def car(self, space):
pos = Vec2d(100, 100)
wheel_color = 0.2, 0.86, 0.47
shovel_color = 0.86, 0.47, 0.2
mass = 100
radius = 25
moment = pymunk.moment_for_circle(mass, 20, radius)
wheel1_b = pymunk.Body(mass, moment)
wheel1_s = pymunk.Circle(wheel1_b, radius)
wheel1_s.friction = 1.5
wheel1_s.color = wheel_color
space.add(wheel1_b, wheel1_s)
mass = 100
radius = 25
moment = pymunk.moment_for_circle(mass, 20, radius)
wheel2_b = pymunk.Body(mass, moment)
wheel2_s = pymunk.Circle(wheel2_b, radius)
wheel2_s.friction = 1.5
wheel2_s.color = wheel_color
space.add(wheel2_b, wheel2_s)
mass = 100
size = (50, 30)
moment = pymunk.moment_for_box(mass, size)
chassi_b = pymunk.Body(mass, moment)
chassi_s = pymunk.Poly.create_box(chassi_b, size)
space.add(chassi_b, chassi_s)
vs = [(0, 0), (0, -45), (25, -45)]
shovel_s = pymunk.Poly(chassi_b, vs, transform=pymunk.Transform(tx=85))
shovel_s.friction = 0.5
shovel_s.color = shovel_color
space.add(shovel_s)
wheel1_b.position = pos - (55, 0)
wheel2_b.position = pos + (55, 0)
chassi_b.position = pos + (0, 25)
space.add(
pymunk.PinJoint(wheel1_b, chassi_b, (0, 0), (-25, -15)),
pymunk.PinJoint(wheel1_b, chassi_b, (0, 0), (-25, 15)),
pymunk.PinJoint(wheel2_b, chassi_b, (0, 0), (25, -15)),
pymunk.PinJoint(wheel2_b, chassi_b, (0, 0), (25, 15)),
)
speed = -4
space.add(
pymunk.SimpleMotor(wheel1_b, chassi_b, speed),
pymunk.SimpleMotor(wheel2_b, chassi_b, speed),
)
with self.canvas:
Color(*wheel_color)
wheel1_s.ky = self.ellipse_from_circle(wheel1_s)
Color(*wheel_color)
wheel2_s.ky = self.ellipse_from_circle(wheel2_s)
Color(*shovel_color)
chassi_s.ky = Quad(points=self.points_from_poly(chassi_s))
shovel_s.ky = Triangle(points=self.points_from_poly(shovel_s))
def create_motors(self, space):
self.speed = 0
self.motors = [
pymunk.SimpleMotor(self.wheel1_body, self.chassi_body, self.speed),
pymunk.SimpleMotor(self.wheel2_body, self.chassi_body, self.speed)
]
space.add(self.motors[0], self.motors[1])
def add_rot(self):
rotation_center_body = pymunk.Body(body_type=pymunk.Body.STATIC)
rotation_center_body.position = (500, 410)
# 1st rotation
body = pymunk.Body(10, 10000)
body.position = (500, 410)
l1 = pymunk.Segment(body, (-55, 0), (55.0, 0.0), 2.0)
# 2nd rotation
rotation_center_body2 = pymunk.Body(body_type=pymunk.Body.STATIC)
rotation_center_body2.position = (770, 410)
body2 = pymunk.Body(10, 10000)
body2.position = (770, 410)
l2 = pymunk.Segment(body2, (-55, 0), (55.0, 0.0), 2.0)
rotation_center_joint = pymunk.PinJoint(body, rotation_center_body,
(0, 0), (0, 0))
rotation_center_joint2 = pymunk.PinJoint(body2, rotation_center_body2,
(0, 0), (0, 0))
tw = pymunk.SimpleMotor(body, rotation_center_body, 0.7)
tw2 = pymunk.SimpleMotor(body2, rotation_center_body2, -0.7)
self.space.add(l1, l2, body, body2, rotation_center_joint,
rotation_center_joint2, tw, tw2)
return l1, l2
def add_robot(space, seat):
#define robot upper body and upper leg
ubt = Vec2d(3.5, 0)
robot_u_points = [
Vec2d(-4, 31.64) + ubt,
Vec2d(-4, 0) + ubt,
Vec2d(4, 0) + ubt,
Vec2d(4, 31.64) + ubt
]
robot_body = pymunk.Body()
robot_body.position = seat.position + (0, 3)
robot_u = pymunk.Poly(robot_body, robot_u_points)
robot_u.mass = 3.311
robot_u.color = THECOLORS["red"]
robot_u.filter = pymunk.ShapeFilter(mask=pymunk.ShapeFilter.ALL_MASKS ^ 1)
robot_u_leg = pymunk.Poly(seat, [(1, 3), (-10.5, 3), (-10.5, 8), (1, 8)])
robot_u_leg.color = THECOLORS["red"]
robot_u_leg.mass = 0.603
