public static List <PointF> LinearMovement(PointF currentLocation, PointF targetLocation)
{
var result = new List <PointF>();
var distance = SpaceMapTools.GetDistance(currentLocation, targetLocation);
for (var i = 0; i < distance; i++)
{
var x = (float)(currentLocation.X * (1 - (i / distance)) + targetLocation.X * (i / distance));
var y = (float)(currentLocation.Y * (1 - (i / distance)) + targetLocation.Y * (i / distance));
result.Add(new PointF(x, y));
}
return(result);
}
private Hashtable EnqueueMovementHistory(ICelestialObject mapCelestialObject, Hashtable allObjectsHistory)
{
var previousIteration = new SpaceMapObjectLocation
{
Distance = SpaceMapTools.GetDistance(mapCelestialObject.GetLocation(), mapCelestialObject.GetLocation()),
Direction = mapCelestialObject.Direction,
Status = MovementType.Linear,
Coordinates = mapCelestialObject.GetLocation()
};
if (allObjectsHistory.ContainsKey(mapCelestialObject.Id) == false)
{
// New celestial object in history collection
var initialIteration = new SpaceMapObjectLocation
{
Distance = SpaceMapTools.GetDistance(mapCelestialObject.GetLocation(), mapCelestialObject.GetLocation()),
Direction = mapCelestialObject.Direction,
Status = MovementType.Linear,
Coordinates = Coordinates.MoveObject(mapCelestialObject.GetLocation(), 2000,
(mapCelestialObject.Direction - 180).To360Degrees())
};
var initialHistory = new FixedSizedQueue <SpaceMapObjectLocation>(_historyBufferSize);
initialHistory.Enqueue(initialIteration);
initialHistory.Enqueue(previousIteration);
allObjectsHistory.Add(mapCelestialObject.Id, initialHistory);
return(allObjectsHistory);
}
// Add new history point to exist celestial object movement history
if (!(allObjectsHistory[mapCelestialObject.Id] is FixedSizedQueue <SpaceMapObjectLocation> currentObjectMovementHistory))
{
return(allObjectsHistory);
}
currentObjectMovementHistory.Enqueue(previousIteration);
allObjectsHistory[mapCelestialObject.Id] = currentObjectMovementHistory;
return(allObjectsHistory);
}
public CommandExecuteResult Execute(GameSession gameSession, Command command)
{
gameSession.AddHistoryMessage($"started.", GetType().Name, true);
var explosion = gameSession.GetCelestialObject(command.CelestialObjectId).ToExplosion();
var destroyedSpaceships = new List <ICelestialObject>();
foreach (var celestialObject in gameSession.SpaceMap.CelestialObjects)
{
if (celestialObject.IsSpaceship() == false)
{
continue;
}
var spaceShip = celestialObject.ToSpaceship();
var distance = SpaceMapTools.GetDistance(celestialObject.GetLocation(), explosion.GetLocation());
if (distance < explosion.Radius * 2)
{
spaceShip.Damage(explosion.Damage);
gameSession.AddHistoryMessage($"Spaceship {spaceShip.Name} get damage '{explosion.Damage}' from '{explosion.Name}'", GetType().Name);
if (spaceShip.IsDestroyed)
{
destroyedSpaceships.Add(celestialObject);
}
}
foreach (var destroyedSpaceship in destroyedSpaceships)
{
gameSession.RemoveCelestialObject(destroyedSpaceship);
gameSession.AddHistoryMessage($"Spaceship {destroyedSpaceship.Name} was destroyed.", GetType().Name);
}
}
return(new CommandExecuteResult {
Command = command, IsResume = false
});
}
public static List <SpaceMapObjectLocation> Calculate(PointF location, PointF center, double direction, int maxIterations = 500)
{
const int radius = 30;
var result = new List <SpaceMapObjectLocation>();
var orbitInformation = SpaceMapTools.GetRadiusPoint(location, center, radius, direction);
var orbitPoint = orbitInformation.StartLocation;
var movementRotation = orbitInformation.Rotation;
var distance = SpaceMapTools.GetDistance(center, location);
if (distance > radius + 2)
{
var resultApproachMovement = Approach.Calculate(location, orbitPoint, direction, 10);
foreach (var objectLocation in resultApproachMovement.Trajectory)
{
result.Add(objectLocation);
}
}
else
{
var previousIteration = new SpaceMapObjectLocation
{
Distance = SpaceMapTools.GetDistance(center, location),
Direction = direction,
Status = MovementType.Orbit,
Coordinates = new PointF(location.X, location.Y)
};
result.Add(previousIteration);
}
// Here we on orbit of celestial object
for (var iteration = 0; iteration < 500; iteration++)
{
var currentIteration = result[result.Count - 1];
distance = SpaceMapTools.GetDistance(center, currentIteration.Coordinates);
float speedOrbit = 1;
var directionDelta = 0;
switch (movementRotation)
{
case OrbitRotation.Right:
speedOrbit = 0.5f;
directionDelta = +90;
break;
case OrbitRotation.Left:
speedOrbit = -0.5f;
directionDelta = -90;
break;
}
var r = OrbitPrototype.Execute(center.ToVector2(), currentIteration.Coordinates.ToVector2(), speedOrbit, 1);
var attackAzimuth = SpaceMapTools.GetAngleBetweenPoints(center.ToVector2(), r) + directionDelta;
if (attackAzimuth < 0)
{
attackAzimuth = 360 + attackAzimuth;
}
if (attackAzimuth > 360)
{
attackAzimuth = attackAzimuth - 360;
}
result.Add(new SpaceMapObjectLocation
{
Distance = distance,
Direction = attackAzimuth,
Iteration = result.Count,
Coordinates = r.ToPointF()
});
}
return(result);
}
public static List <SpaceMapObjectLocation> CalculateIteration(PointF currentLocation, PointF targetLocation, double direction, double speed, int maxIterations = 2000)
{
const int agility = 5;
var result = new List <SpaceMapObjectLocation>();
// In this case first iteration - start position for calculation.
