private Tuple <Dot, RayHitTestParameters> GetMouseOver(MouseEventArgs e, DotVisuals dots)
{
const double MAXHITDISTANCE = .035;
// Fire a ray from the mouse point
Point mousePoint = e.GetPosition(grdViewPort);
var ray = UtilityWPF.RayFromViewportPoint(_camera, _viewport, mousePoint);
var hit = dots.Dots.
Select(o => new
{
Dot = o,
Position = o.Position,
DotProduct = Vector3D.DotProduct(ray.Direction, o.Position - ray.Origin)
}).
Where(o => o.DotProduct > 0). // throwing out points that are behind the camera
Select(o => new
{
o.Dot,
o.Position,
Distance = Math3D.GetClosestDistance_Line_Point(ray.Origin, ray.Direction, o.Position)
}).
Where(o => o.Distance <= MAXHITDISTANCE).
OrderBy(o => (o.Position - ray.Origin).LengthSquared).
FirstOrDefault();
// Sooooon :)
//hit?.Index;
Dot dot = hit == null ? (Dot)null : hit.Dot;
return(Tuple.Create(dot, ray));
}
private void EnsureDotsCreated()
{
if (_dots == null)
{
_dots = new DotVisuals();
_viewport.Children.Add(_dots.Visual);
}
foreach (var sketch in _vectorImages)
{
EnsureDotCreated(sketch);
}
}
/// <summary>
/// This wipes out everything (call this when loading a new session)
/// </summary>
public void Clear()
{
_network = null;
_networkInputs = null;
_networkOutputs = null;
_vectorImages.Clear();
if (_dots != null)
{
_viewport.Children.Remove(_dots.Visual);
_dots = null;
}
}
private Tuple<Dot, RayHitTestParameters> GetMouseOver(MouseEventArgs e, DotVisuals dots)
{
const double MAXHITDISTANCE = .035;
// Fire a ray from the mouse point
Point mousePoint = e.GetPosition(grdViewPort);
var ray = UtilityWPF.RayFromViewportPoint(_camera, _viewport, mousePoint);
var hit = dots.Dots.
Select(o => new
{
Dot = o,
Position = o.Position,
DotProduct = Vector3D.DotProduct(ray.Direction, o.Position - ray.Origin)
}).
Where(o => o.DotProduct > 0). // throwing out points that are behind the camera
Select(o => new
{
o.Dot,
o.Position,
Distance = Math3D.GetClosestDistance_Line_Point(ray.Origin, ray.Direction, o.Position)
}).
Where(o => o.Distance <= MAXHITDISTANCE).
OrderBy(o => (o.Position - ray.Origin).LengthSquared).
FirstOrDefault();
// Sooooon :)
//hit?.Index;
Dot dot = hit == null ? (Dot)null : hit.Dot;
return Tuple.Create(dot, ray);
}
private static Tuple<Dot, Vector3D>[] GetForces(DotVisuals dots, bool useOutput, double mult)
{
// Figure out which set of distances to use
var distances = useOutput ? dots.Distances_Output : dots.Distances_Input;
#region Calculate forces
Tuple<Dot, Vector3D>[] forces = distances.
//AsParallel(). //TODO: if distances.Length > threshold, do this in parallel
SelectMany(o =>
{
// Spring from 1 to 2
Vector3D spring = o.Item2.Position - o.Item1.Position;
double springLength = spring.Length;
double difference = o.Item3 - springLength;
difference *= mult;
if (Math1D.IsNearZero(springLength))
{
spring = Math3D.GetRandomVector_Spherical_Shell(Math.Abs(difference));
}
else
{
spring = spring.ToUnit() * Math.Abs(difference);
}
if (difference > 0)
{
// Gap needs to be bigger, push them away (default is closing the gap)
spring = -spring;
}
return new[]
{
Tuple.Create(o.Item1, spring),
Tuple.Create(o.Item2, -spring)
};
}).
ToArray();
#endregion
// Give them a very slight pull toward the origin so that the cloud doesn't drift away
Point3D center = Math3D.GetCenter(dots.Dots.Select(o => o.Position));
double centerMult = mult * -5;
Vector3D centerPullForce = center.ToVector() * centerMult;
// Group by dot
var grouped = forces.
GroupBy(o => o.Item1.Token);
return grouped.
Select(o =>
{
Vector3D sum = centerPullForce;
Dot dot = null;
foreach (var force in o)
{
dot = force.Item1;
sum += force.Item2;
}
return Tuple.Create(dot, sum);
}).
ToArray();
}
private void EnsureDotsCreated()
{
if (_dots == null)
{
_dots = new DotVisuals();
_viewport.Children.Add(_dots.Visual);
}
foreach (var sketch in _vectorImages)
{
EnsureDotCreated(sketch);
}
}
/// <summary>
/// This wipes out everything (call this when loading a new session)
/// </summary>
public void Clear()
{
_network = null;
_networkInputs = null;
_networkOutputs = null;
_vectorImages.Clear();
if (_dots != null)
{
_viewport.Children.Remove(_dots.Visual);
_dots = null;
}
}
private static Tuple <Dot, Vector3D>[] GetForces(DotVisuals dots, bool useOutput, double mult)
{
// Figure out which set of distances to use
var distances = useOutput ? dots.Distances_Output : dots.Distances_Input;
#region Calculate forces
Tuple <Dot, Vector3D>[] forces = distances.
//AsParallel(). //TODO: if distances.Length > threshold, do this in parallel
SelectMany(o =>
{
// Spring from 1 to 2
Vector3D spring = o.Item2.Position - o.Item1.Position;
double springLength = spring.Length;
double difference = o.Item3 - springLength;
difference *= mult;
if (Math1D.IsNearZero(springLength))
{
spring = Math3D.GetRandomVector_Spherical_Shell(Math.Abs(difference));
}
else
{
spring = spring.ToUnit() * Math.Abs(difference);
}
if (difference > 0)
{
// Gap needs to be bigger, push them away (default is closing the gap)
spring = -spring;
}
return(new[]
{
Tuple.Create(o.Item1, spring),
Tuple.Create(o.Item2, -spring)
});
}).
ToArray();
#endregion
// Give them a very slight pull toward the origin so that the cloud doesn't drift away
Point3D center = Math3D.GetCenter(dots.Dots.Select(o => o.Position));
double centerMult = mult * -5;
Vector3D centerPullForce = center.ToVector() * centerMult;
// Group by dot
var grouped = forces.
GroupBy(o => o.Item1.Token);
return(grouped.
Select(o =>
{
Vector3D sum = centerPullForce;
Dot dot = null;
foreach (var force in o)
{
dot = force.Item1;
sum += force.Item2;
}
return Tuple.Create(dot, sum);
}).
ToArray());
}
