protected Vector3D GetDirection_StraightToTarget_VelocityAware2_DebugVisuals(Point3D targetPointWorld, double maxAcceleration)
{
if (_shouldShowDebugVisuals && _pointVisualizer_VelAware2 == null)
{
#region Visualizer
// This method has it's own visualizer
_pointVisualizer_VelAware2 = new PointVisualizer(_viewport, _sharedVisuals, 8);
_pointVisualizer_VelAware2.SetCustomItemProperties(0, true, Colors.HotPink, .03d); // chase point
_pointVisualizer_VelAware2.SetCustomItemProperties(1, false, Colors.Black, 1d); // direction to go
_pointVisualizer_VelAware2.SetCustomItemProperties(2, false, Colors.Red, 1d); // the return vector away
_pointVisualizer_VelAware2.SetCustomItemProperties(3, false, Colors.Green, .05d); // velocity along direction to go (the other visualizer's velocity is scaled the same)
_pointVisualizer_VelAware2.SetCustomItemProperties(4, false, Colors.DarkGoldenrod, .05d); // this is my max acceleration
_pointVisualizer_VelAware2.SetCustomItemProperties(5, false, Colors.Cyan, 1d); // the return vector toward
_pointVisualizer_VelAware2.SetCustomItemProperties(6, false, Colors.DarkOrchid, 1d); // distance to stop
_pointVisualizer_VelAware2.SetCustomItemProperties(7, false, Colors.DarkCyan, 1d); // attempted turn direction
#endregion
}
// clear off intermitent visuals (the ones that don't update every frame will appear to hang if I don't clean them up)
if (_shouldShowDebugVisuals)
{
_pointVisualizer_VelAware2.Update(2, new Point3D(), new Vector3D());
_pointVisualizer_VelAware2.Update(4, new Point3D(), new Vector3D());
_pointVisualizer_VelAware2.Update(5, new Point3D(), new Vector3D());
_pointVisualizer_VelAware2.Update(6, new Point3D(), new Vector3D());
_pointVisualizer_VelAware2.Update(7, new Point3D(), new Vector3D());
}
Point3D positionWorld = _physicsBody.PositionToWorld(_physicsBody.CenterOfMass);
if (_shouldShowDebugVisuals)
{
_pointVisualizer_VelAware2.Update(0, targetPointWorld);
if (Ship.DEBUGSHOWSACCELERATION)
{
_pointVisualizer_VelAware2.Update(4, positionWorld, _physicsBody.DirectionToWorld(new Vector3D(maxAcceleration, 0, 0)));
}
}
// Convert everything to local coords
Point3D position = _physicsBody.CenterOfMass;
Point3D targetPointLocal = _physicsBody.PositionFromWorld(targetPointWorld);
Vector3D directionToGo = targetPointLocal.ToVector() - position.ToVector();
double distanceToGo = directionToGo.Length;
if (_shouldShowDebugVisuals)
{
_pointVisualizer_VelAware2.Update(1, positionWorld, _physicsBody.DirectionToWorld(directionToGo));
}
if (Math3D.IsNearZero(directionToGo))
{
// Just sit here
return new Vector3D(0, 0, 0);
}
Vector3D currentVelocity = this.VelocityWorld;
if (Math1D.IsNearZero(currentVelocity.LengthSquared))
{
#region Currently Stopped
if (Math1D.IsNearZero(directionToGo.LengthSquared))
{
// Already sitting on the target. STAY!!!