#robot_u_leg_extra = pymunk.Circle(seat,2,(5,0))
#robot_u_leg_extra.mass = 2
#define robot lower leg
robot_leg = pymunk.Body()
robot_leg.position = seat.position
robot_l_leg = pymunk.Poly(robot_leg, [(-10.5, 5), (-10.5, -11.8),
(-4.0, -11.8), (-4.0, 5)])
robot_l_leg.mass = 1.214
robot_l_leg.color = THECOLORS["red"]
space.add(robot_body, robot_u, robot_u_leg, robot_leg, robot_l_leg)
#motor and pivot for hip
#uses measured values of angles rather than given in program
seat_motor = pymunk.SimpleMotor(seat, robot_body, 0)
seat_motor.max_force = 1e6
seat_pivot = pymunk.PivotJoint(seat, robot_body, robot_body.position + ubt)
seat_pivot._set_collide_bodies(False)
seat_pivot_lim = pymunk.RotaryLimitJoint(robot_body, seat, 0, 0.575959)
space.add(seat_motor, seat_pivot, seat_pivot_lim)
#motor and pivot for knee
max_knee_ang = 5
max_knee_ang = np.deg2rad(max_knee_ang)
knee_motor = pymunk.SimpleMotor(seat, robot_leg, 0)
knee_motor.max_force = 1e5
knee_pivot = pymunk.PivotJoint(seat, robot_leg, seat.position + (-8, 7))
knee_pivot._set_collide_bodies(False)
knee_pivot_lim = pymunk.RotaryLimitJoint(seat, robot_leg,
max_knee_ang - np.deg2rad(69),
max_knee_ang)
space.add(knee_motor, knee_pivot, knee_pivot_lim)
return seat_motor, knee_motor, robot_body, robot_leg, robot_u_leg
def car(space):
import pymunk
from pymunk.vec2d import Vec2d
space.gravity = 0, -9.8
pos = Vec2d(300, 200)
wheel_color = 52, 219, 119
shovel_color = 219, 119, 52
mass = 100
radius = 25
moment = pymunk.moment_for_circle(mass, 20, radius)
wheel1_b = pymunk.Body(mass, moment)
wheel1_s = pymunk.Circle(wheel1_b, radius)
wheel1_s.friction = 1.5
wheel1_s.color = wheel_color
space.add(wheel1_b, wheel1_s)
mass = 100
radius = 25
moment = pymunk.moment_for_circle(mass, 20, radius)
wheel2_b = pymunk.Body(mass, moment)
wheel2_s = pymunk.Circle(wheel2_b, radius)
wheel2_s.friction = 1.5
wheel2_s.color = wheel_color
space.add(wheel2_b, wheel2_s)
mass = 100
size = (50, 30)
moment = pymunk.moment_for_box(mass, size)
chassi_b = pymunk.Body(mass, moment)
chassi_s = pymunk.Poly.create_box(chassi_b, size)
space.add(chassi_b, chassi_s)
vs = [(0, 0), (25, -45), (0, -45)]
shovel_s = pymunk.Poly(chassi_b, vs, transform=pymunk.Transform(tx=85))
shovel_s.friction = 0.5
shovel_s.color = shovel_color
space.add(shovel_s)
wheel1_b.position = pos - (55, 0)
wheel2_b.position = pos + (55, 0)
chassi_b.position = pos + (0, 25)
space.add(pymunk.PinJoint(wheel1_b, chassi_b, (0, 0), (-25, -15)),
pymunk.PinJoint(wheel1_b, chassi_b, (0, 0), (-25, 15)),
pymunk.PinJoint(wheel2_b, chassi_b, (0, 0), (25, -15)),
pymunk.PinJoint(wheel2_b, chassi_b, (0, 0), (25, 15)))
speed = 4
space.add(pymunk.SimpleMotor(wheel1_b, chassi_b, speed),
pymunk.SimpleMotor(wheel2_b, chassi_b, speed))
floor = pymunk.Segment(space.static_body, (-100, 100), (1000, 100), 5)
floor.friction = 1.0
space.add(floor)
def car(space):
pos = Vec2d(100, 200)
wheel_color = 52, 219, 119, 255
shovel_color = 219, 119, 52, 255
mass = 100
radius = 25
moment = pymunk.moment_for_circle(mass, 20, radius)
wheel1_b = pymunk.Body(mass, moment)
wheel1_s = pymunk.Circle(wheel1_b, radius)
wheel1_s.friction = 1.5
wheel1_s.color = wheel_color
space.add(wheel1_b, wheel1_s)
mass = 100
radius = 25
moment = pymunk.moment_for_circle(mass, 20, radius)
wheel2_b = pymunk.Body(mass, moment)
wheel2_s = pymunk.Circle(wheel2_b, radius)
wheel2_s.friction = 1.5
wheel2_s.color = wheel_color
space.add(wheel2_b, wheel2_s)
mass = 100
size = (50, 30)
