koperkapel/roaches.py

   1 """ Tools for creating roach actors. """
   2
   3 import random
   4 from pgzero.clock import each_tick
   5 from pgzero.loaders import images
   6 from pygame.constants import BLEND_RGBA_MULT
   7 from .actors.orientatedsurf import OrientatedSurfActor
   8 from .serums import roach_serum_color
   9
  10
  11 class RoachActor(OrientatedSurfActor):
  12     def __init__(self, frames):
  13         self._frames = frames
  14         self._frame = random.randint(0, len(frames) - 1)
  15         self._dt = 0
  16         self._cycle_dt = 0.2
  17         each_tick(self.update)
  18         super().__init__(surf=frames[self._frame], angle=0)
  19
  20     def update(self, dt):
  21         self._dt += dt
  22         while self._dt > self._cycle_dt:
  23             self._dt -= self._cycle_dt
  24             self._frame += 1
  25             self._frame %= len(self._frames)
  26         self.surf = self._frames[self._frame]
  27
  28
  29 class WorldRoach(object):
  30     """A roach proxy with no properties for display on the game level."""
  31
  32     def __init__(self):
  33         self.smart = False
  34         self.strong = False
  35         self.fast = False
  36
  37
  38 class RoachFactory:
  39
  40     def __init__(self, suffix, frames=4):
  41         self.suffix = suffix
  42         self.frames = 4
  43
  44     def assemble_frame(self, i, color, roach_data):
  45         roach = images.load("roach%s/roach_%d" % (self.suffix, i + 1))
  46         eyes = images.load("roach%s/eyes_%d" % (self.suffix, i + 1))
  47         frame = roach.copy()
  48         frame.fill(color, None, BLEND_RGBA_MULT)
  49         frame.blit(eyes, (0, 0))
  50         return frame
  51
  52     def assemble(self, roach_data):
  53         color = roach_serum_color(roach_data)
  54         frames = [
  55             self.assemble_frame(i, color, roach_data)
  56             for i in range(self.frames)]
  57         return RoachActor(frames)
  58
  59
  60 default_roaches = RoachFactory("")
  61 t32_roaches = RoachFactory("_32")
  62 t21_roaches = RoachFactory("_21")
  63 big_roaches = RoachFactory("_big")
  64 roaches_quartet = RoachFactory("_quartet")
  65 roaches_nonet = RoachFactory("_nonet")