public static void FireBeamWeapon(Entity launchingEntity, Entity targetEntity, double beamVelocity, double beamLenInSeconds)
{
var ourState = Entity.GetRalitiveState(launchingEntity);
var tgtState = Entity.GetRalitiveState(targetEntity);
Vector3 leadToTgt = (tgtState.Velocity - ourState.Velocity);
Vector3 vectorToTgt = (tgtState.pos = ourState.pos);
var distanceToTgt = vectorToTgt.Length();
var timeToTarget = distanceToTgt / beamVelocity;
var futureDate = launchingEntity.StarSysDateTime + TimeSpan.FromSeconds(timeToTarget);
var futurePosition = Entity.GetAbsoluteFuturePosition(targetEntity, futureDate);
var ourAbsPos = Entity.GetAbsoluteFuturePosition(launchingEntity, futureDate);
var normVector = Vector3.Normalise(futurePosition - ourAbsPos);
var absVector = normVector * beamVelocity;
var startPos = (PositionDB)launchingEntity.GetDataBlob <PositionDB>().Clone();
var beamInfo = new BeamInfoDB(launchingEntity.Guid);
var beamlenInMeters = beamLenInSeconds * 299792458;
beamInfo.Positions = new Vector3[2];
beamInfo.Positions[0] = startPos.AbsolutePosition_m;
beamInfo.Positions[1] = startPos.AbsolutePosition_m - normVector * beamlenInMeters;
beamInfo.VelocityVector = absVector;
List <BaseDataBlob> dataBlobs = new List <BaseDataBlob>();
dataBlobs.Add(beamInfo);
//dataBlobs.Add(new ComponentInstancesDB());
dataBlobs.Add(startPos);
//dataBlobs.Add(new NameDB("Beam", launchingEntity.FactionOwner, "Beam" ));
var newbeam = Entity.Create(launchingEntity.Manager, launchingEntity.FactionOwner, dataBlobs);
}
public BeamIcon(Entity entity) : base(entity.GetDataBlob <PositionDB>())
{
_beamInfo = entity.GetDataBlob <BeamInfoDB>();
_entity = entity;
entity.ChangeEvent += Entity_ChangeEvent;
OnPhysicsUpdate();
}
public static void BeamMovePhysics(BeamInfoDB beamInfo, int seconds)
{
for (int i = 0; i < seconds; i++)
{
beamInfo.PosDB.AbsolutePosition_m += beamInfo.VelocityVector;
for (int j = 0; j < beamInfo.Positions.Length; j++)
{
beamInfo.Positions[j] += beamInfo.VelocityVector;
}
}
}