def take_damage(self, amount):
self.damage += amount
if self.damage >= self.health and not self.has_exploded:
# create an explosion
self.has_exploded = True
Explosion(self._body.position, BLOCK_SIZE,
velocity=self._body.velocity)
# remove joints
for block in self._adjacent_blocks:
toremove = self._joints & block._joints
for joint in toremove:
block._joints.remove(joint)
SPACE.remove(*self._joints)
self._joints = WeakSet()
# remove ties to the construction
for block in self._adjacent_blocks:
block._adjacent_blocks.remove(self)
self._adjacent_blocks = WeakSet()
elif self.damage >= self.health * 2:
Explosion(self._body.position, BLOCK_SIZE,
velocity=self._body.velocity)
for i in range(random.randint(1,5)):
Resource(self)
SPACE.remove(self._body, self._shape)
SPACE.blocks.remove(self)
if self in SPACE.controllable_blocks:
SPACE.controllable_blocks.remove(self)
if self in SPACE.controller_blocks:
SPACE.controller_blocks.remove(self)
def upkeep(self):
if self.decay_chance > random.random():
SPACE.remove(self._shape, self._body)
SPACE.resources.remove(self)
if hasattr(self._shape, "target") and self._shape.target():
b = self._shape
direction = b.target().position - b.body.position
if direction.length < BLOCK_SIZE / 2:
block = b.target()._get_block()
if block:
block.resource_count += 1
SPACE.resources.remove(self)
# TODO: 160 is the radius of the field...
# let's get that dynamically
direction.length = max(0.1, (160 - direction.length) / 160)
b.body.apply_impulse(direction)
def deactivate(self):
SPACE.remove(self._tractor_link, self._tractor_body, self._tractor_shape)
self._tractor_body = self._tractor_link = self._tractor_shape = None
def deactivate(self):
SPACE.remove(self._shield_link, self._shield_body, self._shield_shape)
self._shield_body = self._shield_link = self._shield_shape = None
def upkeep(self):
self.ttl -= 1
if self.ttl < 1:
SPACE.remove(self._shape, self._body)
SPACE.projectiles.remove(self)
def upkeep(self):
self.ticks -= 1
if self.ticks <= 0:
SPACE.remove(self._body, self._shape)
SPACE.explosions.remove(self)