moment = pymunk.moment_for_box(mass, size)
chassi_b = pymunk.Body(mass, moment)
chassi_s = pymunk.Poly.create_box(chassi_b, size)
space.add(chassi_b, chassi_s)
vs = [(0, 0), (25, 45), (0, 45)]
shovel_s = pymunk.Poly(chassi_b, vs, transform=pymunk.Transform(tx=85))
shovel_s.friction = 0.5
shovel_s.color = shovel_color
space.add(shovel_s)
wheel1_b.position = pos - (55, 0)
wheel2_b.position = pos + (55, 0)
chassi_b.position = pos + (0, -25)
space.add(
pymunk.PinJoint(wheel1_b, chassi_b, (0, 0), (-25, -15)),
pymunk.PinJoint(wheel1_b, chassi_b, (0, 0), (-25, 15)),
pymunk.PinJoint(wheel2_b, chassi_b, (0, 0), (25, -15)),
pymunk.PinJoint(wheel2_b, chassi_b, (0, 0), (25, 15)),
)
speed = 4
space.add(
pymunk.SimpleMotor(wheel1_b, chassi_b, speed),
pymunk.SimpleMotor(wheel2_b, chassi_b, speed),
)
def _agent_grasps(self, arbiter, space, data):
agent = self._get_agent_from_shape(arbiter.shapes[0])
body_part = agent.get_bodypart_from_shape(arbiter.shapes[0])
interacting_entity = self._get_scene_element_from_shape(
arbiter.shapes[1])
if interacting_entity is None:
return True
if body_part.is_grasping and not body_part.is_holding:
body_part.is_holding = True
j_1 = pymunk.PinJoint(body_part.pm_body,
interacting_entity.pm_body, (0, 5), (0, 0))
j_2 = pymunk.PinJoint(body_part.pm_body,
interacting_entity.pm_body, (0, -5), (0, 0))
motor = pymunk.SimpleMotor(body_part.pm_body,
interacting_entity.pm_body, 0)
self.space.add(j_1, j_2, motor)
body_part.grasped = [j_1, j_2, motor]
self._grasped_scene_elements[interacting_entity] = body_part
return True
def __init__(self, space, base_body, body_pos, length, angle, mass=1, thickness=5):
b = body_pos
dif = (math.sin(angle) * length, math.cos(angle) * length)
v = b + dif
base_dif = body_pos - base_body.position
link_body = pymunk.Body(mass, mass * length * length / 3)
link_body.position = body_pos
self.link = pymunk.Segment(link_body, (0,0), dif, thickness)
self.link.filter = pymunk.ShapeFilter(categories=0b1, mask=0b0)
link_body.moment = pymunk.moment_for_segment(mass, self.link.a, self.link.b, thickness)
link_body.center_of_gravity = (self.link.a + self.link.b)/2.0
base_motor = pymunk.SimpleMotor(base_body, link_body, 0)
base_joint = pymunk.PinJoint(base_body, link_body, base_dif, (0,0))
base_joint.error_bias = 0.0001
base_clamp = pymunk.RotaryLimitJoint(base_body, link_body, (-3*math.pi/4), (3*math.pi/4))
space.add(self.link, link_body, base_motor, base_joint, base_clamp)
print("Body pos: " + str(link_body.position))
print("COG pos: " + str(link_body.center_of_gravity))
print("a" + str(self.link.a))
print("b" + str(self.link.b))
self.motor = base_motor
self.body = link_body
self.start_tip = v
def generatePerson(self):
body = pymunk.Body(
0.75 * self.mass, 100000000000000
) # assumes the body from the quads up make up 75% of mass
body.position = self.pos
legs = pymunk.Body(0.25 * self.mass, 100)
legs.position = self.pos
torso_shape = pymunk.Segment(body, (0, 0), (0, -30), 3)
bottom_shape = pymunk.Segment(body, (0, 0), (20, 0), 3)
legs_shape = pymunk.Segment(legs, (20, 0), (20, 20), 3)
knee_joint = pymunk.PinJoint(legs, body, (20, 0), (20, 0))
knee_motor = pymunk.SimpleMotor(legs, body, 0)
knee_joint.collide_bodies = False
self.space.add(body, torso_shape, bottom_shape, legs, legs_shape,
knee_joint, knee_motor)
return {
'body': [(body, torso_shape, legs_shape), (legs, legs_shape)],
'pivots': [knee_joint, knee_motor]
}
def __init__(self, space, chromosome=None):
