/// <summary>
/// Create a cylinder to encapsulate the arrows. The cylinder will
/// be X m/s wide. The cylinder will be transparent so the arrows within
/// can be seen.
/// </summary>
/// <param name="numBins"></param>
/// <returns></returns>
private Model3D CreateCylinder(int numBins)
{
var mb = new MeshBuilder(false, false);
TruncatedConeVisual3D cyl = new TruncatedConeVisual3D(); // This will create a cylinder, basically 2 cones on top of each other
cyl.BaseRadius = CylinderRadius * SCALE_ARROW; // Set the radius of the cylinder based off X m/s using the scale factor
cyl.TopRadius = cyl.BaseRadius; // Set the radius of the cylinder
cyl.Fill = new SolidColorBrush(Color.FromArgb(40, 00, 130, 255)); // Set the color of the cylinder. Make it trasparent
cyl.Origin = new Point3D(0,0,0); // Set the origin of the cylinder as the origin of the plot
if (YAxis)
{
cyl.Normal = new Vector3D(0, 1, 0); // Set the orientation of the cylinder Y Up
cyl.Height = -numBins * TRANSLATION_SCALE; // Set the height based off the number bins and scale (go in the negative direction)
}
else
{
cyl.Normal = new Vector3D(1, 0, 0); // Set the orientation of the cylinder Y Up
cyl.Height = numBins * TRANSLATION_SCALE; // Set the height based off the number bins and scale (go in the Positive direction)
}
return cyl.Content;
}
private void UpdateVisuals()
{
Children.Clear();
if (WindTurbine == null) return;
var baseTower = new TruncatedConeVisual3D
{
Fill = Brushes.Yellow,
Origin = new Point3D(0, 0, -WindTurbine.BaseHeight)
};
baseTower.Height = -baseTower.Origin.Z + 2;
baseTower.BaseRadius = baseTower.TopRadius = WindTurbine.Diameter;
var tower = new TruncatedConeVisual3D
{
Fill = Brushes.White,
Origin = new Point3D(0, 0, 2),
Height = WindTurbine.Height,
BaseRadius = WindTurbine.Diameter
};
tower.TopRadius = tower.BaseRadius * (1 - WindTurbine.Height * Math.Sin(WindTurbine.ShaftAngle / 180.0 * Math.PI));
var nacelle = new TruncatedConeVisual3D
{
Fill = Brushes.White,
Origin = new Point3D(WindTurbine.Overhang, 0, tower.Origin.Z + tower.Height),
Normal = new Vector3D(-1, 0, 0),
TopRadius = WindTurbine.NacelleDiameter
};
nacelle.BaseRadius = nacelle.TopRadius * 0.7;
nacelle.Height = WindTurbine.NacelleLength;
Children.Add(baseTower);
Children.Add(tower);
Children.Add(nacelle);
var endcap = new SphereVisual3D
{
Center = new Point3D(WindTurbine.Overhang - WindTurbine.NacelleLength, 0,
tower.Origin.Z + tower.Height),
Radius = nacelle.TopRadius,
Fill = Brushes.White
};
Children.Add(endcap);
var rotor = new ModelVisual3D();
for (int i = 0; i < WindTurbine.Blades; i++)
{
double angle = (double)i / WindTurbine.Blades * Math.PI * 2;
// todo: the blade is simplified to a cone... it should be a real profile...
var blade = new TruncatedConeVisual3D
{
Origin = nacelle.Origin,
Normal = new Vector3D(0, Math.Cos(angle), Math.Sin(angle)),
Height = WindTurbine.BladeLength,
BaseRadius = WindTurbine.BladeRootChord,
TopRadius = WindTurbine.BladeTipChord,
Fill = Brushes.White
};
rotor.Children.Add(blade);
}
var hub = new SphereVisual3D
{
Fill = Brushes.White,
Center = nacelle.Origin,
Radius = WindTurbine.HubDiameter / 2
};
rotor.Children.Add(hub);
Children.Add(rotor);
var rotation = new AxisAngleRotation3D(new Vector3D(1, 0, 0), 0);
var rotorTransform = new RotateTransform3D(null, hub.Center) { Rotation = rotation };
rotor.Transform = rotorTransform;
var b = new Binding("RotationAngle") { Source = this };
BindingOperations.SetBinding(rotation, AxisAngleRotation3D.AngleProperty, b);
}