var previousIteration = new SpaceMapObjectLocation
{
Distance = SpaceMapTools.GetDistance(targetLocation, currentLocation),
Direction = direction,
Status = MovementType.Default,
Coordinates = new PointF(currentLocation.X, currentLocation.Y)
};
var currentStepInTurn = speed;
for (var iteration = 0; iteration < maxIterations; iteration++)
{
var location = SpaceMapTools.Move(previousIteration.Coordinates.ToVector2(), 1, previousIteration.Direction);
var iterationResult = new SpaceMapObjectLocation
{
Direction = previousIteration.Direction,
Iteration = iteration,
Coordinates = location.PointTo,
Distance = SpaceMapTools.GetDistance(targetLocation, location.PointTo)
};
// 0 - 360 degree
var attackAzimuth = SpaceMapTools.GetAngleBetweenPoints(location.PointTo.ToVector2(), targetLocation.ToVector2());
// Turn angle
var attackAngle = (int)SpaceMapTools.GetRotateDirection(iterationResult.Direction, attackAzimuth);
var currentAgility = 0;
if (speed == currentStepInTurn)
{
currentAgility = agility;
}
currentStepInTurn++;
if (currentStepInTurn > speed)
{
currentStepInTurn = 0;
}
switch (attackAngle)
{
case var _ when attackAngle > 0:
// > 0 left turn
iterationResult.Direction -= currentAgility;
iterationResult.Status = MovementType.Turn;
break;
case var _ when attackAngle < 0:
// < 0 right turn
iterationResult.Direction += currentAgility;
iterationResult.Status = MovementType.Turn;
break;
case var _ when attackAngle == 0:
// = 0 forward
iterationResult.Status = MovementType.Linear;
break;
}
if (iterationResult.Distance >= 2)
{
result.Add(iterationResult);
}
else
{
result.Add(iterationResult);
break;
}
result.Add(iterationResult);
previousIteration = iterationResult;
}
//result.Add(new SpaceMapObjectLocation { ScanRange = 0, Direction = direction, Iteration = result.Count, Coordinates = targetLocation });
return(result);
}
public static Result Calculate(PointF currentLocation, PointF targetLocation, double direction, double speed, int maxIterations = 2000)
{
const int agility = 5;
var result = new Result();
// In this case first iteration - start position for calculation.
var previousIteration = new SpaceMapObjectLocation
{
Distance = SpaceMapTools.GetDistance(targetLocation, currentLocation),
Direction = direction,
Status = MovementType.Default,
Coordinates = new PointF(currentLocation.X, currentLocation.Y)
};
var currentStepInTurn = speed;
for (var iteration = 0; iteration < maxIterations; iteration++)
{
var location = SpaceMapTools.Move(previousIteration.Coordinates.ToVector2(), 1, previousIteration.Direction);
var iterationResult = new SpaceMapObjectLocation
{
Direction = previousIteration.Direction,
Iteration = iteration,
Coordinates = location.PointTo,
Distance = SpaceMapTools.GetDistance(targetLocation, location.PointTo)
};
// 0 - 360 degree
var attackAzimuth = SpaceMapTools.GetAngleBetweenPoints(location.PointTo.ToVector2(), targetLocation.ToVector2());
// Turn angle
var attackAngle = SpaceMapTools.GetRotateDirection(iterationResult.Direction, attackAzimuth);
var currentAgility = 0;
if ((int)speed == (int)currentStepInTurn)
{
currentAgility = agility;
if (Math.Abs(attackAngle) < agility)
{
attackAngle = 0;
iterationResult.Direction = attackAzimuth;
}
}
currentStepInTurn++;
if (currentStepInTurn > speed)
{
currentStepInTurn = 0;
}
switch (attackAngle)
{
case var _ when attackAngle > 1:
// > 0 left turn
iterationResult.Direction -= currentAgility;
iterationResult.Status = MovementType.Turn;
break;
case var _ when attackAngle < -1:
// < 0 right turn
iterationResult.Direction += currentAgility;
iterationResult.Status = MovementType.Turn;
break;
case var _ when attackAngle == 0:
// = 0 forward
iterationResult.Status = MovementType.Linear;
break;
case var _ when attackAngle == 1:
// = 0 forward
iterationResult.Status = MovementType.Linear;
break;
}
if (iterationResult.Distance >= 2)
{
result.Trajectory.Add(iterationResult);
}
else
{
result.Trajectory.Add(iterationResult);
break;
}
iterationResult.Direction = iterationResult.Direction.To360Degrees();
result.Trajectory.Add(iterationResult);
previousIteration = iterationResult;
if (iterationResult.Status == MovementType.Linear)
{
var linearIteration = 0;
foreach (var points in LinearMovement(iterationResult.Coordinates, targetLocation))
{
linearIteration++;
result.Trajectory.Add(new SpaceMapObjectLocation
{
Coordinates = points,
Distance = SpaceMapTools.GetDistance(targetLocation, points),
Direction = iterationResult.Direction.To360Degrees(),
Status = MovementType.Linear,
Iteration = iterationResult.Iteration + linearIteration
});
}
break;
}
}
return(result);
}