IEnumerator launchProjectiles()
{
//wait for 2 reasons: 1) enemy's position is set relatively late (might provide wrong source loc for projectile)
//2) more fair to start launch projectile after enemy visually shows up in screen
yield return(new WaitUntil(() => Global.gameObjectInView(transform)));
while (true)
{
if (genProjectile && projectileSprite && Global.percentChance((int)(shootChanceIndividual * 100)))
{
GameObject p = Instantiate(myProjectilePrefab, this.transform.localPosition, myProjectilePrefab.transform.rotation);
p.transform.parent = null;
p.SetActive(true);
p.GetComponent <SpriteRenderer>().sprite = projectileSprite;
Destroy(p.GetComponent <CircleCollider2D>());
CircleCollider2D circ = p.AddComponent <CircleCollider2D>(); //TODO check here; supposedly auto generates appropriately sized collider
circ.isTrigger = true;
p.transform.localScale = transform.lossyScale;
projectile proj = p.GetComponent <projectile>();
proj.damage = projectileAttack;
proj.setSpeed(projectileSpeed);
proj.setAcceleration(projectileAccl);
Vector3 direction = Vector3.down; float angle = 0; bool rotateProjectile = false;
switch (projectileType)
{
case 0:
break;
case 1:
direction = gameControl.player.transform.position - transform.position;
float tan = direction.x / direction.y;
angle = Mathf.Atan(tan);
if (direction.y > 0)
{
Destroy(proj); //if player is above, this type of projectile will not be launched
}
rotateProjectile = true;
break;
}
if (proj)
{
proj.setDirection(direction, angle, rotateProjectile);
}
}
//effectively, noise = 0.2 will make shoot time range from 0.8x to 1.2x
yield return(new WaitForSeconds(shootInterval + Random.Range(-shootNoise, shootNoise) * shootInterval));
}
}
