// "LaunchProjectile()" is called by animation Event in 'Enemy 5 Fire Animation'
public IEnumerator LaunchProjectile()
{
// check if the object is already active - this is because this function is called by animation event !
if (gameObject.activeInHierarchy == false)
{
yield break; // FIX CS return null;
}
canFire = false; // the object is no more allowed to fire (this is a unique shot)
bulletClone = weaponPool.Spawn();
bulletClone.transform.position = new Vector3(myTr.position.x + 0.06f * myTr.right.x, myTr.position.y + 0.16f * myTr.up.y, myTr.position.z);
enemyWeaponScript = bulletClone.GetComponent <EnemyWeaponScript>() as EnemyWeaponScript;
enemyWeaponScript.direction = new Vector2(myTr.right.x, myTr.up.y);
audio.clip = bulletSound;
audio.Play();
yield return(null);
myAnimator.SetBool("Firing_Bool", false);
yield return(new WaitForSeconds(1.3f));
firing = false;
myRb.isKinematic = false;
}
public override void Attack(EnemyScript ship, GameObject target)
{
float timeTakenToTravel = Vector3.Distance(target.transform.position, ship.shipTransform.position) / ship.GetComponent <EnemyWeaponScript>().GetBulletSpeed();
Vector3 predictedTargetPos = target.transform.position + (target.rigidbody.velocity * timeTakenToTravel);
ship.RotateTowards(predictedTargetPos);
EnemyWeaponScript weaponScript = ship.GetComponent <EnemyWeaponScript>();
float weaponRange = ship.GetMinimumWeaponRange();
float shipDimension = 0;
Ship targetShip = target.GetComponent <Ship>();
if (targetShip != null)
{
shipDimension = targetShip.GetCalculatedSizeByPosition(targetShip.shipTransform.position);
}
float totalRange = weaponRange <= shipDimension ? weaponRange + shipDimension : weaponRange;
Vector3 direction = Vector3.Normalize(target.rigidbody.position - ship.shipTransform.position);
Ray ray = new Ray(ship.shipTransform.position, direction);
//Debug.DrawLine(ship.shipTransform.position, ship.shipTransform.position + direction * weaponRange);
RaycastHit hit;
if (weaponScript != null && target.collider.Raycast(ray, out hit, totalRange))
{
ship.rigidbody.AddForce(-ship.shipTransform.right * ship.GetCurrentMomentum() * Time.deltaTime);
weaponScript.MobRequestsFire();
}
}
// Update is called once per frame
void FixedUpdate()
{
bool shoot = true; //automatic
if (shoot)
{
EnemyWeaponScript weapon = GetComponent <EnemyWeaponScript>();
if (weapon != null)
{
weapon.Attack(false);
}
}
movePlayerVector = 1;
//Flipping the sprite
if (enemyRigidBody2D.position.x <= -13 && !facingRight)
{
Flip();
// enemyRigidBody2D.position = new Vector2(-12,0);
movePlayerVector = 1;
}
else if (enemyRigidBody2D.position.x >= 13 && facingRight)
{
Flip();
movePlayerVector = -1;
}
enemyRigidBody2D.velocity = new Vector2(movePlayerVector * speed, enemyRigidBody2D.velocity.y);
}
//[SerializeField]
//bool clockwise;
public override void Attack(EnemyScript ship, GameObject target)
{
float weaponRange = ship.GetMinimumWeaponRange();
float shipDimension = 0;
Ship targetShip = target.GetComponent <Ship>();
if (targetShip != null)
{
shipDimension = targetShip.GetCalculatedSizeByPosition(targetShip.shipTransform.position);
}
Vector2 positionBehindTarget = (-target.transform.up * ((weaponRange / 2) + shipDimension)) + target.transform.position;
float sqrDirectionToBehindTarget = Vector2.SqrMagnitude(positionBehindTarget - (Vector2)ship.shipTransform.position);
float sqrDirectionToTarget = Vector2.SqrMagnitude(target.transform.position - ship.shipTransform.position);
if (sqrDirectionToBehindTarget > sqrDirectionToTarget)
{
Vector2 moveTowardsBack = GetPositionForAvoidance(ship, target, positionBehindTarget, weaponRange, 0);
ship.RotateTowards(moveTowardsBack);
ship.rigidbody.AddForce(ship.shipTransform.up * ship.GetCurrentMomentum() * Time.deltaTime);
}
else
{
ship.RotateTowards(target.transform.position);
if (sqrDirectionToBehindTarget > 9) //9 is sqr(3)
{
Vector2 directionToPositionBehind = (positionBehindTarget - (Vector2)ship.shipTransform.position).normalized;
ship.rigidbody.AddForce(directionToPositionBehind * ship.GetCurrentMomentum() * Time.deltaTime);
}
else
{
