TPSオンラインゲーム制作 キャラとカメラの移動、カバーアクション、銃を撃つまで

using UnityEngine;
public class CTargerManager : HealthManager
{
public override void TakeDamage(Vector3 location, Vector3 direction, float damage, Collider bodyPart = null, GameObject origin = null)
{
GetComponent<Rigidbody>().AddForce(direction * 5f, ForceMode.Impulse);
}
}

private void ChangeWeapon(int oldWeapon, int newWeapon, bool up_falg = true)
{
// Previously armed? Disable weapon.
if (oldWeapon > 0)
{
weapons[oldWeapon].gameObject.SetActive(false);
gunMuzzle = null;
weapons[oldWeapon].Toggle(false);
}
// Cycle trought empty slots to find next existing weapon or the no weapon slot.
if (up_falg)
{
while (weapons[newWeapon] == null && newWeapon > 0)
{
newWeapon = (newWeapon + 1) % weapons.Count;
}
}
else
{
while (weapons[newWeapon] == null && newWeapon > 0)
{
newWeapon = (newWeapon + (weapons.Count - 1)) % weapons.Count;
}
}
// Next weapon exists? Activate it.
if (newWeapon > 0)
{
weapons[newWeapon].gameObject.SetActive(true);
gunMuzzle = weapons[newWeapon].transform.Find("muzzle");
weapons[newWeapon].Toggle(true);
}
activeWeapon = newWeapon;
// Call change weapon animation if new weapon type is different.
if (oldWeapon != newWeapon)
{
behaviourManager.GetAnim.SetTrigger(changeWeaponTrigger);
behaviourManager.GetAnim.SetInteger(weaponTypeInt, weapons[newWeapon] ? (int)weapons[newWeapon].type : 0);
}
// Set crosshair if armed.
SetWeaponCrosshair(newWeapon > 0);
}

private void Update()
{
// Handle shoot weapon action.
if (Input.GetAxisRaw(shootButton) != 0 && !isShooting && activeWeapon > 0 && burstShotCount == 0)
{
isShooting = true;
ShootWeapon(activeWeapon);
}
else if (isShooting && Input.GetAxisRaw(shootButton) == 0)
{
isShooting = false;
}
// Handle reload weapon action.
else if (Input.GetButtonUp(reloadButton) && activeWeapon > 0)
{
if (weapons[activeWeapon].StartReload())
{
AudioSource.PlayClipAtPoint(weapons[activeWeapon].reloadSound, gunMuzzle.position, 0.5f);
behaviourManager.GetAnim.SetBool(reloadBool, true);
}
}
// Handle drop weapon action.
else if (Input.GetButtonDown(dropButton) && activeWeapon > 0)
{
// End reload paramters, drop weapon and change to another one in inventory.
EndReloadWeapon();
int weaponToDrop = activeWeapon;
ChangeWeapon(activeWeapon, 0);
weapons[weaponToDrop].Drop();
weapons[weaponToDrop] = null;
}
// Handle change weapon action.
else
{
if (Input.mouseScrollDelta.y < 0 && !isChangingWeapon)
{
isChangingWeapon = true;
int nextWeapon = activeWeapon + (weapons.Count - 1) % weapons.Count;
ChangeWeapon(activeWeapon, (nextWeapon) % weapons.Count, false);
}
else if (Input.mouseScrollDelta.y > 0 && !isChangingWeapon)
{
isChangingWeapon = true;
int nextWeapon = activeWeapon + 1;
ChangeWeapon(activeWeapon, (nextWeapon) % weapons.Count);
}
else
{
isChangingWeapon = false;
}
//if ((Input.GetAxisRaw(changeButton) != 0 && !isChangingWeapon))
//{
// isChangingWeapon = true;
// int nextWeapon = activeWeapon + 1;
// ChangeWeapon(activeWeapon, (nextWeapon) % weapons.Count);
//}
//else if (Input.GetAxisRaw(changeButton) == 0)
//{
// isChangingWeapon = false;
//}
}
// Manage shot parameters after shooting action.
if (isShotAlive)
ShotDecay();
isAiming = behaviourManager.GetAnim.GetBool(aimBool);
}