public static Fix16 seekerTimeToTarget(CombatObject attacker, CombatObject target, SeekingWeaponInfo skrinfo)
{
//Fix16 distance_toTarget = Trig.distance(attacker.cmbt_loc, target.cmbt_loc);
PointXd px = new PointXd(attacker.cmbt_loc - target.cmbt_loc);
Fix16 distance_toTarget = px.Length;
//SeekingWeaponInfo seekerinfo = (SeekingWeaponInfo)weapon.Template.ComponentTemplate.WeaponInfo;
int hitpoints = skrinfo.SeekerDurability;
Fix16 mass = hitpoints * 0.1;
int wpnskrspd = skrinfo.SeekerSpeed;
Fix16 Thrust = calcFowardThrust(skrinfo);
Fix16 acceleration = Thrust / mass * -1; //*-1 because we should be accelerating towards the target, not away.
Fix16 startV = seekerClosingSpeed_base(attacker, target);
//Fix16 endV = ???
Fix16 baseTimetoTarget = distance_toTarget / startV;
//Fix16 deltaV = baseTimetoTarget
//Fix16[] ttt = NMath.quadratic(acceleration, startV, distance_toTarget);
Fix64[] ttt2 = NMath.quadratic64(acceleration, startV, distance_toTarget);
Fix16 TimetoTarget;
if (ttt2[2] == 1)
{
TimetoTarget = Fix16.Max((Fix16)ttt2[0], (Fix16)ttt2[1]);
}
else
{
TimetoTarget = (Fix16)ttt2[0];
}
#if DEBUG
Console.WriteLine("SeekerTimeToTarget = " + TimetoTarget);
#endif
return(TimetoTarget);
}
protected override Tuple <Compass, bool?> Nav(Compass angletoWaypoint)
{
Compass angletoturn = new Compass();
bool? thrustTowards = true;
CombatWaypoint wpt = this.waypointTarget;
angletoturn = new Compass(angletoWaypoint.Degrees - this.cmbt_head.Degrees, false);
PointXd vectortowaypoint = this.cmbt_loc - this.waypointTarget.cmbt_loc;
//this stuff doesn't actualy do anything yet:
Fix16 acceleration = maxfowardThrust / cmbt_mass;
Fix16 startSpeed = NMath.distance(cmbt_vel, wpt.cmbt_vel);
Fix16 distance = vectortowaypoint.Length;
Fix16 closingSpeed = NMath.closingRate(this.cmbt_loc, this.cmbt_vel, this.waypointTarget.cmbt_loc, this.waypointTarget.cmbt_vel);
Fix16 timetowpt = distance / closingSpeed;
Fix64[] ttt2 = NMath.quadratic64(acceleration, startSpeed, distance);
Fix16 TimetoTarget;
if (ttt2[2] == 1)
{
TimetoTarget = Fix16.Max((Fix16)ttt2[0], (Fix16)ttt2[1]);
}
else
{
TimetoTarget = (Fix16)ttt2[0];
}
Fix16 endV = startSpeed + acceleration * TimetoTarget;
//above doesn't actualy do anything yet.
#if DEBUG
Console.WriteLine("seeker ttt: " + TimetoTarget);
Console.WriteLine("timetowpt: " + timetowpt);
Console.WriteLine("seeker distance: " + distance);
Console.WriteLine("seeker startV: " + startSpeed);
Console.WriteLine("seeker endV: " + endV);
#endif
return(new Tuple <Compass, bool?>(angletoturn, thrustTowards));
}