def rotateCam(self, axis, dtheta):
rotation_mat = matrix44.create_from_axis_rotation(axis, dtheta)
self.camLookAt -= self.camPos
newvec = Vector4.from_vector3(self.camLookAt, 1.0)
newvec = rotation_mat.dot(newvec)
self.camLookAt = Vector3.from_vector4(newvec)[0]
self.camLookAt += self.camPos
def __apply_transformation_vec3(self, a_point):
'''
Applies the transformation to a given Verctor3.
:param a_point: Vector3
'''
return (Matrix33.from_quaternion(self.__rotation_quaternion).T *
a_point) + Vector3.from_vector4(self.__translation)[0]
def test_conversions(self):
from pyrr import Quaternion, Matrix33, Matrix44, Vector3, Vector4
v3 = Vector3([1.,0.,0.])
v4 = Vector4.from_vector3(v3, w=1.0)
v3, w = Vector3.from_vector4(v4)
m44 = Matrix44()
q = Quaternion(m44)
m33 = Matrix33(q)
m33 = Matrix44().matrix33
m44 = Matrix33().matrix44
q = Matrix44().quaternion
q = Matrix33().quaternion
m33 = Quaternion().matrix33
m44 = Quaternion().matrix44
def test_conversions(self):
from pyrr import Quaternion, Matrix33, Matrix44, Vector3, Vector4
v3 = Vector3([1., 0., 0.])
v4 = Vector4.from_vector3(v3, w=1.0)
v3, w = Vector3.from_vector4(v4)
m44 = Matrix44()
q = Quaternion(m44)
m33 = Matrix33(q)
m33 = Matrix44().matrix33
m44 = Matrix33().matrix44
q = Matrix44().quaternion
q = Matrix33().quaternion
m33 = Quaternion().matrix33
m44 = Quaternion().matrix44
