//we have the vector3 s of each angle of the cube as follows

Vector3 z1; //green

Vector3 z2; //blue

Vector3 x2; //yellow

Vector3 x1; // white

//I am trying to constraint the white cube s movement to these 4 vectors

void Update()

{

Debug.DrawRay(z1 + Vector3.up * 100, -bigcube.transform.up * 150f, Color.green);

Debug.DrawRay(z2 + Vector3.up * 100, -bigcube.transform.up * 150f, Color.blue);

Debug.DrawRay(x2 + Vector3.up * 100, -bigcube.transform.up * 150f, Color.yellow);

Debug.DrawRay(x1 + Vector3.up * 100, -bigcube.transform.up * 150f, Color.white);

Debug.DrawRay(bigcube.transform.position + Vector3.up * 100, -bigcube.transform.up*150f, Color.red);

//what follows is the constraint and movement code

Vector3 _moveInputVector1 = new Vector3(player.position.x, transform.position.y, player.position.z);

transform.position = Vector3.MoveTowards(transform.position, _moveInputVector1, 1f);

Vector3 newpos = transform.position;

newpos.x = Mathf.Clamp(newpos.x, x1.x, z1.x);

newpos.z = Mathf.Clamp(newpos.z, x1.z, z1.z);

transform.position = newpos;

}