return new Vector3D(0, 0, 0);
}
else
{
// I'm currently stopped. Gun it straight toward the target
return directionToGo.ToUnit();
}
#endregion
}
#region Adjust for current velocity
// I think this description is too complex
// I need to a few things:
// Figure out how fast I can be approaching the point, and still be able to stop on it
// if too fast, negate the velocity that is along the direction of the target
//
// If there is left over thrust, remove as much velocity as possible that is not in the direction to the target
//
// If there is left over thrust, use the remainder to speed up (unless I'm already at the max velocity, then just coast)
// Turn this into local coords
currentVelocity = _physicsBody.DirectionFromWorld(currentVelocity);
Vector3D currentVelocityAlongDirectionLine = currentVelocity.GetProjectedVector(directionToGo);
if (_shouldShowDebugVisuals)
{
_pointVisualizer_VelAware2.Update(3, positionWorld, _physicsBody.DirectionToWorld(currentVelocityAlongDirectionLine));
}
double currentSpeed = currentVelocityAlongDirectionLine.Length;
// If going away from the target, then there is no need to slow down
double distanceToStop = -1d;
if (Vector3D.DotProduct(currentVelocityAlongDirectionLine, directionToGo) > 0)
{
// Calculate max velocity
// t = (v1 - v0) / a
// v1 will need to be zero, v0 is the current velocity, a is negative. so I can just take initial velocity / acceleration
double timeToStop = currentSpeed / maxAcceleration;
// Now that I know how long it will take to stop, figure out how far I'll go in that time under constant acceleration
// d = vt + 1/2 at^2
// I'll let the vt be zero and acceleration be positive to make things cleaner
distanceToStop = .5 * maxAcceleration * timeToStop * timeToStop;
if (_shouldShowDebugVisuals)
{
Vector3D vectToStop = directionToGo;
vectToStop.Normalize();
vectToStop *= distanceToStop;
_pointVisualizer_VelAware2.Update(6, positionWorld, _physicsBody.DirectionToWorld(vectToStop));
}
}
bool suppress5 = false;
if (distanceToStop > distanceToGo)
{
#region Brakes directly away from the target
//TODO: Take in the magnitude to use
//directionToGo *= -3d; // I'll give this a higher than normal priority (I still want to keep the highest priority with obstacle avoidance)
//directionToGo *= -.25d;
// If the difference between stop distance and distance to go is very small, then don't use full thrust. It causes the bot to jitter back and forth
double brakesPercent = GetEdgePercentAcceleration(distanceToStop - distanceToGo, maxAcceleration);
// Reverse the thrust
directionToGo.Normalize();
directionToGo *= -1d * brakesPercent;
if (_shouldShowDebugVisuals)
{
suppress5 = true;
_pointVisualizer_VelAware2.Update(2, positionWorld, _physicsBody.DirectionToWorld(directionToGo));
}
#endregion
}
else
{
#region Accelrate toward target (negating tangent speed)
// Figure out how fast I could safely be going toward the target
// If I accelerate full force, will I exceed that? (who cares, speed up, and let the next frame handle that)
Vector3D axis;
double radians;
Math3D.GetRotation(out axis, out radians, directionToGo, currentVelocity);
// This is how much to rotate direction to align with current velocity, I want to go against the current velocity (if aligned,
// the angle will be zero, so negating won't make a difference)
radians *= -1;
//if (Math3D.IsNearZero(radians) || Math3D.IsNearValue(radians, PI_DIV_TWO) || Math3D.IsNearValue(radians, Math.PI))
//{
// // No modification needed (I don't think this if statement is really needed)
//}
if (Math1D.IsNearValue(radians, Math.PI))
{
// Flying directly away from the target. Turn around
directionToGo = currentVelocity * -1d;
}
//else if (Math.Abs(radians) < PI_DIV_TWO)
