// handle input
void Update()
{
// turn the character / gun to face whatever direction the mouse is pointed
Vector2 mp = Camera.main.ScreenToWorldPoint(Input.mousePosition);
Vector2 pp = transform.position;
Vector2 playerDir = mp - pp;
// TODO(Both): Figure out better gun pointing
if (m_Weapon)
{
float radius = (pp - (Vector2)(m_gunController
.GetProjectileSpawnPoint().transform.position)).magnitude;
Vector2 gunDir = mp - (Vector2)m_Weapon.transform.position;
if (playerDir.magnitude > radius)
{
transform.up = gunDir.normalized;
}
else
{
}
}
else
{
transform.up = playerDir.normalized;
}
// Handle weapon firing
if (m_Weapon)
{
if (Input.GetMouseButtonDown(0))
{
m_gunController.StartAttack();
}
if (Input.GetMouseButtonUp(0))
{
m_gunController.EndAttack();
}
if (Input.GetKeyDown("r"))
{
if (m_gunController.GetProjectilesInGun() < m_gunController.GetGunCapacity())
{
m_gunController.Reload();
}
}
}
// Handle item pickup
if (Input.GetKeyDown("f"))
{
// If already carrying a gun, drop it
if (m_Weapon)
{
m_Weapon.transform.SetParent(transform.parent);
m_Weapon = null;
m_gunController = null;
}
else
{
// Loop through all guns, and see which are within the pick up radius. Record
// which gun is closest to the player
GameObject closestGun = null;
float closestDist = Mathf.Infinity;
GameObject[] objects = GameObject.FindGameObjectsWithTag("Weapon");
foreach (var gun in objects)
{
Vector3 gun_pos = gun.transform.position;
Vector3 player_pos = this.transform.position;
float dist = (gun_pos - player_pos).magnitude;
if (dist < m_PickUpRadius && dist < closestDist)
{
closestGun = gun;
closestDist = dist;
}
}
// Now actually pick up the gun
if (closestGun)
{
m_Weapon = closestGun;
m_Weapon.transform.parent = transform;
m_Weapon.transform.up = transform.up;
m_Weapon.transform.localPosition = new Vector3(
0.5f * (transform.localScale.x + m_Weapon.transform.localScale.x),
0.5f * transform.localScale.y,
0
);
m_gunController = m_Weapon.GetComponent <iGunController>();
}
}
}
}
// Use this for initialization
void Start()
{
m_Weapon = null;
m_gunController = null;
}
