public Race(IRaceRules raceRules, Arena arena, List <Team> teams, int startingTeamIndex = 0)
{
RaceRules = raceRules;
Arena = arena;
Teams = teams;
PodRacers = Teams.SelectMany(t => t.PodRacers).ToList();
Units = PodRacers.Select(p => (Unit)p).Concat(Arena.CheckPoints).ToList();
InitRaceState();
InitPodRacer(startingTeamIndex);
}
private void InitPodRacer(int startingTeamIndex)
{
CheckPoint startFinishCheckPoint = Arena.GetStartFinish();
CheckPoint firstTargetCheckPoint = Arena.GetNextCheckPoint(startFinishCheckPoint);
double maxPodSize = PodRacers.Max(p => p.Size);
double startingPositionOffset = 0;
if (PodRacers.Count > 1)
{
double angleDelta = 2.0 * Math.PI / PodRacers.Count;
double alpha = Math.Sqrt(1.0 / (2.0 * (1 - Math.Cos(angleDelta))));
startingPositionOffset = 2 * alpha * maxPodSize;
startingPositionOffset += RaceRules.INITIAL_POSITION_OFFSET;
}
Vector startingPositionOffsetVector = new Vector(0, startingPositionOffset);
double rotatingAngle = 360.0 / PodRacers.Count;
int teamMaxPodCount = Teams.Max(t => t.PodRacers.Count);
for (int podIndex = 0; podIndex < teamMaxPodCount; podIndex++)
{
int teamIndex = startingTeamIndex;
for (int index = 0; index < Teams.Count; index++)
{
if (podIndex < Teams[teamIndex].PodRacers.Count)
{
Teams[teamIndex].PodRacers[podIndex].Velocity = new Vector(0, 0);
Teams[teamIndex].PodRacers[podIndex].Position = startFinishCheckPoint.Position + startingPositionOffsetVector;
Teams[teamIndex].PodRacers[podIndex].Heading = (firstTargetCheckPoint.Position - Teams[teamIndex].PodRacers[podIndex].Position).GetAngle();
Teams[teamIndex].PodRacers[podIndex].ConvertStateToInt();
startingPositionOffsetVector = startingPositionOffsetVector.Rotate(rotatingAngle);
}
teamIndex = (teamIndex + 1) % Teams.Count;
}
}
}