//else if (Math.Abs(radians) < PI_DIV_FOUR) // between 45 and 90 gets too extreme
else if (Math.Abs(radians) < RADIANS_60DEG)
{
// Change the direction by the angle
directionToGo = directionToGo.GetRotatedVector(axis, Math1D.RadiansToDegrees(radians));
}
else
{
if (_shouldShowDebugVisuals)
{
Vector3D vectTryTurn = directionToGo.GetRotatedVector(axis, Math1D.RadiansToDegrees(radians));
vectTryTurn.Normalize();
_pointVisualizer_VelAware2.Update(7, positionWorld, _physicsBody.DirectionToWorld(vectTryTurn));
}
//double actualRadians = PI_DIV_FOUR;
double actualRadians = RADIANS_60DEG;
if (radians < 0)
{
actualRadians *= -1d;
}
directionToGo = directionToGo.GetRotatedVector(axis, Math1D.RadiansToDegrees(actualRadians));
}
//else if (Math.Abs(radians) >= PI_DIV_TWO)
//{
// // I used to stop in this case. It is most efficient, but looks really odd (I want the swarmbot to flow more instead of stalling out,
// // and then charging off). So I'll try rotating by 90 degrees
// if (_shouldShowDebugVisuals)
// {
// Vector3D vectTryTurn = directionToGo.GetRotatedVector(axis, Math3D.RadiansToDegrees(radians));
// vectTryTurn.Normalize();
// _pointVisualizer_VelAware2.Update(7, positionWorld, _physicsBody.DirectionToWorld(vectTryTurn));
// }
// directionToGo = currentVelocity * -1d;
//}
//else if (Math.Abs(radians) >= PI_DIV_TWO)
//{
// // The velocity is more than 90 degrees from where I want to go. By applying a force exactly opposite of the current
// // velocity, I will negate the velocity that orthogonal to the desired direction, as well as slow down the bot
// //TODO: This gives an unnatural flight. Don't fully stop before charging toward the chase point
// directionToGo = currentVelocity * -1d;
//}
double percentThrust = GetEdgePercentAcceleration(distanceToGo - distanceToStop, maxAcceleration);
//TODO: Do partial thrust similar to the fly away logic
directionToGo.Normalize();
directionToGo *= percentThrust;
#endregion
}
#endregion
if (_shouldShowDebugVisuals && !suppress5)
{
_pointVisualizer_VelAware2.Update(5, positionWorld, _physicsBody.DirectionToWorld(directionToGo));
}
// Exit Function
return directionToGo;
}
/// <summary>
/// The derived class should modify the thruster settings before calling base.WorldUpdating
/// </summary>
public virtual void WorldUpdating()
{
#region Visuals
_core.Transform = _physicsBody.Transform;
#endregion
#region Thrust Line
if (_shouldDrawThrustLine)
{
_thruster.DrawVisual(_thrustPercent, _physicsBody.Transform, _thrustTransform);
}
#endregion
#region Debug Visuals
if (_shouldShowDebugVisuals)
{
if (_pointVisualizer == null)
{
_pointVisualizer = new PointVisualizer(_viewport, _sharedVisuals, _physicsBody);
_pointVisualizer.ShowPosition = false;
_pointVisualizer.ShowVelocity = true;
_pointVisualizer.ShowAcceleration = Ship.DEBUGSHOWSACCELERATION;
_pointVisualizer.VelocityAccelerationLengthMultiplier = .05d; // this is the same as the ship's
}
_pointVisualizer.Update();
}
#endregion
}
/// <summary>
/// This one won't let the bot come at the target too fast (and tries to match the target's velocity)
/// </summary>
protected Vector3D GetDirection_InterceptTarget_VelocityAware(Point3D targetPointWorld, Vector3D targetVelocityWorld, double maxAcceleration)
{
const double DOT_POSTOTHESIDE = .5d;
const double DOT_VELORTH = .5d;
const double TOOFARTIME = 4d; // if it takes longer than this to get to the point, then just chase it directly
const bool SHOULDREVERSETHRUSTWHENAPPROPRIATE = true; // true: just reverse thrust, false: turn toward chase point (not as efficient, but looks more like flight)
if (_shouldShowDebugVisuals && _pointVisualizer_VelAware3 == null)
{
#region Visualizer
// This method has it's own visualizer
_pointVisualizer_VelAware3 = new PointVisualizer(_viewport, _sharedVisuals, 5);
