def get_curve(self, spline, matrix):
segments = []
pairs = zip(spline.bezier_points, spline.bezier_points[1:])
if spline.use_cyclic_u:
pairs = list(pairs) + [
(spline.bezier_points[-1], spline.bezier_points[0])
]
points = []
is_first = True
for p1, p2 in pairs:
c0 = p1.co
c1 = p1.handle_right
c2 = p2.handle_left
c3 = p2.co
if self.apply_matrix:
c0, c1, c2, c3 = [tuple(matrix @ c) for c in [c0, c1, c2, c3]]
else:
c0, c1, c2, c3 = [tuple(c) for c in [c0, c1, c2, c3]]
points.append([c0, c1, c2, c3])
segment = SvCubicBezierCurve(c0, c1, c2, c3)
segments.append(segment)
if self.concat_segments:
return points, concatenate_curves(segments)
else:
return points, segments
def to_bezier_segments(self):
control_points = self.spline.get_control_points()
is_cubic = isinstance(self.spline, CubicSpline)
curve_constructor = lambda cs: SvCubicBezierCurve(
*cs) if is_cubic else SvBezierCurve
segments = [curve_constructor(points) for points in control_points]
return segments