private IEnumerator DoAttack()
{
isAttacking = true;
// for dual stick input
Vector2 direction = new Vector2(Input.GetAxis("Aim_Horizontal"), Input.GetAxis("Aim_Vertical"));
Debug.DrawRay(transform.position, direction, Color.red, 1);
GameObject obj = pooler.RetrieveFromPool(Constants.PoolTags.Fireball, transform.position, Vector3Int.zero, transform);
obj.GetComponent <Fireball>().damage = attackPower;
Rigidbody2D rb = obj.GetComponent <Rigidbody2D>();
// rb.AddForce(
// (direction * projectileSpeed)
// );
rb.velocity = (direction * projectileSpeed);
pooler.ReturnToPool(Constants.PoolTags.Fireball, obj, 3f);
yield return(new WaitForSeconds(1 / attackSpeed));
isAttacking = false;
}
IEnumerator SpawnEnemies(Vector2 spawnCenter)
{
isSpawning = true;
levelNum++;
// increase spawn amount linearly
int spawnAmount = this.spawnAmount + levelNum % 2;
levelObj.text = levelTextPrefix + (levelNum + 1);
Vector2[] spawnPostions = new Vector2[spawnAmount];
for (int i = 0; i < spawnAmount; i++)
{
DoSpawnAnimation(i);
}
yield return(new WaitForSeconds(spawnAnimDuration));
for (int i = 0; i < spawnAmount; i++)
{
SpawnEnemy(i);
}
// mark the end of spawn
yield return(null);
// Debug.Log("Enemies Alive - " + enemiesAlive);
isSpawning = false;
void DoSpawnAnimation(int index)
{
var spawnpos = spawnPostions[index] = spawnCenter + UnityEngine.Random.insideUnitCircle * spawnRadius;
var obj = pooler.RetrieveFromPool(Constants.PoolTags.SpawnAnim, spawnpos, Vector3Int.zero, transform);
pooler.ReturnToPool(Constants.PoolTags.SpawnAnim, obj, spawnAnimDuration);
}
void SpawnEnemy(int index)
{
// find spawn position
var spawnpos = spawnPostions[index];
var enemyTag = GetEnemyTag();
var enemyObj = pooler.RetrieveFromPool(enemyTag, spawnpos, Vector3Int.zero);
// set target as player
enemyObj.GetComponent <Enemy>().target = playerTransform;
// set world camera
enemyObj.GetComponentInChildren <Canvas>().worldCamera = cameraMain;
// increase enemy count as we spawned one
enemiesAlive++;
textObj.text = enemiesAlive.ToString();
characterObjs.Add(enemyObj);
// on death decrease enemy count
enemyObj.GetComponent <Heart>().deathEvent += () =>
{
enemiesAlive--;
textObj.text = enemiesAlive.ToString();
characterObjs.Remove(enemyObj);
Debug.Log("Enemies Alive - " + enemiesAlive);
// if enemiesAlive goes to zero
// then spawn item rewards
};
// set enemy movement speed
enemyObj.GetComponent <CharacterMotor>().movementSpeed = baseSpeed + levelNum * speedIncrement;
}
}