_pointVisualizer_VelAware3.SetCustomItemProperties(0, true, Colors.HotPink, .03d); // chase point
_pointVisualizer_VelAware3.SetCustomItemProperties(1, false, Colors.DarkGoldenrod, .05d); // this is my max acceleration
_pointVisualizer_VelAware3.SetCustomItemProperties(2, false, Colors.DarkOrchid, 1d); // projected chase point1
_pointVisualizer_VelAware3.SetCustomItemProperties(3, false, Colors.Orchid, 1d); // projected chase point2
_pointVisualizer_VelAware3.SetCustomItemProperties(4, true, Colors.Red, .1d); // unchased point
#endregion
}
// clear off intermitent visuals (the ones that don't update every frame will appear to hang if I don't clean them up)
if (_shouldShowDebugVisuals)
{
_pointVisualizer_VelAware3.Update(1, new Point3D(), new Vector3D());
_pointVisualizer_VelAware3.Update(4, new Point3D());
}
Point3D positionLocal = _physicsBody.CenterOfMass;
Point3D positionWorld = _physicsBody.PositionToWorld(positionLocal);
if (_shouldShowDebugVisuals)
{
_pointVisualizer_VelAware3.Update(0, targetPointWorld);
if (Ship.DEBUGSHOWSACCELERATION)
{
_pointVisualizer_VelAware3.Update(1, positionWorld, _physicsBody.DirectionToWorld(new Vector3D(maxAcceleration, 0, 0)));
}
}
// Get some general vectors
Point3D targetPointLocal = _physicsBody.PositionFromWorld(targetPointWorld);
Vector3D targetVelocityLocal = _physicsBody.DirectionFromWorld(targetVelocityWorld);
Vector3D directionToGo = targetPointLocal.ToVector() - positionLocal.ToVector();
double distanceToGo = directionToGo.Length;
Vector3D velocityLocal = _physicsBody.DirectionFromWorld(_physicsBody.VelocityCached);
#region Get approximate intercept point
// Get time to point
double interceptTime1 = GetInterceptTime(targetPointWorld, positionWorld, _physicsBody.VelocityCached, maxAcceleration);
// Project where the chase point will be at that time
Point3D targetPointWorld1 = targetPointWorld + (targetVelocityWorld * interceptTime1);
// Get the intercept time for this second point
double interceptTime2 = GetInterceptTime(targetPointWorld1, positionWorld, _physicsBody.VelocityCached, maxAcceleration);
// Project again
Point3D targetPointWorld2 = targetPointWorld + (targetVelocityWorld * interceptTime2);
if (_shouldShowDebugVisuals)
{
_pointVisualizer_VelAware3.Update(2, positionWorld, targetPointWorld1 - positionWorld);
_pointVisualizer_VelAware3.Update(3, positionWorld, targetPointWorld2 - positionWorld);
}
#endregion
if (interceptTime1 > TOOFARTIME)
{
// Simplifying if too far away
return GetDirection_StraightToTarget_VelocityAware2(targetPointWorld2, maxAcceleration);
}
#region Determine relative positions/velocities
// Dot product of my velocity with chase point location
Vector3D velocityLocalUnit = velocityLocal.ToUnit();
Vector3D directionToGoUnit = directionToGo.ToUnit();
double velDotDir = Vector3D.DotProduct(velocityLocalUnit, directionToGoUnit);
// Dot product of my velocity with chase velocity
Vector3D targetVelocityLocalUnit = targetVelocityLocal.ToUnit();
double velDotVel = Vector3D.DotProduct(velocityLocalUnit, targetVelocityLocalUnit);
//NOTE: In several conditions, it's a toss up whether the swarm bot should turn around, or reverse thrust. This should be a member
// level boolean
if (velDotDir > DOT_POSTOTHESIDE)
{
if (velDotVel > DOT_POSTOTHESIDE)
{
#region Point is in front & Traveling in the same direction
// Make a modified version of speed aware 2, and head directly for the chase point, trying to match velocity
//
// Also may want to try to shoot for a bit in front of them
#endregion
}
else if (velDotVel > -DOT_POSTOTHESIDE)
{
#region Point is in front & Traveling orthoganal
// I've found when dogfighting, that I don't want to go to where they are now, I want to follow the path they've taken so I can
// run up their rear.
