from typing import List


def unity2bullet_position(unity_position: List[float]):
    """Converts from unity to bullet position.

    Args:
        unity_position: The xyz position in unity coordinates.
    
    Returns:
        bullet_position: The xyz position in bullet coordinates.
    """
    x, y, z = unity_position
    bullet_position = [-z, x, y]
    return bullet_position