self.lifespan = 1000
self.is_alive = True
self.checkpoint_index = 0
# Generate the chromosome for the car.
self.chromosome = chromosome
if self.chromosome is None:
self.chromosome = Chromosome.generate_inital_chromosome()
# Create a chassis.
position_main = pymunk.Vec2d(START_POSITION)
vs = self.chromosome.get_vertices()
self.chassis = Chassis(space, position_main, vs)
self.position = self.chassis.body.position
# Create the wheels.
self.wheels = []
genes = self.chromosome.get_genes()
for position, [radius, speed] in genes:
if radius == -1 or speed == -1:
continue
position = pymunk.Vec2d(position) + position_main
wheel = Wheel(space, position, radius)
c = pymunk.constraint.PivotJoint(self.chassis.body, wheel.body,
position)
c.collide_bodies = False
m = pymunk.SimpleMotor(self.chassis.body, wheel.body, speed)
space.add(c, m)
self.wheels.append(wheel)
self.__setup_draw()
def generateSwingSystem(self):
swingConfig = config["LswingConfig"]
#Generate top pivot
top = pymunk.Body(10, 1000000, pymunk.Body.STATIC)
top.position = Vec2d(*swingConfig['topPosition'])
top_shape = pymunk.Poly.create_box(top, (20, 20))
top_shape.filter = pymunk.ShapeFilter(
categories=0b1, mask=pymunk.ShapeFilter.ALL_MASKS() ^ 0b1)
space.add(top, top_shape)
#Generate swing
p = top.position
b = top
jointVector = (0, 0)
segmentArray = []
for i, j in enumerate(swingConfig["joints"]):
print(i)
angle = j[0] + self.theta
v = j[1] * Vec2d(np.cos(angle * np.pi / 180),
np.sin(angle * np.pi / 180))
shape = Segment(p, v, j[2])
segmentArray.append(shape)
joint = PivotJoint(b, shape.body, jointVector)
motor = pymunk.SimpleMotor(b0, shape.body, rate=0)
space.add(motor)
jointVector = v
b = shape.body
p = p + v
self.swingSegmentArray = segmentArray
def add_arm(self, segment_lengths, anchor_position):
anchor = pymunk.Body(body_type=pymunk.Body.STATIC)
anchor.position = anchor_position
self.space.add(anchor)
segment_anchor = anchor
next_anchor_pos = anchor_position
for i, segment_length in enumerate(segment_lengths):
segment_size = segment_length, 10
segment_body = pymunk.Body(10, pymunk.moment_for_box(10, segment_size))
end_effector_shape = pymunk.Poly.create_box(segment_body, segment_size)
end_effector_shape.collision_type = NO_COLLISION_TYPE
end_effector_shape.friction = 1.0
end_effector_shape.elasticity = 0.1
alpha = random.random() * math.pi * 2
dx = np.cos(alpha) * segment_length / 2
dy = np.sin(alpha) * segment_length / 2
segment_body.position = next_anchor_pos[0] - dx, next_anchor_pos[1] - dy
next_anchor_pos = (next_anchor_pos[0] - 2 * dx, next_anchor_pos[1] - 2 * dy)
segment_body.angle = alpha
anchor_pin_pos = (0 if i == 0 else -segment_lengths[i - 1] / 2, 0)
pin = pymunk.PinJoint(segment_anchor, segment_body, anchor_pin_pos, (segment_length / 2, 0))
self.space.add(pin)
self.space.add(segment_body, end_effector_shape)
motor = pymunk.SimpleMotor(segment_anchor, segment_body, 0)
motor.max_force = self.max_motor_force
self.space.add(motor)
self.motors.append(motor)
self.segment_bodies.append(segment_body)
segment_anchor = segment_body
return segment_anchor, next_anchor_pos
def spider_create(space):
pos = Vec2d(100, 200)
first_arm_color = 0, 0, 0
second_arm_color = 50, 50, 50
wheel_color = 52, 219, 119
mass = 100
radius = 10
moment = pymunk.moment_for_circle(mass, 20, radius)
wheel1_b = pymunk.Body(mass, moment)
wheel1_s = pymunk.Circle(wheel1_b, radius)
wheel1_s.friction = 1.5
wheel1_s.color = wheel_color
space.add(wheel1_b, wheel1_s)
mass = 100
radius = 10
moment = pymunk.moment_for_circle(mass, 20, radius)
wheel2_b = pymunk.Body(mass, moment)
wheel2_s = pymunk.Circle(wheel2_b, radius)
wheel2_s.friction = 1.5
wheel2_s.color = wheel_color
space.add(wheel2_b, wheel2_s)
mass = 100
size = (50, 30)
moment = pymunk.moment_for_box(mass, size)
chassi_b = pymunk.Body(mass, moment)