//
// So project a point behind them and go for that
//
// I probably want to do a hybrid between going directly behind them, and going for the chase point
#endregion
}
else
{
#region Point is in front & Traveling in opposite directions
// Go straight for them, then reverse thrust in time so they run into me (sort of playing chicken)
#endregion
}
}
else if (velDotDir > -DOT_POSTOTHESIDE)
{
if (velDotVel > DOT_POSTOTHESIDE)
{
#region Point is to the side & Traveling in the same direction
// Don't turn toward them, just slide over to them (match the velocity along their direction of travel, and use the remaining
// thrust to shoot to the side
#endregion
}
else if (velDotVel > -DOT_POSTOTHESIDE)
{
#region Point is to the side & Traveling orthoganal
// Turn toward them (call speed aware 2 going straight for the chase point)
#endregion
}
else
{
#region Point is to the side & Traveling in opposite directions
// Either:
// turn toward it
// or reverse thrust and eventually get to the point where you can slide up to it
#endregion
}
}
else
{
if (velDotVel > DOT_POSTOTHESIDE)
{
#region Point is behind & Traveling in the same direction
// Get in front of them, then either just slow down, or reverse thrust toward them until they're close enough to reverse thrust again
#endregion
}
else if (velDotVel > -DOT_POSTOTHESIDE)
{
#region Point is behind & Traveling orthoganal
// Turn toward them (similar case with "Point is to the side & Traveling orthoganal"?)
#endregion
}
else
{
#region Point is behind & Traveling in opposite directions
// Reverse thrust
#endregion
}
}
#endregion
return GetDirection_StraightToTarget_VelocityAware2(targetPointWorld2, maxAcceleration);
_pointVisualizer_VelAware3.Update(4, targetPointWorld);
return new Vector3D();
}
/// <summary>
/// This goes straight for the chase point, and tries to be going at the target's velocity when it's at the target point
/// </summary>
/// <remarks>
/// The difference between this method and intercept is that this always goes straight for the point it's told to, fully
/// turning if nessassary. Intercept tries to calculate the best way to intercept, possibly chasing after a derived point.
/// </remarks>
protected Vector3D GetDirection_StraightToTarget_VelocityAware2(Point3D targetPointWorld, Vector3D targetVelocityWorld, double maxAcceleration)
{
if (_shouldShowDebugVisuals && _pointVisualizer_VelAware2 == null)
{
#region Visualizer
// This method has it's own visualizer
_pointVisualizer_VelAware2 = new PointVisualizer(_viewport, _sharedVisuals, 4);
_pointVisualizer_VelAware2.SetCustomItemProperties(0, true, Colors.HotPink, .03d); // chase point
_pointVisualizer_VelAware2.SetCustomItemProperties(1, false, Colors.Black, 1d); // direction to go
_pointVisualizer_VelAware2.SetCustomItemProperties(2, false, Colors.Green, .05d); // velocity along direction to go (the other visualizer's velocity is scaled the same)
_pointVisualizer_VelAware2.SetCustomItemProperties(3, false, Colors.DarkOrchid, 1d); // distance to stop
#endregion
}
if (_shouldShowDebugVisuals)
{
// clear intermittant lines
_pointVisualizer_VelAware2.Update(3, new Point3D(), new Vector3D());
_pointVisualizer_VelAware2.Update(0, targetPointWorld);
}
// Convert everything to local coords
Point3D position = _physicsBody.CenterOfMass;
Point3D targetPointLocal = _physicsBody.PositionFromWorld(targetPointWorld);
Vector3D targetVelocityLocal = _physicsBody.DirectionFromWorld(targetVelocityWorld);
Vector3D directionToGo = targetPointLocal.ToVector() - position.ToVector();
double distanceToGo = directionToGo.Length;
Vector3D currentVelocity = _physicsBody.DirectionFromWorld(this.VelocityWorld);
if (_shouldShowDebugVisuals)
{
