private void Animate(Data[] d) {
if (frames == 0) stopwatch.Start();
frames++;
ShowStats();
Vector3D unitY = new Vector3D(0.0, 1.0, 0.0);
for (var index = 0; index < NumBoids; index++) {
Data data = d[index];
Transform3DGroup group = new Transform3DGroup();
Vector3D velocity = data.velocity;
velocity.Normalize();
BoidModels[index].Transform = null;
double theta = Math.Acos(Vector3D.DotProduct(velocity, unitY) / (velocity.Length * unitY.Length)) * (180.0/Math.PI);
double len = data.velocity.Length;
ScaleTransform3D s = new ScaleTransform3D(2.0, 2.0, 2.0);
Vector3D vectord3 = new Vector3D(0.0, 1.0, 0.0);
AxisAngleRotation3D rotation = new AxisAngleRotation3D(Vector3D.CrossProduct(vectord3, velocity), theta);
RotateTransform3D rt = new RotateTransform3D(rotation);
TranslateTransform3D tt = new TranslateTransform3D(data.position - data.velocity);
group.Children.Add(s);
group.Children.Add(rt);
group.Children.Add(tt);
BoidModels[index].Transform = group;
}
var delay = (int)this.FPS.Value;
//if (delay > 0)
System.Threading.Thread.Sleep(delay);
}
public void ProcessBoid(Data boid) {
Vector3D vectord = boid.position - position;
double num = Math.Acos(Vector3D.DotProduct(velocity, boid.position - position) / (velocity.Length * vectord.Length)) * (180.0/Math.PI);
vectord = boid.position - position;
if ((vectord.Length < MinDistance) & (num < 135.0)) {
Nearby = Nearby + 1;
Cohesion += boid.position;
vectord = boid.position - position;
if (vectord.Length < 10.0) {
Separation -= boid.position - position;
}
Alignment += boid.velocity;
}
}
public void InitJoin() {
var join = (MainWindow.SCALABLE) ?
Join.Create<Join.Scalable>(4 + NumBoids + NumBoids)
: Join.Create<Join.LockBased>(4 + NumBoids + NumBoids);
join.Initialize(out Boids, NumBoids);
join.Initialize(out Tick);
join.Initialize(out Running);
join.Initialize(out NotRunning);
join.Initialize(out PauseResume);
join.Initialize(out Sync, NumBoids);
for (int i = 0; i < NumBoids; i++)
{ // dummy channels to add contention
join.When(Sync[i]).Do(() => { ;});
}
// rendezvous pattern
join.When(Tick).And(Running).And(Boids).Do(data => { Running(); return data; });
join.When(PauseResume).And(Running).Do(() => NotRunning());
join.When(PauseResume).And(NotRunning).Do(() => { ResetStats(); Running(); });
Running();
var d = new Data[NumBoids];
}
