private static Model3D[] CreateIcons_Rotate(double arcRadius, double arcThickness, double arrowThickness, double sphereRadius)
{
const int NUMSIDES_TOTAL = 13;
const int NUMSIDES_USE = 9;
#region create triangles
Point[] pointsTheta = Math2D.GetCircle_Cached(NUMSIDES_TOTAL);
var circlePoints = pointsTheta.
Select(o => GetCirclePoints(o, arcRadius, arcThickness, sphereRadius)).
ToArray();
List <Triangle> triangles = new List <Triangle>();
for (int cntr = 0; cntr < NUMSIDES_USE - 1; cntr++)
{
triangles.Add(new Triangle(circlePoints[cntr].inner, circlePoints[cntr].outer, circlePoints[cntr + 1].inner));
triangles.Add(new Triangle(circlePoints[cntr].outer, circlePoints[cntr + 1].outer, circlePoints[cntr + 1].inner));
}
int i1 = NUMSIDES_USE - 1;
int i2 = NUMSIDES_USE;
var arrowBase = GetCirclePoints(pointsTheta[i1], arcRadius, arrowThickness, sphereRadius);
var arrowTip = GetCirclePoints(pointsTheta[i2], arcRadius, arcThickness * .75, sphereRadius); //NOTE: Not using mid, because that curls the arrow too steeply (looks odd). So using outer as a comprimise between pointing in and pointing straight
triangles.Add(new Triangle(arrowBase.inner, circlePoints[i1].inner, arrowTip.outer));
triangles.Add(new Triangle(circlePoints[i1].inner, circlePoints[i1].outer, arrowTip.outer));
triangles.Add(new Triangle(circlePoints[i1].outer, arrowBase.outer, arrowTip.outer));
// It would be more efficient to build the link triangles directly, but a lot more logic
ITriangleIndexed[] indexedTriangles = TriangleIndexed.ConvertToIndexed(triangles.ToArray());
#endregion
List <Model3D> retVal = new List <Model3D>();
MaterialGroup material = new MaterialGroup();
material.Children.Add(new DiffuseMaterial(new SolidColorBrush(WorldColors.ImpulseEngine_Icon_Color)));
material.Children.Add(WorldColors.ImpulseEngine_Icon_Specular);
material.Children.Add(WorldColors.ImpulseEngine_Icon_Emissive);
foreach (Transform3D transform in GetRotations_Tetrahedron(sphereRadius))
{
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = material;
geometry.BackMaterial = material;
geometry.Geometry = UtilityWPF.GetMeshFromTriangles(indexedTriangles);
geometry.Transform = transform;
retVal.Add(geometry);
}
return(retVal.ToArray());
}
private void BuildTerrain()
{
// Figure out where the extra ring of points should go
double radius = BuildTerrainSprtRadius(_neurons.Select(o => o.Position.ToPoint2D()).ToArray());
// Figure out how many extra points to make
int numExtra = BuildTerrainSprtNumExtra(_neurons.Length);
// Lay down all the points into a single array
_terrainPoints = UtilityCore.Iterate(
_neurons.Select(o => o.Position), // first points are the neuron's locations (don't worry about Z right now, they will change each update)
Math2D.GetCircle_Cached(numExtra).Select(o => new Point3D(o.X * radius, o.Y * radius, 0)) // tack on a bunch of points around the edge
).ToArray();
// Get the delaunay of these points
TriangleIndexed[] triangles = Math2D.GetDelaunayTriangulation(_terrainPoints.Select(o => o.ToPoint2D()).ToArray(), _terrainPoints);
// Convert into linked triangles
List <TriangleIndexedLinked> trianglesLinked = triangles.Select(o => new TriangleIndexedLinked(o.Index0, o.Index1, o.Index2, o.AllPoints)).ToList();
TriangleIndexedLinked.LinkTriangles_Edges(trianglesLinked, true);
_terrainTriangles = trianglesLinked.ToArray();
}
private static Model3DGroup GetModel_WoodIron(WeaponSpikeBallDNA dna, WeaponSpikeBallDNA finalDNA, WeaponMaterialCache materials)
{
Model3DGroup retVal = new Model3DGroup();
Random rand = StaticRandom.GetRandomForThread();
var from = dna.KeyValues;
var to = finalDNA.KeyValues;
double spikeLength = dna.Radius * 1.4d;
double ballRadius = dna.Radius * 1d;
double spikeRadius = dna.Radius * .2;
#region Ball
System.Windows.Media.Media3D.Material material = materials.Ball_Wood; // the property get returns a slightly random color
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = material;
geometry.BackMaterial = material;
// Create a convex hull out of semi evenly distibuted points