_pointVisualizer_VelAware2.Update(1, PositionWorld, _physicsBody.DirectionToWorld(directionToGo));
}
if (Math3D.IsNearZero(directionToGo) && Math3D.IsNearZero(currentVelocity - targetVelocityLocal))
{
// Already on the point, moving along the same vector
return new Vector3D(0, 0, 0);
}
// I think this description is too complex
// I need to a few things:
// Figure out how fast I can be approaching the point, and still be able to stop on it
// if too fast, negate the velocity that is along the direction of the target
//
// If there is left over thrust, remove as much velocity as possible that is not in the direction to the target
//
// If there is left over thrust, use the remainder to speed up (unless I'm already at the max velocity, then just coast)
//directionToGo += targetVelocityLocal; // try adding the two, and see if that's good - this doesn't work, they units are far too different
Vector3D currentVelocityAlongDirectionLine = currentVelocity.GetProjectedVector(directionToGo);
double currentSpeedAlongDirectionLine = currentVelocityAlongDirectionLine.Length;
//Vector3D currentVelocityAlongTargetVelocity = currentVelocity.GetProjectedVector(targetVelocityLocal); // I don't see how this helps
//double currentSpeedAlongTargetVelocity = currentVelocityAlongTargetVelocity.Length;
Vector3D targetVelocityAlongDirectionLine = targetVelocityLocal.GetProjectedVector(directionToGo);
double targetSpeedAlongDirectionLine = targetVelocityAlongDirectionLine.Length;
if (_shouldShowDebugVisuals)
{
_pointVisualizer_VelAware2.Update(2, PositionWorld, _physicsBody.DirectionToWorld(currentVelocityAlongDirectionLine));
}
// If going away from the target, then there is no need to slow down
double distanceToStop = -1d;
if (Vector3D.DotProduct(currentVelocityAlongDirectionLine, directionToGo) > 0)
{
// Calculate max velocity
// t = (v1 - v0) / a
// v1 will need to be zero, v0 is the current velocity, a is negative. so I can just take initial velocity / acceleration
double timeToStop = currentSpeedAlongDirectionLine / maxAcceleration;
// Now including the portion of the target's velocity along the direction
//double timeToStop = (currentSpeedAlongDirectionLine + targetSpeedAlongDirectionLine) / maxAcceleration; // this fails pretty badly too (try taking the greater of the two speeds?)
// Now that I know how long it will take to stop, figure out how far I'll go in that time under constant acceleration
// d = vt + 1/2 at^2
// I'll let the vt be zero and acceleration be positive to make things cleaner
distanceToStop = .5 * maxAcceleration * timeToStop * timeToStop;
if (_shouldShowDebugVisuals)
{
Vector3D vectToStop = directionToGo;
vectToStop.Normalize();
vectToStop *= distanceToStop;
_pointVisualizer_VelAware2.Update(3, PositionWorld, _physicsBody.DirectionToWorld(vectToStop));
}
}
// distance and time to stop are to get stopped. Now I have to leave some leeway for target velocity???
if (distanceToStop > distanceToGo)
{
#region Brakes directly away from the target
//TODO: Take in the magnitude to use
//directionToGo *= -3d; // I'll give this a higher than normal priority (I still want to keep the highest priority with obstacle avoidance)
//directionToGo *= -.25d;
// If the difference between stop distance and distance to go is very small, then don't use full thrust. It causes the bot to jitter back and forth
double brakesPercent = GetEdgePercentAcceleration(distanceToStop - distanceToGo, maxAcceleration);
// Reverse the thrust
directionToGo.Normalize();
directionToGo *= -1d * brakesPercent;
#endregion
}
else
{
#region Accelrate toward target (negating tangent speed)
// Figure out how fast I could safely be going toward the target
// If I accelerate full force, will I exceed that? (who cares, speed up, and let the next frame handle that)