ship.rigidbody.AddForce(new Vector2(Random.Range(-1, 1), Random.Range(-1, 1)) * ship.GetCurrentMomentum() * Time.deltaTime);
}
EnemyWeaponScript weaponScript = ship.GetComponent <EnemyWeaponScript>();
weaponScript.MobRequestsFire();
}
}
public void LaunchProjectile()
{
//REGULAR METHOD : INSTANTIATE bullet (unoptimised)
//bulletClone = Instantiate(bullet, bulletPos, Quaternion.identity);
// Pooling Method : grab a bullet from "ObjectPooler"'s gameObjects list
// Prepare the bullet position
bulletPos = myTr.TransformPoint(-0.1f, 0.0f, 0.0f);
// Prepare the bullet direction
bulletDir = new Vector3(-1.0f, 0.0f, 0.0f);
bulletClone = weaponPool.Spawn(); // Spawn from pool
bulletClone.transform.position = bulletPos;
enemyWeaponScript = bulletClone.GetComponent <EnemyWeaponScript>() as EnemyWeaponScript;
enemyWeaponScript.direction = (Vector2)bulletDir;
// Prepare the bullet position
bulletPos = myTr.TransformPoint(-0.1f, 0.0f, 0.0f);
// Prepare the bullet direction
bulletDir = new Vector3(-1.0f, 0.3f, 0.0f);
bulletClone = weaponPool.Spawn();
bulletClone.transform.position = bulletPos;
enemyWeaponScript = bulletClone.GetComponent <EnemyWeaponScript>() as EnemyWeaponScript;
enemyWeaponScript.direction = (Vector2)bulletDir;
// Prepare the bullet position
bulletPos = myTr.TransformPoint(-0.1f, 0.0f, 0.0f);
// Prepare the bullet direction
bulletDir = new Vector3(-1.0f, -0.3f, 0.0f);
bulletClone = weaponPool.Spawn();
bulletClone.transform.position = bulletPos;
enemyWeaponScript = bulletClone.GetComponent <EnemyWeaponScript>() as EnemyWeaponScript;
enemyWeaponScript.direction = (Vector2)bulletDir;
audio.clip = bulletSound;
audio.Play();
}
public IEnumerator LaunchProjectile()
{
firing = true; // Let the script be aware that enemy is already firing
if (shootDelayTimer > shootDelayMax) //shoot
{
if (mySpriteRdr.sprite == spriteVertical)
{
// Align the bullet direction to the object UP direction
bulletDir = myTr.up;
// Prepare the bullet position
bulletPos = myTr.TransformPoint(0.0f, 0.2f, 0.0f);
//Debug.Log("Enemy 4 (turret) - myTr.up : " + myTr.up, gameObject);
//REGULAR METHOD : INSTANTIATE bullet (unoptimised)
//bulletClone = Instantiate(bullet, bulletPos, Quaternion.identity);
// Pooling Method : grab a bullet from "ObjectPooler"'s gameObjects list
bulletClone = weaponPool.Spawn();
bulletClone.transform.position = bulletPos;
enemyWeaponScript = bulletClone.GetComponent <EnemyWeaponScript>() as EnemyWeaponScript;
enemyWeaponScript.direction = (Vector2)bulletDir;
mySpriteRdr.sprite = spriteVerticalFire;
}
else if (mySpriteRdr.sprite == spriteHorizontal)
{
// Align the bullet direction to the object right direction - taking into account the sprite horizontal direction.
bulletDir = myTr.right * -mySpriteTr.localScale.x;
// Prepare the bullet position
bulletPos = myTr.TransformPoint(-0.1f * mySpriteTr.localScale.x, 0.11f, 0.0f);
//REGULAR METHOD : INSTANTIATE bullet (unoptimised)
//bulletClone = Instantiate(bullet, bulletPos, Quaternion.identity);
// Pooling Method : grab a bullet from "ObjectPooler"'s gameObjects list
bulletClone = weaponPool.Spawn();
bulletClone.transform.position = bulletPos;
enemyWeaponScript = bulletClone.GetComponent <EnemyWeaponScript>() as EnemyWeaponScript;
enemyWeaponScript.direction = (Vector2)bulletDir;
mySpriteRdr.sprite = spriteHorizontalFire;
}
else if (mySpriteRdr.sprite == spriteDiagonal)
{
bulletDir = myTr.right * -mySpriteTr.localScale.x + myTr.up;
bulletPos = myTr.TransformPoint(-0.07f * mySpriteTr.localScale.x, 0.17f, 0.0f);
//REGULAR METHOD : INSTANTIATE bullet (unoptimised)
//bulletClone = Instantiate(bullet, bulletPos, Quaternion.identity);
// Pooling Method : grab a bullet from "ObjectPooler"'s gameObjects list
bulletClone = weaponPool.Spawn();
bulletClone.transform.position = bulletPos;
enemyWeaponScript = bulletClone.GetComponent <EnemyWeaponScript>() as EnemyWeaponScript;
enemyWeaponScript.direction = (Vector2)bulletDir;
mySpriteRdr.sprite = spriteDiagonalFire;
}
audio.clip = bulletSound;
audio.Play();
yield return(new WaitForSeconds(0.1f));
shootDelayTimer = 0.0f; // Reset the shoot delay count
firing = false; // Enemy has finished firing
}
}
