def rectangle(l):
p = Point(np.random.uniform(low=-l/2, high=l/2), np.random.uniform(low=0, high=l/2))
w = np.random.uniform(low=0, high=l/3)
h = np.random.uniform(low=0, high=l/6)
a = np.random.uniform(low=-np.pi/4, high=np.pi/4)
p1 = p.translation(w, h).rotation(a, p)
p2 = p.translation(w, -h).rotation(a, p)
p3 = p.translation(-w, -h).rotation(a, p)
p4 = p.translation(-w, h).rotation(a, p)
return Polyline([Line(p1, p2), Line(p2, p3), Line(p3, p4), Line(p4, p1)])
def create_layer_points(self, point_distance, layer_distance, layer_size,
layer_depth):
layer_points = []
p = Point(layer_depth * layer_distance,
float(layer_size - 1) / 2 * point_distance)
for j in range(layer_size):
layer_points.append(p)
p = p.translation(0, -point_distance)
return layer_points
def create_arm(angles, lengths):
alpha = np.pi/2
A = Point(0, 0)
lines = []
for i in range(len(angles)):
B = A.translation(lengths[i], 0)
alpha += angles[i]
B = B.rotation(alpha, A)
lines.append(Line(A, B))
A = B
return Polyline(lines)
