def lookat(ex, ey, ez, tx, ty, tz, ux, uy, uz):
e = np.array([ex, ey, ez])
t = np.array([tx, ty, tz])
u = np.array([ux, uy, uz])
return matrix.lookat(e, t, u)
def lookat(ex, ey, ez, tx, ty, tz, ux, uy, uz):
e = np.array([ex, ey, ez])
t = np.array([tx, ty, tz])
u = np.array([ux, uy, uz])
return matrix.lookat(e, t, u)