Function _normalize

demo_render/interactive_viewer/camera.py:12–14

(v: np.ndarray)

def _normalize(v: np.ndarray) -> np.ndarray:
    n = np.linalg.norm(v)
    return v / n if n > 1e-8 else v


def _lookat_w2c(eye: np.ndarray, center: np.ndarray, up: np.ndarray) -> np.ndarray: