public override void DidMoveToView(SpriteKit.SKView view)
{
base.DidMoveToView(view);
Player = new AgentNode(this, DefaultAgentRadius, new CGPoint(Frame.GetMidX(), Frame.GetMidY()));
Player.Agent.Behavior = new GKBehavior();
AgentSystem.AddComponent(Player.Agent);
SeekGoal = GKGoal.GetGoalToSeekAgent(TrackingAgent);
}
AgentNode AddFriend(CGPoint point)
{
var friend = new AgentNode(this, DefaultAgentRadius, point)
{
Color = SKColor.Cyan
};
AgentSystem.AddComponent(friend.Agent);
return(friend);
}
public Agent(AgentSystem agSys, Point3d position, Vector3d velocity)
{
this.agSys = agSys;
this.position = position;
this.velocity = velocity;
acceleration = Vector3d.Zero;
MaxSpeed = 1.5f;
PheroStrength = 0.1f;
visAng = agSys.sensAng;
neighbours = new List <int>();
}
public override void DidMoveToView(SpriteKit.SKView view)
{
base.DidMoveToView(view);
var wanderer = new AgentNode(this, DefaultAgentRadius, new CGPoint(Frame.GetMidX(), Frame.GetMidY()))
{
Color = SKColor.Cyan
};
wanderer.Agent.Behavior = GKBehavior.FromGoal(GKGoal.GetGoalToWander(10), 100f);
AgentSystem.AddComponent(wanderer.Agent);
}
public override void Update(double currentTime)
{
if (lastUpdateTime == 0)
{
lastUpdateTime = currentTime;
}
var delta = currentTime - lastUpdateTime;
lastUpdateTime = currentTime;
AgentSystem.Update(delta);
}
/// <summary>
/// This procedure contains the user code. Input parameters are provided as regular arguments,
/// Output parameters as ref arguments. You don't have to assign output parameters,
/// they will have a default value.
/// </summary>
private void RunScript(bool reset, bool go, int mode, List <Point3d> P, List <Vector3d> V, double nR, double coS, double alS, double seS, double seR, ref object Ap, ref object Av)
{
// <Custom code>
GH_Point[] ptsOut;
GH_Vector[] vecOut;
if (reset || AgSys == null)
{
AgSys = new AgentSystem(P, V);
}
if (go)
{
AgSys.NeighborhoodRadius = nR;
AgSys.CohesionStrength = coS;
AgSys.AlignmentStrength = alS;
AgSys.SeparationStrength = seS;
AgSys.SeparationRadius = seR;
/*
* if(condition)
* {}
* else
* {}
*/
if (AgSys.Agents.Count < 600)
{
AgSys.Update();
}
else
{
switch (mode)
{
case 0:
AgSys.UpdateParallel();
break;
case 1:
AgSys.UpdateRTree();
break;
}
}
Component.ExpireSolution(true);
}
AgSys.GetPtsVecs(out ptsOut, out vecOut);
Ap = ptsOut;
Av = vecOut;
// </Custom code>
}
public override void DidMoveToView(SKView view)
{
base.DidMoveToView(view);
var obstacles = new [] {
AddObstacle(new CGPoint(Frame.GetMidX(), Frame.GetMidY() + 150f)),
AddObstacle(new CGPoint(Frame.GetMidX() - 200f, Frame.GetMidY() - 150f)),
AddObstacle(new CGPoint(Frame.GetMidX() + 200f, Frame.GetMidY() - 150f))
};
Player = new AgentNode(this, DefaultAgentRadius, new CGPoint(Frame.GetMidX(), Frame.GetMidY()));
Player.Agent.Behavior = new GKBehavior();
AgentSystem.AddComponent(Player.Agent);
SeekGoal = GKGoal.GetGoalToSeekAgent(TrackingAgent);
Player.Agent.Behavior.SetWeight(100, GKGoal.GetGoalToAvoidObstacles(obstacles, 1));
}
/// <summary>
/// This procedure contains the user code. Input parameters are provided as regular arguments,
/// Output parameters as ref arguments. You don't have to assign output parameters,
/// they will have a default value.
