def rotate2d(self, ang=0.0, sc=True):
"""rotate(
ang:float - angle of rotation (degrees)
sc:bool - reference system for rotation (body or system coordinates)
).
Function that rotates the 2D object of an angle ang.
If sc = False the rotation is made wrt the
body coordinates, wrt the system coordinates otherwise.
"""
if sc:
self.obj = ocaml.body_rotated_sc(self.obj,0,1,ang)
else:
self.obj = ocaml.body_rotated_bc(self.obj,0,1,ang)
def rotate(self, a1_ix, a2_ix, ang=0.0, sc=True):
"""rotate(
a1_ix:int - index of first rotation axis
a2_ix:int - index of second rotation axis
ang:float - angle of rotation (degrees)
sc:bool - reference system for rotation (body or system coordinates)
).
Function that rotates the object of an angle ang
given the indices of the rotation axes.
If sc = False the rotation is made wrt the
body coordinates, wrt the system coordinates otherwise.
"""
if sc:
self.obj = ocaml.body_rotated_sc(self.obj,a1_ix,a2_ix,ang)
else:
self.obj = ocaml.body_rotated_bc(self.obj,a1_ix,a2_ix,ang)
def z_rotation(): # 2D & 3D
if bc:
return ocaml.body_rotated_bc(obj,1,0,ang)
else:
return ocaml.body_rotated_sc(obj,1,0,ang)
def y_rotation(): # only 3D
if bc:
return ocaml.body_rotated_bc(obj,0,2,ang)
else:
return ocaml.body_rotated_sc(obj,0,2,ang)
