def __init__(self, radius, local_position=(0,0), colour=(1,1,1),
density=None, friction=None, restitution=None):
self.shape = b2CircleDef()
super(Circle, self).__init__(shape=b2CircleDef(), colour=colour,
density=density, friction=friction,
restitution=restitution)
self.shape.localPosition = local_position
self.shape.radius = radius
def setup_ball():
bodydef = b2BodyDef()
bodydef.position = b2Vec2(W * 0.33, H * 0.7)
body = world.CreateBody(bodydef)
cdef = b2CircleDef()
cdef.radius = BOX_SIZE
cdef.density = 0.01
cdef.restitution = 0.3
cdef.friction = 0.3
body.CreateShape(cdef)
body.SetMassFromShapes()
return body
def circle_def(radius,
center=(0, 0),
density=1,
restitution=0.1,
friction=2):
s = b2CircleDef()
s.radius = radius
s.localPosition = b2Vec2(*center)
s.density = density
s.restitution = restitution
s.friction = friction
return s
def create_body(self, pos):
bodydef = b2BodyDef()
bodydef.position = b2Vec2(*pos)
body = world.CreateBody(bodydef)
cdef = b2CircleDef()
cdef.radius = self.RADIUS
cdef.density = 1.0
cdef.restitution = 0.1
cdef.friction = 0.5
body.CreateShape(cdef)
self.body = body
body.SetBullet(True)
body.SetMassFromShapes()
def circle_def(radius,
center=(0, 0),
density=1,
restitution=0.1,
friction=2,
groupindex=0):
s = b2CircleDef()
s.radius = radius
s.localPosition = b2Vec2(*center)
s.density = density
s.restitution = restitution
s.friction = friction
s.filter.groupIndex = groupindex
return s
def create_body(self, pos):
bodydef = b2BodyDef()
bodydef.position = b2Vec2(*pos)
body = world.CreateBody(bodydef)
cdef = b2CircleDef()
cdef.radius = self.RADIUS
cdef.density = 1.0 #вес тела
cdef.restitution = 0.1 # прыгучесть, отскок
cdef.friction = 0.5 # сила трения
body.CreateShape(cdef)
self.body = body
body.SetBullet(True)
body.SetMassFromShapes()
self.body.userData = self