public void Initialize(ShipBase target, Item missileItem)
{
_stage = MissileStage.None;
Target = target;
MaxSpeed = missileItem.GetFloatAttribute("Max Speed");
Damage = new Damage();
Damage.DamageType = (DamageType)Enum.Parse(typeof(DamageType), missileItem.GetStringAttribute("Damage Type"));
Damage.ShieldAmount = missileItem.GetFloatAttribute("Shield Damage");
Damage.HullAmount = missileItem.GetFloatAttribute("Hull Damage");
BlastRadius = missileItem.GetFloatAttribute("Blast Radius");
DetonationRadius = missileItem.GetFloatAttribute("Detonation Radius");
TurnRate = missileItem.GetFloatAttribute("Turn Rate");
Acceleration = missileItem.GetFloatAttribute("Acceleration");
LaunchedStageDuration = missileItem.GetFloatAttribute("Ignition Delay");
_rigidbody = transform.GetComponent <Rigidbody>();
Collider collider = transform.GetComponent <Collider>();
if (collider != null)
{
collider.enabled = false;
}
}
void FixedUpdate()
{
if (_stage == MissileStage.Launched)
{
//if(_age > 0.3f)
if (_age > LaunchedStageDuration)
{
_stage = MissileStage.Chasing;
LoadEngineFlame();
Collider collider = transform.GetComponent <Collider>();
if (collider != null)
{
collider.enabled = true;
}
AudioSource audio = GetComponent <AudioSource>();
if (audio != null)
{
audio.Play();
}
}
}
else if (_stage == MissileStage.Chasing)
{
if (Target == null)
{
_force = Acceleration; //5f;
_rigidbody.AddForce(transform.forward * _force);
}
else
{
Vector3 targetPos = Target.transform.position;
if (Target.CurrentCountermeasure != null)
{
CounterMeasureFlares flares = Target.CurrentCountermeasure.GetComponentInChildren <CounterMeasureFlares>();
if (flares != null && flares.IsEffective)
{
targetPos += flares.MissileDeviation;
}
}
Vector3 aimPoint = StaticUtility.FirstOrderIntercept(transform.position, _rigidbody.velocity,
_rigidbody.velocity.magnitude, targetPos, Target.RB.velocity);
Vector3 los = aimPoint - transform.position;
if (Vector3.Angle(los, transform.forward) < 10)
{
_force = Acceleration; //5f
//here we need to reduce torque so it stops turning
}
else
{
//AddLookTorque(los);
Vector3 lookDir = Vector3.RotateTowards(transform.forward, los, 1f * Time.fixedDeltaTime, 0f);
transform.rotation = Quaternion.LookRotation(lookDir);
_force = Acceleration * 0.6f; //3f;
}
_rigidbody.AddForce(transform.forward * _force);
}
Vector3 driftVelocity = _rigidbody.velocity - Vector3.Dot(_rigidbody.velocity, transform.forward) * transform.forward;
_rigidbody.AddForce(-1 * driftVelocity.normalized * driftVelocity.magnitude * TurnRate);
}
//keep under max speed
if (_rigidbody.velocity.magnitude > MaxSpeed)
{
_rigidbody.AddForce(-1 * _rigidbody.velocity * 1);
}
if (_stage == MissileStage.Launched)
{
_rigidbody.AddForce(-1 * _rigidbody.velocity * 2.5f);
}
_age += Time.fixedDeltaTime;
if (_age > TTL)
{
Explode();
}
}
public void Fire(ShipBase attacker, Vector3 initialVelocity)
{
_stage = MissileStage.Launched;
_initialVelocity = initialVelocity;
_rigidbody.velocity = _initialVelocity;
}
