EAT_TURNIP_FILTER = pymunk.ShapeFilter(mask=TURNIP_CATEGORY)
+# Boyd parameters
+SPAWN_RATE = 10
+MAX_AGE = 60
+MAX_ELEMENTS = 400
+MAX_HEALTH = 100
+
+# Increase in health per day
+DAY_HEALTH = 10
+
+HEAL_FACTOR = 1
+
+MOULD_STAGES = [15, 25]
+
+
class Mould(pymunk.Body):
"""A segment of Boyd"""
- def __init__(self, gamestate, space, pos):
+ def __init__(self, gamestate, space, pos, resistances):
super(Mould, self).__init__(0, 0, pymunk.Body.STATIC)
self.position = pos
self._shape = pymunk.Circle(self, 16)
space.add(self, self._shape)
self._shape.filter = MOULD_FILTER
- self._resistances = {}
self._age = 0
self._img = None
self._health = 500
self.has_eyeball = False
self._eyeball = None
+ self._resistances = resistances
def pygame_pos(self, surface):
"""Convert to pygame coordinates and offset position so
if not self._img:
name = random.choice(
('mouldA.png', 'mouldB.png', 'mouldC.png'))
- size = "16" if self._age < 10 else "32" if self._age < 20 else "64"
+ size = "16" if self._age < MOULD_STAGES[0] else "32" if self._age < MOULD_STAGES[1] else "64"
self._img = loader.load_image(size, name)
return self._img
self._eyeball = loader.load_image("32", name)
return self._eyeball
+ def set_health(self, new_health):
+ self._health = new_health
+
def tick(self, gamestate, space, moulds):
"""Grow and / or Die"""
self._age += 1
# we regain a health every tick, so we heal in the dark
- if self._health < 100:
- self._health += 1
+ if self._health < MAX_HEALTH:
+ self._health += HEAL_FACTOR
refresh = False
- if (self._age % 15) == 0 and len(moulds) < 1000:
+ if (self._age % SPAWN_RATE) == 0 and len(moulds) < MAX_ELEMENTS:
# Spawn a new child, if we can
spawn = True
- choice = random.randint(0, 4)
+ choice = random.randint(0, 3)
if choice == 0:
pos = self.position + (0, 24)
elif choice == 1:
# print x.shape, x.shape.body
spawn = False
if spawn:
- child = Mould(gamestate, space, pos)
+ child = Mould(gamestate, space, pos, self._resistances)
child._health = self._health
moulds.append(child)
refresh = True
if random.randint(0, 10) < 2:
sound.play_sound("mouth_pop_2a.ogg")
- if self._age in (10, 20):
+ if self._age in MOULD_STAGES:
# We grow in size
refresh = True
self._img = None # invalidate cached image
- if self._age > 20 and random.randint(0, 500) < 1:
+ if self._age > MOULD_STAGES[1] and random.randint(0, 500) < 1:
# Maybe we grow an eyeball
self.has_eyeball = True
- if self._age > 120:
+ if self._age > MAX_AGE:
# We die of old age
space.remove(self, self._shape)
moulds.remove(self)
def damage(self, light, space, moulds):
"""Take damage for light, adjusted for resistances."""
- self._health -= 3
- if self._health <= 0 and self._age <= 120:
+ damage = light.base_damage()
+ colour = light.colour
+ damage = int(damage * (3 - self._resistances.get(colour, 0)) / 3.0)
+ self._health -= damage
+ if self._health <= 0 and self._age <= MAX_AGE:
# We die of damage
space.remove(self, self._shape)
moulds.remove(self)
class Boyd(object):
def __init__(self, gamestate, space):
- seed = Mould(gamestate, space, (275, 300))
- self._moulds = [seed]
+ self._moulds = []
+ self._seen_colours = set()
+ for position in gamestate.get_spawn_positions():
+ seed = Mould(gamestate, space, position,
+ gamestate.resistances)
+ seed.set_health(MAX_HEALTH + gamestate.days * DAY_HEALTH)
+ self._moulds.append(seed)
self._image = pygame.surface.Surface(SCREEN_SIZE)
self._image = self._image.convert_alpha(pygame.display.get_surface())
self._draw_moulds()
# Check for damage
lit_by = lights.light_query(mould._shape)
for light in lit_by:
- # Todo: extract colour and intensity from light
+ self._seen_colours.add(light.colour)
if mould.damage(light, space, self._moulds):
redraw = True
break # we only die once
def render(self, surface):
"""Draw ourselves"""
surface.blit(self._image, (0, 0), None, 0)
+
+ def alive(self):
+ return len(self._moulds) > 0
+
+ def update_resistances(self, gamestate):
+ for colour in self._seen_colours:
+ cur_reistance = gamestate.resistances.get(colour, 0)
+ gamestate.resistances[colour] = cur_reistance + 2
+ for colour in gamestate.resistances:
+ gamestate.resistances[colour] -= 1
+ if gamestate.resistances[colour] > 3:
+ gamestate.resistances[colour] = 3
+ if gamestate.resistances[colour] < 0:
+ gamestate.resistances[colour] = 0