public void SentinelTriggered(SentinelBullet sentinel, Enemy enemy)
{
int index = sentinel.Index;
int sentinelDamage = sentinel.Damage;
var triggered = GetNextTriggeredSentinel(index).GetEnumerator();
// enemy.CurrentHealth is the health after hitting the first Sentinel.
int theoreticalHealth = enemy.CurrentHealth; // - sentinel.Damage;
Vector2 enemyPosition = enemy.transform.position;
Vector2 enemyVelocity = enemy.Velocity;
while (theoreticalHealth > 0 && triggered.MoveNext())
{
SentinelBullet next = triggered.Current;
SentinelProjectileBullet projectile = SentinelProjectileBullet.GetProjectile(next);
Vector2 projPos = projectile.transform.position;
projectile.Velocity = MathUtil.VelocityVector(projPos, enemyPosition, projectile.Speed)
+ enemyVelocity;
projectile.OnSpawn();
theoreticalHealth -= sentinelDamage;
next.DeactivateSelf();
}
}
private void FireSentinelForward(PlayerBullet bullet)
{
SentinelBullet sentinel = (SentinelBullet)bullet;
SentinelProjectileBullet projectile = SentinelProjectileBullet.GetProjectile(sentinel);
projectile.Velocity = new Vector2(0, projectile.Speed);
projectile.OnSpawn();
// Reset Sentinel entrance animation to finish the illusion that
// the Sentinel was fired and immediately respawned.
sentinel.ActivateSelf();
sentinel.OnSpawn();
}
public Vector2 CalculateRepresentedVelocity(SentinelBullet sentinel)
{
int index = sentinel.Index;
float angleOffset = index * MathUtil.Pi2f / NumSentinel;
// Apply 90 degree offset to calculate correct velocity
const float HardOffset = MathUtil.PiHalf;
float angle = Rotation + angleOffset + HardOffset;
const float Magnitude = 11f;
Vector2 velocity = MathUtil.VectorAtRadianAngle(angle, Magnitude);
return(velocity);
}
protected sealed override void OnInit()
{
Instance = this;
SentinelPool = PoolManager.Instance.BulletPool.GetPool <SentinelBullet>();
SentinelProjectilePool = PoolManager.Instance.BulletPool.GetPool <SentinelProjectileBullet>();
var sentinels = SentinelPool.GetMany <SentinelBullet>(NumSentinel);
for (int i = 0; i < sentinels.Length; i++)
{
SentinelBullet sentinel = sentinels[i];
sentinel.Index = i;
sentinel.DeactivateSelf();
}
}
