public bool AttemptFire()
{
bool wasFired = false;
if (Time.time > lastFireTime + specs.FireDelay)
{
var targetPoint = GunMaths.ComputeGunLead(
Target.Position,
Target.Velocity,
turret.position,
Vector3.zero,
specs.MuzzleVelocity);
var rotationToTarget = Quaternion.LookRotation(targetPoint - turret.position);
var laser = Object.Instantiate(laserPrefab, turret.position, rotationToTarget);
laser.Damage = specs.Damage;
laser.Fire(ownShip, specs.MuzzleVelocity);
lastFireTime = Time.time;
audio.transform.position = turret.position;
audio.Play();
wasFired = true;
}
return(wasFired);
}
private void StrafeTarget()
{
if (AttackTarget == null)
{
return;
}
if (strafeState == StrafeState.Strafing)
{
Throttle = .8f;
bool shouldExtend = AttackTarget.DistanceFromAllColliders(ownTarget.Position) < 200f;
if (shouldExtend)
{
extendPosition = ownTarget.Up * 1000f + AttackTarget.Position;
strafeState = StrafeState.Extending;
IsFiring = false;
}
else
{
var attackPoint = AttackTarget.GetLocalToWorldPoint(strafeTargetOffset);
attackPoint = GunMaths.ComputeGunLead(
attackPoint,
AttackTarget.Velocity,
ownTarget.Position,
Vector3.zero,
ownShip.Specs.Weapons.MuzzleVelocity);
TurnTowards(AttackTarget.Transform.TransformPoint(strafeTargetOffset));
// Fire when within parameters.
var angleToAttack = Vector3.Angle(ownTarget.Forward, attackPoint - ownTarget.Position);
var distanceToAttack = Vector3.Distance(attackPoint, ownTarget.Position);
IsFiring = angleToAttack < 5f && distanceToAttack < 500f;
}
}
else
{
Throttle = 1f;
IsFiring = false;
var distanceToExtend = Vector3.Distance(extendPosition, ownTarget.Position);
if (distanceToExtend < 100f)
{
strafeState = StrafeState.Strafing;
strafeTargetOffset = AttackTarget.GetRandomPointOnTarget();
}
else
{
TurnTowards(extendPosition);
}
}
}
private void DogfightTarget()
{
if (AttackTarget == null)
{
return;
}
// Evasive maneuvers!
var distance = Vector3.Distance(AttackTarget.Position, ownTarget.Position);
if (distance < 100f)
{
IsFiring = false;
TurnTowards(AttackTarget.Position + preferredAvoidOffset);
Throttle = 0.4f;
}
else
{
// Get lead on target.
var targetPoint = GunMaths.ComputeGunLead(
AttackTarget.Position,
AttackTarget.Velocity,
ownTarget.Position,
Vector3.zero,
ownShip.Specs.Weapons.MuzzleVelocity);
TurnTowards(targetPoint, Mathf.PerlinNoise(seed, Time.time / 10f) * MaxTurnPower);
var angleToTarget = Vector3.Angle(
ownShip.transform.forward,
AttackTarget.Position - ownTarget.Position);
IsFiring = angleToTarget < 5f && IsFireAllowed && distance < 300f;
if (Vector3.Angle(AttackTarget.Forward, ownTarget.Forward) < 90)
{
// Adjust throttle based on distance so faster ships don't overtake slower ones.
Throttle = Maths.Remap(50f, 250f, .33f, .8f, distance);
}
else
{
Throttle = 0.85f;
}
}
}