def generate_rotation_matrix(self):
phi = self.get_phi()
theta = self.get_theta()
gamma = self.get_gamma()
matrices = [
rotation_about_z(-theta - 90 * DEGREES),
rotation_matrix(-phi, RIGHT),
rotation_about_z(gamma),
]
result = np.identity(3)
for matrix in matrices:
result = np.dot(matrix, result)
return result
def get_view_transformation_matrix(self):
return (self.default_distance / self.get_distance()) * np.dot(
rotation_matrix(self.get_phi(), LEFT),
rotation_about_z(-self.get_theta() - np.pi / 2),
)