/// </summary>
private void RunScript(bool reset, bool go, List <Point3d> P, List <Vector3d> V, double nR, double coS, double alS, double seS, double seR, ref object Ap, ref object Av, ref object At)
{
// <Custom code>
#region initialization
// initialization
if (reset || AgSys == null)
{
AgSys = new AgentSystem(P, V);
}
#endregion
// update
if (go)
{
// parameters update
AgSys.NeighborhoodRadius = nR;
AgSys.CohesionStrength = coS;
AgSys.AlignmentStrength = alS;
AgSys.SeparationStrength = seS;
AgSys.SeparationRadius = seR;
// system update
//AgSys.Update();
AgSys.UpdateRTree();
// update solution
Component.ExpireSolution(true);
}
// output
GH_Point[] ptOut;
GH_Vector[] velOut;
AgSys.GetPtsVecs(out ptOut, out velOut);
Ap = ptOut;
Av = velOut;
At = AgSys.GetAgentsTrails();
// </Custom code>
}
public override void DidMoveToView(SKView view)
{
base.DidMoveToView(view);
var agents = new List <GKAgent2D> (20);
const int agentsPerRow = 4;
for (int i = 0; i < agentsPerRow * agentsPerRow; i++)
{
var x = Frame.GetMidX() + i % agentsPerRow * 20;
var y = Frame.GetMidY() + i / agentsPerRow * 20;
var boid = new AgentNode(this, 10, new CGPoint(x, y));
AgentSystem.AddComponent(boid.Agent);
agents.Add(boid.Agent);
boid.DrawsTail = false;
}
const float separationRadius = 0.553f * 50;
const float separationAngle = (float)(3 * Math.PI / 4.0f);
const float separationWeight = 10.0f;
const float alignmentRadius = 0.83333f * 50;
const float alignmentAngle = (float)(Math.PI / 4.0f);
const float alignmentWeight = 12.66f;
const float cohesionRadius = 1.0f * 100;
const float cohesionAngle = (float)(Math.PI / 2.0f);
const float cohesionWeight = 8.66f;
// Separation, alignment, and cohesion goals combined cause the flock to move as a group.
var behavior = new GKBehavior();
behavior.SetWeight(separationWeight, GKGoal.GetGoalToSeparate(agents.ToArray(), separationRadius, separationAngle));
behavior.SetWeight(alignmentWeight, GKGoal.GetGoalToAlign(agents.ToArray(), alignmentRadius, alignmentAngle));
behavior.SetWeight(cohesionWeight, GKGoal.GetGoalToCohere(agents.ToArray(), cohesionRadius, cohesionAngle));
foreach (GKAgent2D agent in agents)
{
agent.Behavior = behavior;
}
SeekGoal = GKGoal.GetGoalToSeekAgent(TrackingAgent);
}
public override void DidMoveToView(SKView view)
{
base.DidMoveToView(view);
var follower = new AgentNode(this, DefaultAgentRadius, new CGPoint(Frame.GetMidX(), Frame.GetMidY()))
{
Color = SKColor.Cyan
};
var center = new Vector2((float)Frame.GetMidX(), (float)Frame.GetMidY());
var points = new [] {
new Vector2(center.X, center.Y + 50),
new Vector2(center.X + 50, center.Y + 150),
new Vector2(center.X + 100, center.Y + 150),
new Vector2(center.X + 200, center.Y + 200),
new Vector2(center.X + 350, center.Y + 150),
new Vector2(center.X + 300, center.Y),
new Vector2(center.X, center.Y - 200),
new Vector2(center.X - 200, center.Y - 100),
new Vector2(center.X - 200, center.Y),
new Vector2(center.X - 100, center.Y + 50),
};
var path = GKPath.FromPoints(points, DefaultAgentRadius, true);
follower.Agent.Behavior = GKBehavior.FromGoal(GKGoal.GetGoalToFollowPath(path, 1.5, true), 1);
AgentSystem.AddComponent(follower.Agent);
var cgPoints = new CGPoint[11];
for (var i = 0; i < 10; i++)
{
cgPoints [i] = new CGPoint(points [i].X, points [i].Y);