int numHullPoints = Convert.ToInt32(WeaponDNA.GetKeyValue("numHullPoints", from, to, rand.Next(20, 50)));
TriangleIndexed[] ball = Math3D.GetConvexHull(Math3D.GetRandomVectors_SphericalShell_EvenDist(numHullPoints, ballRadius, .03, 10).Select(o => o.ToPoint()).ToArray());
geometry.Geometry = UtilityWPF.GetMeshFromTriangles(ball);
retVal.Children.Add(geometry);
#endregion
// These are placed where the rings are, to push spikes away (so that spikes don't poke through the rings)
List <Vector3D> staticPoints = new List <Vector3D>();
#region Rings
material = materials.Spike_Iron; // the property get returns a slightly random color
// 0, 1 or 2 rings. Higher chance of 0 than 2
int numRings = Convert.ToInt32(WeaponDNA.GetKeyValue("numRings", from, to, Math.Floor(rand.NextPow(2, 2.3))));
double[] zs = new double[0];
switch (numRings)
{
case 0:
break;
case 1:
zs = new double[] { WeaponDNA.GetKeyValue("ringZ1", from, to, Math1D.GetNearZeroValue(ballRadius * .75)) };
break;
case 2:
double z1 = WeaponDNA.GetKeyValue("ringZ1", from, to, Math1D.GetNearZeroValue(ballRadius * .75));
double z2 = 0;
if (from == null || !from.TryGetValue("ringZ2", out z2))
{
do
{
z2 = Math1D.GetNearZeroValue(ballRadius * .75);
} while (Math.Abs(z1 - z2) < ballRadius * .4);
to.Add("ringZ2", z2);
}
zs = new double[] { z1, z2 };
break;
default:
throw new ApplicationException("Unexpected number of rings: " + numRings.ToString());
}
// Build the rings at the z offsets that were calculated above
for (int cntr = 0; cntr < zs.Length; cntr++)
{
retVal.Children.Add(GetModel_WoodIron_Ring_Band(ballRadius, zs[cntr], material, ball, from, to, "ringZ" + cntr.ToString()));
// Store points at the rings
double ringRadiusAvg = Math.Sqrt((ballRadius * ballRadius) - (zs[cntr] * zs[cntr]));
staticPoints.AddRange(Math2D.GetCircle_Cached(7).Select(o => (o.ToVector() * ringRadiusAvg).ToVector3D(zs[cntr])));
}
#endregion
#region Spikes
Vector3D[] staticPointsArr = staticPoints.Count == 0 ? null : staticPoints.ToArray();
double[] staticRepulse = staticPoints.Count == 0 ? null : Enumerable.Range(0, staticPoints.Count).Select(o => .005d).ToArray();
int numSpikes = Convert.ToInt32(WeaponDNA.GetKeyValue("numSpikes", from, to, rand.Next(8, 14)));
Vector3D[] spikeLocations;
if (from != null && from.ContainsKey("spikeLoc0X"))
{
spikeLocations = new Vector3D[numSpikes];
for (int cntr = 0; cntr < numSpikes; cntr++)
{
string prefix = "spikeLoc" + cntr.ToString();
spikeLocations[cntr] = new Vector3D(to[prefix + "X"], to[prefix + "Y"], to[prefix + "Z"]);
}
}
else
{
spikeLocations = Math3D.GetRandomVectors_SphericalShell_EvenDist(numSpikes, ballRadius, .03, 10, null, staticPointsArr, staticRepulse);
for (int cntr = 0; cntr < numSpikes; cntr++)
{
string prefix = "spikeLoc" + cntr.ToString();
to.Add(prefix + "X", spikeLocations[cntr].X);
to.Add(prefix + "Y", spikeLocations[cntr].Y);
to.Add(prefix + "Z", spikeLocations[cntr].Z);
}
}
for (int cntr = 0; cntr < spikeLocations.Length; cntr++)
{
material = materials.Spike_Iron; // the property get returns a slightly random color
geometry = new GeometryModel3D();
geometry.Material = material;
geometry.BackMaterial = material;
RotateTransform3D transform = new RotateTransform3D(new QuaternionRotation3D(Math3D.GetRotation(new Vector3D(0, 0, 1), spikeLocations[cntr]))); // the tube builds along z
List <TubeRingBase> rings = new List <TubeRingBase>();
double spikeRadiusA = WeaponDNA.GetKeyValue("spikeRad" + cntr.ToString(), from, to, rand.NextPercent(spikeRadius, .33));
rings.Add(new TubeRingRegularPolygon(0, false, spikeRadiusA, spikeRadiusA, false));
rings.Add(new TubeRingPoint(WeaponDNA.GetKeyValue("spikeLen" + cntr.ToString(), from, to, rand.NextDouble(spikeLength * .9, spikeLength * 1.1)), false));
int numSegments = Convert.ToInt32(WeaponDNA.GetKeyValue("spikeSegs" + cntr.ToString(), from, to, rand.Next(3, 6)));
bool isSoft = Math1D.IsNearZero(WeaponDNA.GetKeyValue("spikeSoft" + cntr.ToString(), from, to, rand.Next(2)));
geometry.Geometry = UtilityWPF.GetMultiRingedTube(numSegments, rings, isSoft, false, transform);
retVal.Children.Add(geometry);
}
#endregion
return(retVal);
}