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);
}