}
cgPoints [10] = cgPoints [0];
var pathShape = SKShapeNode.FromPoints(ref cgPoints [0], 11);
pathShape.LineWidth = 2;
pathShape.StrokeColor = SKColor.Magenta;
AddChild(pathShape);
}
public override void DidMoveToView(SpriteKit.SKView view)
{
base.DidMoveToView(view);
Player = new AgentNode(this, DefaultAgentRadius, new CGPoint(Frame.GetMidX(), Frame.GetMidY()));
Player.Agent.Behavior = new GKBehavior();
AgentSystem.AddComponent(Player.Agent);
Player.Agent.MaxSpeed *= 1.2f;
SeekGoal = GKGoal.GetGoalToSeekAgent(TrackingAgent);
Friends = new [] {
AddFriend(new CGPoint(Frame.GetMidX() - 150f, Frame.GetMidY())),
AddFriend(new CGPoint(Frame.GetMidX() + 150f, Frame.GetMidY()))
};
SeparateGoal = GKGoal.GetGoalToSeparate(new [] { Player.Agent }, 100f, (float)(Math.PI * 2));
var behavior = GKBehavior.FromGoal(SeparateGoal, 100f);
foreach (var friend in Friends)
{
friend.Agent.Behavior = behavior;
}
}
/// <summary>
/// This procedure contains the user code. Input parameters are provided as regular arguments,
/// Output parameters as ref arguments. You don't have to assign output parameters,
/// they will have a default value.
/// </summary>
private void RunScript(bool reset, bool go, bool debug, int method, Mesh M, List <Point3d> P, double sR, double sI, double dR, double eR, double sensDist, double sensAng, ref object points, ref object vectors, ref object outMCol, ref object neigh, ref object neighCol, ref object sensors)
{
// <Custom code>
// ............................................................................
// Stigmergy system
/*
* notes on code refactoring
*
* 2 main classes:
* . Particle System (and a class Particle)
* . Environment (Mesh with scalar and optional vector field)
*
* RunScript function structure:
*
* . check inputs & eventually bypass execution
* . initialise Environment
* . initialise Particle System
* . Update live variables
* . Update Particle System
* . Update Environment
* . Extract Output Geometries and Data
*
*/
// return on null input
if (M == null || P == null)
{
return;
}
// initialize on first execution or mesh change
if (AS == null || M.Vertices.Count != ME.scalarField.Length)
{
// initialize particle system
ME = new MeshEnvironment(M, dR, eR);
AS = new AgentSystem(P, ME);
}
// restore initial values on reset
if (reset)
{
// initialize particle system
ME.RestoreScalarField();
AS = new AgentSystem(P, ME);
}
if (go)
{
// update runtime variables
AS.seekRadius = sR;
AS.seekIntensity = sI;
AS.sensDist = sensDist; // old value 3.0
AS.sensAng = sensAng;
ME.diffusionRate = (float)dR;
ME.evaporationRate = (float)eR;
// update simulation
switch (method)
{
case 0:
AS.UpdateRTree();
break;
case 1:
AS.UpdateJones();
break;
}
// update environment (diffusion + evaporation)
ME.Update();
// update component
Component.ExpireSolution(true);
}
// . . . . . . . extract geometries
// particles positions and velocites
AS.GetPointsVectors(out pts, out vecs);
points = pts;
vectors = vecs;
// colored mesh
outMCol = ME.GetColoredMesh();
// debug mode
if (debug)
{
switch (method)
{
case 0:
neigh = AS.GetNeighPts();
neighCol = AS.GetNeighBrightness();
break;
case 1:
sensors = AS.SensorsOut();
break;
}
}
// ............................................................................
// </Custom code>
}