chassi_s = pymunk.Poly.create_box(chassi_b, size)
space.add(chassi_b, chassi_s)
wheel1_b.position = pos - (55, 0)
wheel2_b.position = pos + (55, 0)
chassi_b.position = pos + (0, -25)
space.add(pymunk.PinJoint(wheel1_b, chassi_b, (0, 0), (-25, -15)),
pymunk.PinJoint(wheel1_b, chassi_b, (0, 0), (-25, 15)),
pymunk.PinJoint(wheel2_b, chassi_b, (0, 0), (25, -15)),
pymunk.PinJoint(wheel2_b, chassi_b, (0, 0), (25, 15)))
first_arm = pymunk.Segment(chassi_b, (25, -15), (30, -40), 2)
space.add(first_arm)
speed = 4
space.add(pymunk.SimpleMotor(wheel1_b, chassi_b, speed),
pymunk.SimpleMotor(wheel2_b, chassi_b, speed))
def __init__(self, space, shape1, speed):
# Associate the motor with the location of one of the bodies so
# it is removed when that body is out of the simulation
self.body = shape1.body
self.shape = pymunk.SimpleMotor(shape1.body, space.static_body, speed)
super().__init__()
space.add(self.shape)
def add_motor(self):
angular_velocity = 5
#motor_joint=pymunk.SimpleMotor(self.torso[0],self.crank_arm[0],angular_velocity)
#pin_joint=pymunk.PinJoint(self.torso[0],self.crank_arm[0],(0,0),(0,0))
#motor_joint.max_force=50
motor_joint = pymunk.SimpleMotor(self.crank_arm[0], self.torso[0],
angular_velocity)
return motor_joint
def __init__(self):
moment = pymunk.moment_for_box(100, (100, 30))
self.body = pymunk.Body(100, moment)
self.shape = pymunk.Poly.create_box(self.body, (100, 30))
self.body.position = (1200, 200)
self.shape.body = self.body
self.shape.color = (150, 150, 0, 255)
space.add(self.body, self.shape)
wheel_moment = pymunk.moment_for_circle(100, 20, 25)
self.wheel1_body = pymunk.Body(100, wheel_moment)
self.wheel1_body.position = self.body.position + (-80, -20)
self.wheel1_shape = pymunk.Circle(self.wheel1_body, 25)
self.wheel1_shape.friction = 1.5
self.wheel1_shape.color = (200, 200, 200)
self.wheel1_joint = pymunk.PinJoint(self.body, self.wheel1_body,
(-50, 0), (0, 0))
self.wheel1_joint2 = pymunk.PinJoint(self.body, self.wheel1_body,
(-50, -15), (0, 0))
self.wheel1_motor = pymunk.SimpleMotor(self.wheel1_body, self.body, -5)
space.add(self.wheel1_body, self.wheel1_shape, self.wheel1_joint,
self.wheel1_joint2, self.wheel1_motor)
wheel_moment = pymunk.moment_for_circle(100, 20, 25)
self.wheel2_body = pymunk.Body(100, wheel_moment)
self.wheel2_body.position = self.body.position + (80, -20)
self.wheel2_shape = pymunk.Circle(self.wheel2_body, 25)
self.wheel2_shape.friction = 1.5
self.wheel2_shape.color = (200, 200, 200)
self.wheel2_joint = pymunk.PinJoint(self.body, self.wheel2_body,
(50, 0), (0, 0))
self.wheel2_joint2 = pymunk.PinJoint(self.body, self.wheel2_body,
(50, -15), (0, 0))
self.wheel2_motor = pymunk.SimpleMotor(self.wheel2_body, self.body, -5)
space.add(self.wheel2_body, self.wheel2_shape, self.wheel2_joint,
self.wheel2_joint2, self.wheel2_motor)
self.human = pygame.image.load('human.png')
self.human = pygame.transform.scale(self.human, (100, 150))
self.huk = pygame.image.load('huk.png')
self.huk = pygame.transform.scale(self.huk, (100, 150))
self.is_dead = False
self.catch = 0
def __init__(self, a, b, position, range=(-pi, pi), max_rate=2.0):
self.pivot = pymunk.PivotJoint(a, b, position)
self.motor = pymunk.SimpleMotor(a, b, 0)
self.motor.max_force = 1e7
self.limit = pymunk.RotaryLimitJoint(a, b, range[0], range[1])
self.limit.max_force = 1e1
self.limit.max_bias = 0.5
self.max_rate = max_rate
def __init__(self):
c1 = Circle((100, 100), 30)
c2 = Circle((300, 100), 30)
b = Rectangle((200, 150), size=(100, 60), color=GREEN)
j0 = pymunk.PinJoint(c1.body, b.body, (0, 0), (-50, -30))
j0.color = RED
j1 = pymunk.PinJoint(c1.body, b.body, (0, 0), (-50, 30))
j1.color = BLUE
j2 = pymunk.PinJoint(c2.body, b.body, (0, 0), (50, -30))
j3 = pymunk.PinJoint(c2.body, b.body, (0, 0), (50, 30))
App.current.space.add(j0, j1, j2, j3)
