def rotate(curve, axis, edges=None, angles=None):
points = []
[points.extend(element.tesselate()) for element in curve]
points = optimize(points)
slices = []
if edges is not None and angles is None:
angles = [(math.pi * 2.0 / edges) * i for i in range(0, edges)]
elif edges is not None or angles is None:
raise Exception()
for angle in angles:
mat = model.rotationMatrix(axis, angle).transpose()
slices.append([(numpy.array([*p, 1.0]) * mat).getA()[0][0:3] for p in points])
return slices
def rotate(curve, axis, edges):
def pointToVector(p):
return numpy.resize(numpy.append(p, [1.]), (4, 1))
def vectorToPoint(v):
return v.getA()[:,0][0:3]
points = []
[points.extend(element.tesselate()) for element in curve]
points = optimize(points)
slices = []
for i in range(0, edges):
mat = model.rotationMatrix(axis, (math.pi * 2. / float(edges)) * float(i))
slices.append([vectorToPoint(mat * pointToVector(p)) for p in points])
return slices
def rotate(self, hrot, vrot):
self.camera -= self.pov
if hrot != 0.:
horizRotationMatrix = numpy.matrix([
[math.cos(hrot), -math.sin(hrot), 0., 0.],
[math.sin(hrot), math.cos(hrot), 0., 0.],
[ 0., 0., 1., 0.],
[ 0., 0., 0., 1.]])
self.camera = horizRotationMatrix * self.camera
self.axis = horizRotationMatrix * self.axis
if vrot != 0.:
normal = model.normal(self.camera.getA()[:,0], self.axis.getA()[:,0])
normal = model.normalize(normal)
vertRotationMatrix = model.rotationMatrix(normal, vrot)
self.camera = vertRotationMatrix * self.camera
self.axis = vertRotationMatrix * self.axis
self.camera += self.pov
def rotate(self, hrot, vrot):
camera = self.camera - self.pov
axis = self.axis
if hrot != 0.0:
horizRotationMatrix = numpy.matrix([
[ math.cos(hrot), math.sin(hrot), 0.0, 0.0],
[-math.sin(hrot), math.cos(hrot), 0.0, 0.0],
[ 0.0, 0.0, 1.0, 0.0],
[ 0.0, 0.0, 0.0, 1.0]])
camera = (camera * horizRotationMatrix).getA()[0]
axis = (axis * horizRotationMatrix).getA()[0]
if vrot != 0.0:
normal = numpy.cross(camera[0:3], self.axis[0:3])
normal /= numpy.linalg.norm(normal)
vertRotationMatrix = model.rotationMatrix(normal, vrot).transpose()
camera = (camera * vertRotationMatrix).getA()[0]
axis = (axis * vertRotationMatrix).getA()[0]
self.camera = camera + self.pov
self.axis = axis
