def in_sight(p1, p2):
"""returns True if the straight path from p1 to p2 has no obstacle"""
path = bresenham(p1, p2)
for c in path:
x, y = c.pair()
if self.data[x + 128 * (127 - y)] is WALL or self.special_data[x + 128 * (127 - y)] is FINISH:
return False
return True
def in_sight(p1, p2):
"""returns True if the straight path from p1 to p2 has no obstacle"""
path = bresenham(p1, p2)
for c in path:
x, y = c.pair()
if self.data[x + 128 * (127 - y)] is WALL or self.special_data[
x + 128 * (127 - y)] is FINISH:
return False
return True
def update(self, dt): track = self.race.track current_position = self.position if not self.target is None: target_direction = (self.target.position - self.position).angle() direction_variation = ((target_direction - self.direction + math.pi) % (2*math.pi)) - math.pi if direction_variation > self.turn * dt: direction_variation = self.turn * dt elif direction_variation < -self.turn * dt: direction_variation = -self.turn * dt self.direction += direction_variation move = self.get_direction_vector() * self.speed * dt new_position = current_position + move path = bresenham(current_position, new_position) for i, c in enumerate(path): if track.type(c, hit=True) in [WALL, DEEP]: # the shell hits a wall or a hole and disappears return self.remove() self.set_position(new_position) self.check_collisions()
def update(self, dt):
track = self.race.track
current_position = self.position
if not self.target is None:
target_direction = (self.target.position - self.position).angle()
direction_variation = (
(target_direction - self.direction + math.pi) %
(2 * math.pi)) - math.pi
if direction_variation > self.turn * dt:
direction_variation = self.turn * dt
elif direction_variation < -self.turn * dt:
direction_variation = -self.turn * dt
self.direction += direction_variation
move = self.get_direction_vector() * self.speed * dt
new_position = current_position + move
path = bresenham(current_position, new_position)
for i, c in enumerate(path):
if track.type(c, hit=True) in [WALL, DEEP]:
# the shell hits a wall or a hole and disappears
return self.remove()
self.set_position(new_position)
self.check_collisions()
def update(self, dt): track = self.race.track current_position = self.position move = self.get_direction_vector() * self.speed * dt new_position = current_position + move path = bresenham(current_position, new_position) for i, c in enumerate(path): if track.type(c, hit=True) is WALL: # the shell bounces if c[0] != path[i-1][0]: # vertical wall self.direction = -self.direction + math.pi else: # horizontal wall self.direction = -self.direction new_position = current_position # don't move self.set_speed(self.speed - 15.) # slow down after each bounce if self.speed <= 40: return self.remove() # if the shell becomes too slow it disappears break elif track.type(new_position) is DEEP: # the shell disappears return self.remove() self.set_position(new_position) self.check_collisions()
def move(self, new_position):
"""move the car"""
path = bresenham(self.position, new_position)
for i, c in enumerate(path):
if not self.state.aerial: # a flying car can move over anything
if self.race.track.type(c, hit=True) is WALL:
# hit a wall
if i == 0:
# car is stuck in a wall
return self.lakitu()
else:
# the car bounces against the wall
if path[i - 1][0] != c[0]:
self.set_speed(Vector(-0.5 * self.speed.x, 0.5 * self.speed.y))
else:
self.set_speed(Vector(0.5 * self.speed.x, -0.5 * self.speed.y))
new_position = self.position # do not move
break
if not self.state.jump:
if self.race.track.type(c) is DEEP:
# car is in a hole
return self.lakitu()
if self.racer.item is ITEMS[0] and self.race.track.type(c, special=True) is ITEM:
# the car touched an item block
block = self.race.track.item_blocks[(c[0], c[1])] # find the block that was touched
if not block.delay:
block.activate()
self.racer.get_item()
if self.race.track.type(c) is JUMP:
# touch a bumper
if self.speed.norm() < 100:
self.set_speed(self.speed.normalize(100.0))
self.state.change(aerial=1.0)
if self.race.track.type(c) is BOOST and self.speed.norm() < 300.0:
# touch a booster
self.set_speed(self.speed.normalize(300.0))
self.set_position(new_position)
def move(self, new_position):
"""move the car"""
path = bresenham(self.position, new_position)
for i, c in enumerate(path):
if not self.state.aerial: # a flying car can move over anything
if self.race.track.type(c, hit=True) is WALL:
# hit a wall
if i == 0:
# car is stuck in a wall
return self.lakitu()
else:
# the car bounces against the wall
if path[i - 1][0] != c[0]:
self.set_speed(Vector(-.5 * self.speed.x, .5 * self.speed.y))
else:
self.set_speed(Vector(.5 * self.speed.x, -.5 * self.speed.y))
new_position = self.position # do not move
break
if not self.state.jump:
if self.race.track.type(c) is DEEP:
# car is in a hole
return self.lakitu()
if self.racer.item is ITEMS[0] and self.race.track.type(c, special=True) is ITEM:
# the car touched an item block
block = self.race.track.item_blocks[(c[0], c[1])] # find the block that was touched
if not block.delay:
block.activate()
self.racer.get_item()
if self.race.track.type(c) is JUMP:
# touch a bumper
if self.speed.norm() < 100:
self.set_speed(self.speed.normalize(100.))
self.state.change(aerial=1.)
if self.race.track.type(c) is BOOST and self.speed.norm() < 300.:
# touch a booster
self.set_speed(self.speed.normalize(300.))
self.set_position(new_position)
def update(self, dt):
track = self.race.track
current_position = self.position
move = self.get_direction_vector() * self.speed * dt
new_position = current_position + move
path = bresenham(current_position, new_position)
for i, c in enumerate(path):
if track.type(c, hit=True) is WALL:
# the shell bounces
if c[0] != path[i - 1][0]: # vertical wall
self.direction = -self.direction + math.pi
else: # horizontal wall
self.direction = -self.direction
new_position = current_position # don't move
self.set_speed(self.speed - 15.) # slow down after each bounce
if self.speed <= 40:
return self.remove(
) # if the shell becomes too slow it disappears
break
elif track.type(new_position) is DEEP:
# the shell disappears
return self.remove()
self.set_position(new_position)
self.check_collisions()