speed = -1
App.current.space.add(pymunk.SimpleMotor(c1.body, b.body, speed),
pymunk.SimpleMotor(c2.body, b.body, speed))
def build(space):
global _collisions_added
logger.info('building zombie model')
if not _collisions_added:
_collisions_added = True
add_collision_handler(space)
model = Model()
# build body
layers = 1
body_rect = pygame.Rect(0, 0, 32, 47)
body_body, body_shape = make_body(body_rect)
body_shape.elasticity = 0
body_shape.layers = layers
body_shape.friction = 1
body_sprite = Sprite(body_shape)
space.add(body_body, body_shape)
# build feet
layers = 2
feet_body, feet_shape = make_feet(body_rect)
feet_shape.elasticity = 0
feet_shape.layers = layers
feet_shape.friction = pymunk.inf
feet_sprite = SanicForeverSprite(feet_shape)
space.add(feet_body, feet_shape)
# jump/collision sensor
size = body_rect.width, body_rect.height * 1.05
offset = 0, -body_rect.height * .05
sensor = pymunk.Poly.create_box(body_body, size, offset)
sensor.collision_type = collisions.enemy
sensor.sensor = True
sensor.model = model
space.add(sensor)
# attach feet to body
feet_body.position = (body_body.position.x,
body_body.position.y - feet_shape.radius * .7)
# motor and joint for feet
motor = pymunk.SimpleMotor(body_body, feet_body, 0.0)
joint = pymunk.PivotJoint(
body_body, feet_body, feet_body.position, (0, 0))
space.add(motor, joint)
# the model is used to gameplay logic
model.sprite = body_sprite
model.feet = feet_sprite
model.motor = motor
model.joint = joint
model.sensor = sensor
return model
def create_wheel(self, wheel_side):
if wheel_side not in ['rear', 'front']:
raise Exception('Wheel position must be front or rear')
wheel_objects = []
wheel_mass = getattr(self, wheel_side + '_wheel_mass')
wheel_radius = getattr(self, wheel_side + '_wheel_radius')
wheel_position = getattr(self, wheel_side + '_wheel_position')
wheel_friction = getattr(self, wheel_side + '_wheel_friction')
wheel_elasticity = getattr(self, wheel_side + '_wheel_elasticity')
wheel_damp_position = getattr(self,
wheel_side + '_wheel_damp_position')
wheel_damp_length = getattr(self, wheel_side + '_wheel_damp_length')
wheel_damp_stiffness = getattr(self,
wheel_side + '_wheel_damp_stiffness')
wheel_damp_damping = getattr(self, wheel_side + '_wheel_damp_damping')
wheel_body = pymunk.Body(
wheel_mass,
pymunk.moment_for_box(wheel_mass,
(wheel_radius * 2, wheel_radius * 2)))
wheel_body.position = (wheel_position[0] * self.x_modification,
wheel_position[1])
wheel_shape = pymunk.Poly.create_box(
wheel_body, (wheel_radius * 2, wheel_radius * 2))
wheel_shape.filter = pymunk.ShapeFilter(group=self.car_group)
wheel_shape.color = 255, 34, 150
wheel_shape.friction = wheel_friction
wheel_shape.elasticity = wheel_elasticity
wheel_objects.append(wheel_shape)
wheel_grove = pymunk.GrooveJoint(
self.car_body, wheel_body,
(wheel_damp_position[0] * self.x_modification,
wheel_damp_position[1]),
(wheel_damp_position[0] * self.x_modification,
wheel_damp_position[1] - wheel_damp_length * 1.5), (0, 0))
wheel_objects.append(wheel_grove)
wheel_damp = pymunk.DampedSpring(
wheel_body,
self.car_body,
anchor_a=(0, 0),
anchor_b=(wheel_damp_position[0] * self.x_modification,
wheel_damp_position[1]),
rest_length=wheel_damp_length,
stiffness=wheel_damp_stiffness,
damping=wheel_damp_damping)
wheel_objects.append(wheel_damp)
wheel_motor = None
if (wheel_side == 'rear' and self.drive in [self.AWD, self.FR]) or (
wheel_side == 'front' and self.drive in [self.AWD, self.FF]):
wheel_motor = pymunk.SimpleMotor(wheel_body, self.car_body, 0)
return wheel_body, wheel_motor, wheel_objects
def build(space, group):
# type: (pymunk.Space, pygame.sprite.AbstractGroup) -> CatModel
"""
Builds our unicycle cat.
:param space: The pymunk space to put the cat in.
:param group: The pygame sprite group to put the cat in.
