def get_border_shape_def(world_size, restitution, friction, density):
"""Return Box2D shape def for the screen borders."""
shape = box2d.b2EdgeChainDef()
shape.setVertices_b2Vec2((p2b_coor((1,1)),
p2b_coor((world_size[0]-1,1)),
p2b_coor((world_size[0]-1,world_size[1]-1)),
p2b_coor((1, world_size[1]-1))))
shape.restitution = restitution
shape.friction = friction
shape.density = density
return shape
def make_edge(svgpath):
r = []
#print svgpath.transform
#if not svgpath.id.startswith('ground'): return None
for loop in svgpath.path:
bd = box2d.b2BodyDef()
bd.position = (0,0)
sd = box2d.b2EdgeChainDef()
data = [svgpath.transform((x[0], x[1])) for x in list(reversed(loop))]
data = [(x[0]*settings.scale, x[1]*settings.scale) for x in data]
#pprint(data)
sd.setVertices(data)
sd.isALoop = False
sd.density = 1.0
sd.friction = 1.75
sd.restitution = 0.1
body = self.world.CreateBody(bd)
shape = body.CreateShape(sd)
r.append((body,shape))
return r
#!/usr/bin/python2.6
#!/usr/bin/python2.6
