public void GenerateRandomEnemy()
{
//generate a new spawn position
Vector2 randomOnCircle = Random.insideUnitCircle.normalized;
Vector3 position = new Vector3(randomOnCircle.x, 0, randomOnCircle.y) * (Random.Range(minEnemySpawnRadius, maxEnemySpawnRadius));
//instantiate a new enemy, parent it to the spawn
Enemy newEnemy = Instantiate(standardEnemyPrefab, position, Quaternion.identity).GetComponent <Enemy>();
newEnemy.gameObject.transform.SetParent(transform);
//choose a new random type and path
EnemyType randomType = enemyTypes[Random.Range(0, numEnemyTypes)];
EnemyCurvePath randomPath = enemyCurvePaths[Random.Range(0, numEnemyCurvePaths)];
//set up the enemy with the type and path
newEnemy.SetupEnemy(randomType, randomPath);
//create a new healthBar and associate it with the new enemy
newEnemy.SetupBars(healthBarCanvas);
//name the enemy gameobject using his properties' shorthand designations
newEnemy.gameObject.name = numEnemyToSpawn + " - " + randomType.GetShortHand();
//add the enemy to the list
enemies.Add(newEnemy);
//increment the enemy number
numEnemyToSpawn++;
}
//set up all necessary attributes and apply the effects to yourself
public void SetupEnemy(EnemyType et, EnemyCurvePath ecp)
{
enemyType = et;
enemyCurvePath = ecp;
enemyHealth = GetComponent <EnemyHealth>();
enemyHealth.SetupHealth(enemyType);
enemyShieldCollision = GetComponentInChildren <EnemyShieldCollision>();
foreach (EnemyEffect e in enemyType.enemyEffects)
{
e.Apply(this);
}
canMove = true;
//interestingly, ScriptableObjects can contain the definition for coroutines and
//run them on an external MonoBehaviour, which is what happens here
StartCoroutine(enemyCurvePath.MoveTowardsTarget(this));
}
//works very similarly to spawning a normal enemy with the exception that it
//can spawn multiple bosses with a single method call
IEnumerator GenerateBossWave()
{
bossWave++;
bossesSpawning = true;
bossesAlive = true;
int bossesToSpawn = (bossWave + 1) / 2;
for (int i = 0; i < bossesToSpawn; i++)
{
Vector2 randomOnCircle = Random.insideUnitCircle.normalized;
Vector3 position = new Vector3(randomOnCircle.x, 0, randomOnCircle.y) * (Random.Range(maxEnemySpawnRadius - 1f, maxEnemySpawnRadius));
Enemy newBoss = Instantiate(standardEnemyPrefab, position, Quaternion.identity).GetComponent <Enemy>();
newBoss.gameObject.transform.SetParent(transform);
EnemyType randomBossType = bossTypes[Random.Range(0, numBossTypes)];
EnemyCurvePath randomPath = enemyCurvePaths[Random.Range(0, numEnemyCurvePaths)];
newBoss.SetupEnemy(randomBossType, randomPath);
HealthBar bossBar = newBoss.SetupBars(healthBarCanvas);
Color bossBarColor = Color.magenta;
bossBarColor.a = 0.8f;
bossBar.ChangeBarColorTo(bossBarColor);
bossBarColor.a = 0.95f;
bossBar.ChangeBarEndColorTo(bossBarColor);
newBoss.gameObject.name = "B" + numEnemyToSpawn + " - " + randomBossType.GetShortHand();
bosses.Add(newBoss);
numEnemyToSpawn++;
yield return(new WaitForSeconds(1.0f));
}
numEnemyMax += (bossWave % maxEnemyIncreaseRate == 0) ? 1 : 0;
bossesSpawning = false;
}
