public override void Use(CharacterAttackController attackController, Vector2 target)
{
Team firingTeam = attackController.GetComponent <TeamAssigner>().team;
Vector2 firePoint = attackController.attackBasePoint.transform.position;
Vector2 delta = target - firePoint;
Vector2 fireDirection = delta.normalized;
bool isRight = delta.x > 0;
if (autoTarget)
{
float sqrtTerm = Mathf.Pow(launchSpeed, 4) - gravity * (gravity * Mathf.Pow(delta.x, 2) + 2 * delta.y * Mathf.Pow(launchSpeed, 2));
if (sqrtTerm >= 0)
{
float sol1 = Mathf.Atan((Mathf.Pow(launchSpeed, 2) + Mathf.Sqrt(sqrtTerm)) / (Mathf.Abs(delta.x * gravity)));
float sol2 = Mathf.Atan((Mathf.Pow(launchSpeed, 2) - Mathf.Sqrt(sqrtTerm)) / (Mathf.Abs(delta.x * gravity)));
Vector2 fireDirection1 = new Vector2(Mathf.Cos(sol1) * (isRight ? 1.0f : -1.0f), Mathf.Sin(sol1));
Vector2 fireDirection2 = new Vector2(Mathf.Cos(sol2) * (isRight ? 1.0f : -1.0f), Mathf.Sin(sol2));
bool canHit1 = true;
bool canHit2 = true;
// Check if we can hit the target without a collision:
if (Vector2.Angle(attackController.transform.up, fireDirection1) * Mathf.Deg2Rad > upAngleBounds)
{
canHit1 = false;
}
else
{
foreach (RaycastHit2D hit in PhysicsUtility.GravityRaycast(firePoint, fireDirection1 * launchSpeed, target, gravity, autoTargetDeltaTime, hitRadius))
{
if (hit.collider.GetComponent <AutoProjectileBlocker>() != null)
{
canHit1 = false;
break;
}
}
}
if (Vector2.Angle(attackController.transform.up, fireDirection2) * Mathf.Deg2Rad > upAngleBounds)
{
canHit2 = false;
}
else
{
foreach (RaycastHit2D hit in PhysicsUtility.GravityRaycast(firePoint, fireDirection2 * launchSpeed, target, gravity, autoTargetDeltaTime, hitRadius))
{
if (hit.collider.GetComponent <AutoProjectileBlocker>() != null)
{
canHit2 = false;
break;
}
}
}
float?bestAngle = null;
if (canHit1 && canHit2)
{
float time1 = (launchSpeed * Mathf.Sin(sol1) + Mathf.Sqrt(Mathf.Pow(launchSpeed * Mathf.Sin(sol1), 2) + Mathf.Abs(2 * gravity * delta.y))) / gravity;
float time2 = (launchSpeed * Mathf.Sin(sol2) + Mathf.Sqrt(Mathf.Pow(launchSpeed * Mathf.Sin(sol2), 2) + Mathf.Abs(2 * gravity * delta.y))) / gravity;
bestAngle = (time1 > time2) ? sol2 : sol1;
}
else
{
if (canHit1)
{
bestAngle = sol1;
}
else if (canHit2)
{
bestAngle = sol2;
}
}
if (bestAngle.HasValue)
{
fireDirection = new Vector2(Mathf.Cos(bestAngle.Value) * (isRight ? 1.0f : -1.0f), Mathf.Sin(bestAngle.Value));
}
}
}
if (Vector2.Angle(attackController.transform.up, fireDirection) * Mathf.Deg2Rad <= upAngleBounds)
{
ProjectileController newProjectile = Instantiate(projectileToFirePrefab.gameObject).GetComponent <ProjectileController>();
newProjectile.Fire(firePoint, fireDirection, firingTeam, this);
}
}
