Player control characteristics
        self._max_vx = kwargs["horizontal_speed"]
        self._ix = kwargs["horizontal_inertia"]
        # _mx: current momentum in x-direction
        self._mx = 0.0
        self._j_multi = kwargs["multi_jumps"]
        # _jumps: current number of consecutive jumps without landing
        self._jumps = 0
        # Is SPACE pressed? Don't jump again w/out SPACE being released
        # Defaults to True to prevent jump on spawn
        self._k_space = True
        # Vertical velocity at jump time _j_t is given by
        #   v = _j_a * (_j_t + _j_o) + _j_b
        # _j_t keeps track of how far into a jump the sprite is
        # _j_t == None means that a jump is not in progress
        # _j_o is an offset that ensures that _j_t == 0 is the apogee (useful
        #   for determining speed when falling of floors)
        self._j_a = kwargs["vertical_acceleration"]
        self._j_b = kwargs["jump_velocity"]
        self._j_t = None
        self._j_o = -self._j_b / self._j_a
        # Vertical point direction ((-1, 0, 1) == (down, forward, up))
        self._point_v = 0
        # Horizontal point direction ((-1, 1) == (left, right))
        self._point_h = 1

        # Make sure control characteristics make sense
        if self._max_vx <= 0.0:
            raise ValueError("horizontal_speed must be > 0.0")
        if self._ix <= 0.0:
            raise ValueError("horizontal_inertia must be > 0.0")
        if self._j_multi <= 0:
            raise ValueError("multi_jumps must be > 0")
        if self._j_a <= 0.0:
            raise ValueError("vertical_acceleration must be > 0.0")
        if self._j_b >= 0.0:
            raise ValueError("jump_velocity must be < 0.0")

    # Set targets
        targets = kwargs["targets"]
        if targets is None:
            targets = pygame.sprite.RenderPlain()

    # Set up default Projectile container
        self.fired_projectiles = kwargs["fired_projectiles"]
        b_kwargs = {
            "owner": self,
            "floors": kwargs["floors"],
            "l_walls": kwargs["l_walls"],
            "r_walls": kwargs["r_walls"],
            "ceilings": kwargs["ceilings"],
            "projectile_class": kwargs["projectile_class"],
            "fired_projectiles": self.fired_projectiles,
            "max_in_flight": kwargs["max_in_flight"],
            "max_shots": -1,
            "targets": targets,
            "centerx": 0,
            "centery": 0,
            "decoration_list": kwargs["decoration_list"]
        }
        self._box = ProjectileBox(b_kwargs)

        # Stack of Boxes
        self._box_stack = []

        # Invincibility counter after being hit
        self._invincible_counter = 0

        # Decorations
        # Invincibility
        r = math.ceil(max(self.rect.width, self.rect.height) * 0.75)
        self._dec_invinc_surf = \
            pygame.Surface((r*2, r*2), flags=SRCALPHA).convert_alpha()
        self._dec_invinc_rect = self._dec_invinc_surf.get_rect()
        pygame.draw.circle(self._dec_invinc_surf, (0, 80, 0), (r, r), r - 1, 1)
        # Got hit
        self._hit_counter = 0
        self._dec_hit_surf = \
            pygame.Surface((r*2, r*2), flags=SRCALPHA).convert_alpha()
        self._dec_hit_rect = self._dec_invinc_surf.get_rect()
        pygame.draw.circle(self._dec_hit_surf, (255, 0, 0), (r, r), r - 1, 0)
Esempio n. 2
0
    def __init__(self, kwargs):

        Character.__init__(self, kwargs)

        self._populate_images()

        self.points = kwargs["points"]

        # Location and default movement characteristics
        # True x- and y-coordinates are calculated and stored in floats to
        #   allow for sub-pixel motion, but collision detection, drawing, etc.
        #   are done on integers
        self._xf = float(self.rect.centerx)
        self._yf = float(self.rect.centery)
        # Useful for Baddies that just float and bounce around
        self._speed = 1.0
        self._dir = 0.0

        # Animation-related variables
        # TODO: Move animation cycling to PSprite?
        self._walk_ctr = 0
        self._fpi = kwargs["fpi"]
        self._prev_image_series = "none"

        # Whether to draw hit decoration
        self._hit_counter = 0

        # Number of frames to display dead animation
        self._dead_ctr = 30

        # Set targets
        targets = kwargs["targets"]
        if targets is None:
            targets = pygame.sprite.RenderPlain()

    # Set up Projectiles
    # Use fired_projectiles from owner so Projectiles can outlive the
    #   Baddie
        b_kwargs = {
            "owner": self,
            "floors": kwargs["floors"],
            "l_walls": kwargs["l_walls"],
            "r_walls": kwargs["r_walls"],
            "ceilings": kwargs["ceilings"],
            "projectile_class": kwargs["projectile_class"],
            "fired_projectiles": kwargs["fired_projectiles"],
            "max_in_flight": kwargs["max_in_flight"],
            "max_shots": -1,
            "targets": kwargs["targets"],
            "centerx": 0,
            "centery": 0,
            "decoration_list": kwargs["decoration_list"]
        }
        self._box = ProjectileBox(b_kwargs)

        # Decorations
        # Invincibility
        r = math.ceil(max(self.rect.width, self.rect.height) * 0.75)
        self._dec_invinc_surf = \
            pygame.Surface((r*2, r*2), flags=SRCALPHA).convert_alpha()
        self._dec_invinc_rect = self._dec_invinc_surf.get_rect()
        pygame.draw.circle(self._dec_invinc_surf, (255, 0, 0), (r, r), r - 1,
                           0)