Vector3D axis;
double radians;
Math3D.GetRotation(out axis, out radians, directionToGo, currentVelocity);
// This is how much to rotate direction to align with current velocity, I want to go against the current velocity (if aligned,
// the angle will be zero, so negating won't make a difference)
radians *= -1;
//if (Math3D.IsNearZero(radians) || Math3D.IsNearValue(radians, PI_DIV_TWO) || Math3D.IsNearValue(radians, Math.PI))
//{
// // No modification needed (I don't think this if statement is really needed)
//}
if (Math1D.IsNearValue(radians, Math.PI))
{
// Flying directly away from the target. Turn around
directionToGo = currentVelocity * -1d;
}
else if (Math.Abs(radians) < RADIANS_60DEG) // PI_DIV_TWO is waiting too long, PI_DIV_FOUR is capping off too early
{
// Change the direction by the angle
directionToGo = directionToGo.GetRotatedVector(axis, Math1D.RadiansToDegrees(radians));
}
//else if (Math.Abs(radians) >= PI_DIV_TWO)
//{
// // The velocity is more than 90 degrees from where I want to go. By applying a force exactly opposite of the current
// // velocity, I will negate the velocity that's orthogonal to the desired direction, as well as slow down the bot
//
// // I used to stop in this case. It is most efficient, but looks really odd (I want the swarmbot to flow more instead of stalling out,
// // and then charging off). So I don't rotate more than 60 degrees now
// directionToGo = currentVelocity * -1d;
//}
else
{
double actualRadians = RADIANS_60DEG;
if (radians < 0)
{
actualRadians *= -1d;
}
directionToGo = directionToGo.GetRotatedVector(axis, Math1D.RadiansToDegrees(actualRadians));
}
// Don't jitter back and forth at full throttle when at the boundry
double percentThrust = GetEdgePercentAcceleration(distanceToGo - distanceToStop, maxAcceleration);
directionToGo.Normalize();
directionToGo *= percentThrust;
#endregion
}
// Exit Function
return directionToGo;
}
private void ChangeSwarmBots(SwarmFormation formation)
{
ChangeSwarmBotsSprtRemoveAll();
if (formation == SwarmFormation.None)
{
_swarmbotFormation = SwarmFormation.None;
return;
}
double startAngle, stepAngle; // 0 is straight in front of the ship
int numBots;
double distanceMult;
switch (formation)
{
case SwarmFormation.AllFront:
#region AllFront
startAngle = 0d;
stepAngle = 360d;
//numBots = 20;
numBots = _numSwarmbots;
distanceMult = 8d;
#endregion
break;
case SwarmFormation.AllRear:
#region AllRear
startAngle = 180d;
stepAngle = 360d;
//numBots = 20;
numBots = _numSwarmbots;
distanceMult = 8d;
#endregion
break;
case SwarmFormation.Triangle:
#region Triangle
startAngle = 0d;
stepAngle = 120d;
//numBots = 10;
numBots = _numSwarmbots / 3;
if (numBots % 3 != 0 || numBots == 0)
{
numBots++;
}
distanceMult = 9d;
#endregion
break;
case SwarmFormation.ReverseTriangle:
#region ReverseTriangle
startAngle = 180d;
stepAngle = 120d;
//numBots = 10;
numBots = _numSwarmbots / 3;
if (numBots % 3 != 0 || numBots == 0)
{
numBots++;
}
distanceMult = 9d;
#endregion
break;
case SwarmFormation.Pentagon:
#region Pentagon
startAngle = 0d;
stepAngle = 72d;
//numBots = 7;
numBots = _numSwarmbots / 5;
if (numBots % 5 != 0 || numBots == 0)
{
numBots++;
}
distanceMult = 9d;
#endregion
break;
case SwarmFormation.ReversePentagon:
#region ReversePentagon
startAngle = 180d;
stepAngle = 72d;
//numBots = 7;
numBots = _numSwarmbots / 5;
if (numBots % 5 != 0 || numBots == 0)
{
numBots++;
}
distanceMult = 9d;
#endregion
break;
case SwarmFormation.SurroundShip:
#region SurroundShip
startAngle = 0d;
stepAngle = 360d;
//numBots = 30;
numBots = _numSwarmbots;
distanceMult = 0d;
#endregion
break;
default:
throw new ApplicationException("Unknown SwarmFormation: " + formation.ToString());