"""
scale = 2
normal_rect = pygame.Rect(0, 0, 32 * scale, 40 * scale)
cat_model = CatModel()
sprites = []
pymunk_objects = []
filter1 = pymunk.ShapeFilter(group=0b000001)
# Main body
body_body = pymunk.Body(0.00001, pymunk.inf)
body_body.position = normal_rect.topleft
cat_model.main_body = body_body
pymunk_objects.append(body_body)
# seat
seat_body = build_seat(filter1, normal_rect, pymunk_objects, sprites)
# build feet
cat_model.feet, feet_sprite = build_feet(filter1, normal_rect,
pymunk_objects, body_body,
seat_body)
sprites.append(feet_sprite)
# Add motor
cat_model.motor = pymunk.SimpleMotor(body_body, cat_model.feet, 0.0)
pymunk_objects.append(cat_model.motor)
# cat
cat_body, cat_rect = build_cat(normal_rect, pymunk_objects, sprites)
# hold cat the the seat
spring = pymunk.DampedSpring(seat_body, cat_body, normal_rect.midtop,
cat_rect.midbottom, 0, 1, 0)
pymunk_objects.append(spring)
# tilt corrector
spring = pymunk.DampedRotarySpring(body_body, seat_body, radians(0), 60000,
20000)
spring.collide_bodies = False
pymunk_objects.append(spring)
cat_model.sprites = sprites
cat_model.pymunk_objects = pymunk_objects
space.add(pymunk_objects)
group.add(*sprites)
return cat_model
def __init__(self,
mass=DEFAULT_MASS,
position=(G_SCREEN_WIDTH / 2, G_SCREEN_HEIGHT / 4)):
self._fuel = 500
self.force = DEFAULT_FORCE
self.wheels = []
self.flying_missiles = []
# Anti-spacecraft wheels
self.wheel1_b, self.wheel1_s = self.create_body(
mass,
(position[0] - ANTI_SPACECRAFT_CHASSIS[0] / 1.5, position[1]),
ANTI_SPACECRAFT_WHEEL_SIZE)
self.wheel2_b, self.wheel2_s = self.create_body(
mass,
(position[0] + ANTI_SPACECRAFT_CHASSIS[0] / 1.5, position[1]),
ANTI_SPACECRAFT_WHEEL_SIZE)
self.wheels.extend((self.wheel1_b, self.wheel2_b))
# Anti-spacecraft chassis
self.chassis_b, self.chassis_s = self.create_body(
mass / 5, position, ANTI_SPACECRAFT_CHASSIS)
self.chassis_s.color = 255, 155, 0
# Create cannon
self.cannon_b, self.cannon_s = self.create_body(
0.01, (position[0] - ANTI_SPACECRAFT_CHASSIS[0] / 2,
position[1] + ANTI_SPACECRAFT_CHASSIS[1] / 2),
ANTI_SPACECRAFT_CANNON)
# Create missiles
self.missile_body, self.missile_shape = self.create_missile()
# Anti-spacecraft joints
# TODO: Use for-loop (?)
self.pin1 = pymunk.PinJoint(self.wheel1_b, self.chassis_b, (0, 0),
(-ANTI_SPACECRAFT_CHASSIS[0] / 2, 0))
self.pin2 = pymunk.PinJoint(self.wheel2_b, self.chassis_b, (0, 0),
(ANTI_SPACECRAFT_CHASSIS[0] / 2, 0))
self.pin3 = pymunk.PinJoint(self.wheel1_b, self.chassis_b, (0, 0),
(0, ANTI_SPACECRAFT_CHASSIS[1] / 2))
self.pin4 = pymunk.PinJoint(self.wheel2_b, self.chassis_b, (0, 0),
(0, ANTI_SPACECRAFT_CHASSIS[1] / 2))
self.pin5 = pymunk.PinJoint(self.wheel1_b, self.chassis_b, (0, 0),
(0, -ANTI_SPACECRAFT_CHASSIS[1] / 2))
self.pin6 = pymunk.PinJoint(self.wheel2_b, self.chassis_b, (0, 0),
(0, -ANTI_SPACECRAFT_CHASSIS[1] / 2))
self.pin7 = pymunk.PinJoint(self.wheel2_b, self.chassis_b, (0, 0),
(0, -ANTI_SPACECRAFT_CHASSIS[1] / 2))
self.pin8 = pymunk.PinJoint(self.cannon_b, self.chassis_b,
(ANTI_SPACECRAFT_CANNON[0] / 2, 0),
(0, ANTI_SPACECRAFT_CHASSIS[1] / 2))
self.cannon_mt = pymunk.SimpleMotor(self.cannon_b, self.chassis_b, 0)
self.cannon_mt.collide_bodies = False
def __init__(self,
floor,
leg_mass=5.,
leg_width=2.,
leg_length=40.,
leg_friction=.4,
init_leg_angle=30):
self.leg_length = leg_length
self.leg_mass = leg_mass
self.leg_width = leg_width
self.leg_friction = leg_friction
self.legs_min_angle = 0.
