public void findEnemy(List<Enemy> enemies)
{
targetEnemy = null;
foreach (Enemy enemy in enemies)
{
//if the tower and enemy are within fire radius, then set enemy as the target
if (Vector2.Distance(getCenter, enemy.getCenter) <= fireRadius)
{
targetEnemy = enemy;
}
}
}
public override void Update(GameTime gameTime)
{
base.Update(gameTime);
projectileTimer += (float)gameTime.ElapsedGameTime.TotalSeconds;
if (targetEnemy != null)
{
//turn towards enemy if within distance
lookAtEnemy();
//if not within distance, target is null, stop turning
if (!withinRadius(targetEnemy.getCenter) || targetEnemy.enemyDead)
{
targetEnemy = null;
projectileTimer = 0;
}
}
}
//add an enemy to the list
private void AddEnemy()
{
enemy = new Enemy(spriteAnimation, enemyPathing.Pathing.Peek(), enemyHealth, enemyMoney, Enemy.getEnemySpeed);
enemy.CopyPathing(enemyPathing.Pathing);
enemies.Add(enemy);
spawnTimer = 0;
enemyCount++;
}