}
// Figure out how far away from the ship the bots should be
double chaseOffsetDistance = (_radiusX + _radiusY) / 2d;
chaseOffsetDistance *= distanceMult;
// Build the swarms
double angle = startAngle;
while (angle < startAngle + 360d)
{
Vector3D chasePoint = new Vector3D(0, chaseOffsetDistance, 0);
chasePoint = chasePoint.GetRotatedVector(new Vector3D(0, 0, 1), angle);
_swarmBots.Add(ChangeSwarmBotsSprtSwarm(numBots, chasePoint));
_swarmbotChasePoints.Add(chasePoint.ToPoint());
PointVisualizer chasePointSprite = new PointVisualizer(_map.Viewport, _sharedVisuals);
chasePointSprite.PositionRadius = .1d;
chasePointSprite.VelocityAccelerationLengthMultiplier = .05d;
chasePointSprite.ShowPosition = _showDebugVisuals;
chasePointSprite.ShowVelocity = _showDebugVisuals;
chasePointSprite.ShowAcceleration = _showDebugVisuals && DEBUGSHOWSACCELERATION;
_swarmbotChasePointSprites.Add(chasePointSprite);
angle += stepAngle;
}
_swarmbotFormation = formation;
}
private void ChangeSwarmBots(SwarmFormation formation)
{
ChangeSwarmBotsSprtRemoveAll();
if (formation == SwarmFormation.None)
{
_swarmbotFormation = SwarmFormation.None;
return;
}
double startAngle, stepAngle; // 0 is straight in front of the ship
int numBots;
double distanceMult;
switch (formation)
{
case SwarmFormation.AllFront:
#region AllFront
startAngle = 0d;
stepAngle = 360d;
//numBots = 20;
numBots = _numSwarmbots;
distanceMult = 8d;
#endregion
break;
case SwarmFormation.AllRear:
#region AllRear
startAngle = 180d;
stepAngle = 360d;
//numBots = 20;
numBots = _numSwarmbots;
distanceMult = 8d;
#endregion
break;
case SwarmFormation.Triangle:
#region Triangle
startAngle = 0d;
stepAngle = 120d;
//numBots = 10;
numBots = _numSwarmbots / 3;
if (numBots % 3 != 0 || numBots == 0)
{
numBots++;
}
distanceMult = 9d;
#endregion
break;
case SwarmFormation.ReverseTriangle:
#region ReverseTriangle
startAngle = 180d;
stepAngle = 120d;
//numBots = 10;
numBots = _numSwarmbots / 3;
if (numBots % 3 != 0 || numBots == 0)
{
numBots++;
}
distanceMult = 9d;
#endregion
break;
case SwarmFormation.Pentagon:
#region Pentagon
startAngle = 0d;
stepAngle = 72d;
//numBots = 7;
numBots = _numSwarmbots / 5;
if (numBots % 5 != 0 || numBots == 0)
{
numBots++;
}
distanceMult = 9d;
#endregion
break;
case SwarmFormation.ReversePentagon:
#region ReversePentagon
startAngle = 180d;
stepAngle = 72d;
//numBots = 7;
numBots = _numSwarmbots / 5;
if (numBots % 5 != 0 || numBots == 0)
{
numBots++;
}
distanceMult = 9d;
#endregion
break;
case SwarmFormation.SurroundShip:
#region SurroundShip
startAngle = 0d;
stepAngle = 360d;
//numBots = 30;
numBots = _numSwarmbots;
distanceMult = 0d;
#endregion
break;
default:
throw new ApplicationException("Unknown SwarmFormation: " + formation.ToString());
}
// Figure out how far away from the ship the bots should be
double chaseOffsetDistance = (_radiusX + _radiusY) / 2d;
chaseOffsetDistance *= distanceMult;
// Build the swarms
double angle = startAngle;
while (angle < startAngle + 360d)
{
Vector3D chasePoint = new Vector3D(0, chaseOffsetDistance, 0);
chasePoint = chasePoint.GetRotatedVector(new Vector3D(0, 0, 1), angle);
_swarmBots.Add(ChangeSwarmBotsSprtSwarm(numBots, chasePoint));
_swarmbotChasePoints.Add(chasePoint.ToPoint());
PointVisualizer chasePointSprite = new PointVisualizer(_map.Viewport, _sharedVisuals);
chasePointSprite.PositionRadius = .1d;
chasePointSprite.VelocityAccelerationLengthMultiplier = .05d;
chasePointSprite.ShowPosition = _showDebugVisuals;
chasePointSprite.ShowVelocity = _showDebugVisuals;
chasePointSprite.ShowAcceleration = _showDebugVisuals && DEBUGSHOWSACCELERATION;
_swarmbotChasePointSprites.Add(chasePointSprite);
angle += stepAngle;
}
_swarmbotFormation = formation;
}