///<summary>Updates the Bomb item usage every frame, including cooldown timer, checking input and updating the UI.</summary>
private void UpdateBomb()
{
bombCooldownTimer -= Time.deltaTime;
if (Input.GetKeyDown(KeyCode.Alpha3) &&
bombCooldownTimer <= 0 &&
bombCount > 0)
{
bombCooldownTimer = bombCooldown;
bombCount--;
Collider2D[] targets = Physics2D.OverlapCircleAll(transform.position, bombRadius, bombLayer);
foreach (Collider2D target in targets)
{
if (target.CompareTag(bombTargetTag))
{
Destroy(target.gameObject);
}
}
}
float progress = bombCooldownTimer / bombCooldown;
bombDisplay.UpdateDisplay(progress, bombCount);
}
///<summary>Updates the Energy Drink item usage every frame, including cooldown timer, checking input and updating the UI.</summary>
private void UpdateEnergyDrink()
{
energyDrinkCooldownTimer -= Time.deltaTime;
energyDrinkDurationTimer -= Time.deltaTime;
if (energyDrinkDurationTimer <= 0)
{
energyDrinkActive = false;
}
if (Input.GetKeyDown(KeyCode.Alpha1) &&
energyDrinkCooldownTimer <= 0 &&
energyDrinkCount > 0)
{
energyDrinkCooldownTimer = energyDrinkCooldown;
energyDrinkDurationTimer = energyDrinkDuration;
energyDrinkCount--;
energyDrinkActive = true;
}
float progress = energyDrinkCooldownTimer / energyDrinkCooldown;
energyDrinkDisplay.UpdateDisplay(progress, energyDrinkCount);
}
///<summary>Updates the Stun Gun item usage every frame, including cooldown timer, checking input and updating the UI.</summary>
private void UpdateStunGun()
{
stunGunCooldownTimer -= Time.deltaTime;
if (Input.GetKeyDown(KeyCode.Alpha2) &&
stunGunCooldownTimer <= 0 &&
stunGunCount > 0)
{
stunGunActive = !stunGunActive;
stunGunIndicator.enabled = stunGunActive;
}
if (stunGunActive)
{
Vector2 mousePosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
Vector2 mouseDirection = mousePosition - (Vector2)transform.position;
RaycastHit2D[] hits = Physics2D.RaycastAll(transform.position, mouseDirection, stunGunRange, stunGunLayer);
// display an indicator beam while active
bool hitWall = false;
foreach (RaycastHit2D hit in hits)
{
GameObject target = hit.collider.gameObject;
if (target.CompareTag("Wall"))
{
hitWall = true;
stunGunIndicator.SetPosition(0, transform.position);
stunGunIndicator.SetPosition(1, target.transform.position);
break;
}
}
if (!hitWall)
{
Vector2 targetPos = (Vector2)transform.position + mouseDirection * stunGunRange;
stunGunIndicator.SetPosition(0, transform.position);
stunGunIndicator.SetPosition(1, targetPos);
}
if (Input.GetButtonDown("Fire1"))
{
stunGunActive = false;
stunGunIndicator.enabled = false;
stunGunCooldownTimer = stunGunCooldown;
stunGunCount--;
foreach (RaycastHit2D hit in hits)
{
GameObject target = hit.collider.gameObject;
if (target.CompareTag("Wall"))
{
break;
}
if (target.CompareTag(stunGunTargetTag))
{
Enemy enemy;
if (target.TryGetComponent <Enemy>(out enemy))
{
enemy.Stun(stunGunDuration);
}
}
}
}
}
float progress = stunGunCooldownTimer / stunGunCooldown;
stunGunDisplay.UpdateDisplay(progress, stunGunCount);
}