self.legs_max_angle = .9 * math.pi
self.leg1, self.joint_pos_l1 = self.create_leg(
self.leg_mass, self.leg_length, self.leg_width,
math.radians(init_leg_angle), leg_friction,
pygame.color.THECOLORS['red'])
self.leg2, self.joint_pos_l2 = self.create_leg(
self.leg_mass, self.leg_length, self.leg_width,
math.radians(-init_leg_angle), leg_friction,
pygame.color.THECOLORS['green'])
leg_position_x = floor.body.position.x / 8.
leg_position_y = floor.body.position.y
self.place_leg(self.leg1, leg_position_x, leg_position_y,
math.radians(init_leg_angle))
self.place_leg(self.leg2, leg_position_x, leg_position_y,
math.radians(-init_leg_angle))
self.rotation_center_legs_joint = pymunk.PivotJoint(
self.leg1.body, self.leg2.body, self.joint_pos_l2,
self.joint_pos_l1)
self.rotation_center_legs_joint.collide_bodies = False
self.leg1_floor_motor = pymunk.SimpleMotor(self.leg1.body, floor.body,
0.)
self.leg2_floor_motor = pymunk.SimpleMotor(self.leg2.body, floor.body,
0.)
self.legs_rotary_limit_joint = pymunk.RotaryLimitJoint(
self.leg1.body, self.leg2.body, self.legs_min_angle,
self.legs_max_angle)
def testPickle(self):
a, b = p.Body(10, 10), p.Body(20, 20)
j = p.SimpleMotor(a, b, 1)
s = pickle.dumps(j)
j2 = pickle.loads(s)
self.assertEqual(j.rate, j2.rate)
self.assertEqual(j.a.mass, j2.a.mass)
self.assertEqual(j.b.mass, j2.b.mass)
def __init__(self, pos, colour, sim):
self.sim = sim
self.colour = colour
self.group = self.sim.groups
self.sim.groups += 1
space = self.sim.space
self.robot = self.add_robot(space, pos)
self.kickzone = self.add_kickzone(space)
self.wheel_left = self.add_wheel_left(space)
self.wheel_right = self.add_wheel_right(space)
self.cons1 = pymunk.SimpleMotor(self.robot.body,
self.wheel_left.body, 0)
self.cons2 = pymunk.SimpleMotor(self.robot.body,
self.wheel_right.body, 0)
space.add(self.cons1, self.cons2)
SimRobotInterface.__init__(self)
def createSqr(self, position):
mass = 5
inertia = pymunk.moment_for_box(mass, (15, 15))
body = pymunk.Body(mass, inertia)
body.position = position
shape = pymunk.Poly.create_box(body, (15, 15))
shape.elasticity = 0.95
shape.friction = 0.5
self.space.add(body, shape)
self.space.add(pymunk.SimpleMotor(body, self.space.static_body, -4))
self.objects.append(shape)
def _attach_to_anchor(self):
self.joint = pymunk.PivotJoint(self.anchor.pm_body, self.pm_body, self._rel_coord_anchor, self._rel_coord_part)
self.joint.collide_bodies = False
self.limit = pymunk.RotaryLimitJoint(self.anchor.pm_body, self.pm_body,
self.angle_offset - self.rotation_range / 2,
self.angle_offset + self.rotation_range / 2)
self.motor = pymunk.SimpleMotor(self.anchor.pm_body, self.pm_body, 0)
self.pm_elements += [self.joint, self.motor, self.limit]
def testSimpleMotor(self):
a, b = p.Body(10, 10), p.Body(20, 20)
j = p.SimpleMotor(a, b, 0.3)
self.assertEqual(j.rate, 0.3)
j.rate = 0.4
self.assertEqual(j.rate, 0.4)
j.max_bias = 30
j.bias_coef = 40
j.max_force = 50
self.assertEqual(j.max_bias, 30)
self.assertEqual(j.bias_coef, 40)
self.assertEqual(j.max_force, 50)
def createPoly(self, position):
mass = 5
vertices = [(20, 0), (0, 20), (0, -20)]
inertia = pymunk.moment_for_poly(mass, vertices)
body = pymunk.Body(mass, inertia)
body.position = position
shape = pymunk.Poly(body, vertices)
shape.elasticity = 0.95
shape.friction = 0.5
self.space.add(body, shape)
self.space.add(pymunk.SimpleMotor(body, self.space.static_body, -4))
self.objects.append(shape)
def createCirc(self, position, radius, motor=False):
mass = 5
inertia = pymunk.moment_for_circle(mass, 0, radius)
body = pymunk.Body(mass, inertia)
body.position = position
shape = pymunk.Circle(body, radius)
shape.elasticity = 0.95
shape.friction = 0.5
self.space.add(body, shape)
if motor:
self.space.add(pymunk.SimpleMotor(body, self.space.static_body,
-8))
self.objects.append(shape)