void TranslationZZ()
{
Vector3 pos = transform.position;
//pos.z += Input.GetAxis("Mouse X")*translation_factor;
//float tran_x = Input.GetAxis("Mouse X")*translation_factor;
float tran_y = Input.GetAxis("Mouse Y")*translation_factor*0.3f;
//pos.z += Mathf.Sqrt(tran_x*tran_x+ tran_y*tran_y);
if(pos.z<=-3.6f && tran_y<0.0f)
{
return;
}
else if(pos.z>=7.0 && tran_y>0.0f)
{
return;
}
pos.z += tran_y;
transform.position = pos;
}