private static TriangleIndexed[] GetModel_Composite_IndentedTriangles(Rhombicuboctahedron ball, double depth)
{
List <Point3D> points = new List <Point3D>();
List <Tuple <int, int, int> > triangles = new List <Tuple <int, int, int> >();
int index = 0;
foreach (TriangleIndexed triangle in ball.Triangles)
{
Vector3D offset = triangle.NormalUnit * -depth;
points.Add(triangle.Point0 + offset);
points.Add(triangle.Point1 + offset);
points.Add(triangle.Point2 + offset);
//TODO: May need to wind these the other direction at times
triangles.Add(Tuple.Create(index + 0, index + 1, index + 2));
index += 3;
}
Point3D[] allPoints = points.ToArray();
return(triangles.Select(o => new TriangleIndexed(o.Item1, o.Item2, o.Item3, allPoints)).ToArray());
}
private static TriangleIndexed[] GetModel_Composite_SquareSides(Rhombicuboctahedron ball, double depth)
{
List <TriangleIndexed> retVal = new List <TriangleIndexed>();
foreach (int[] square in UtilityCore.Iterate(ball.SquarePolys_Orth, ball.SquarePolys_Diag))
{
Point3D[] initialPoints = square.Select(o => ball.AllPoints[o]).ToArray();
Vector3D offset = Math2D.GetPolygonNormal(initialPoints, PolygonNormalLength.Unit) * -depth;
for (int cntr = 0; cntr < square.Length - 1; cntr++)
{
retVal.AddRange(GetModel_Composite_SquareSides_Side(initialPoints[cntr], initialPoints[cntr + 1], offset, depth));
}
retVal.AddRange(GetModel_Composite_SquareSides_Side(initialPoints[square.Length - 1], initialPoints[0], offset, depth));
}
return(retVal.ToArray());
}
private static Model3DGroup GetModel_Composite(WeaponSpikeBallDNA dna, WeaponSpikeBallDNA finalDNA, WeaponMaterialCache materials)
{
Model3DGroup retVal = new Model3DGroup();
Random rand = StaticRandom.GetRandomForThread();
var from = dna.KeyValues;
var to = finalDNA.KeyValues;
double spikeOrthLength = WeaponDNA.GetKeyValue("spikeOrthLength", from, to, rand.NextPercent(dna.Radius * 1.4d, .1));
double spikeDiagLength = WeaponDNA.GetKeyValue("spikeDiagLength", from, to, rand.NextPercent(dna.Radius * 1.15d, .05));
double ballRadius = dna.Radius;
double spikeOrthRadius = WeaponDNA.GetKeyValue("spikeOrthRadius", from, to, rand.NextPercent(dna.Radius * .5, .1));
double spikeDiagRadius = WeaponDNA.GetKeyValue("spikeDiagRadius", from, to, rand.NextPercent(dna.Radius * .5, .1));
double ballRadiusDepth = ballRadius * .1; //this is how far the triangle parts of the ball sink in
var color = WeaponMaterialCache.GetComposite(dna.MaterialsForCustomizable);
finalDNA.MaterialsForCustomizable = color.Item4;
GeometryModel3D geometry;
#region Ball - outer
geometry = new GeometryModel3D();
geometry.Material = color.Item1;
geometry.BackMaterial = color.Item1;
Rhombicuboctahedron ball = UtilityWPF.GetRhombicuboctahedron(ballRadius * 2, ballRadius * 2, ballRadius * 2);
TriangleIndexed[] usedTriangles = UtilityCore.Iterate(
ball.Squares_Orth.SelectMany(o => o),
ball.Squares_Diag.SelectMany(o => o),
GetModel_Composite_SquareSides(ball, ballRadiusDepth * 1.1) // this builds plates that go toward the center of the ball, because the triangles are indented
).ToArray();
geometry.Geometry = UtilityWPF.GetMeshFromTriangles_IndependentFaces(usedTriangles);
retVal.Children.Add(geometry);
#endregion
#region Ball - inner
geometry = new GeometryModel3D();
geometry.Material = color.Item2;
geometry.BackMaterial = color.Item2;
// Use the triangles, but suck them in a bit
geometry.Geometry = UtilityWPF.GetMeshFromTriangles_IndependentFaces(GetModel_Composite_IndentedTriangles(ball, ballRadiusDepth));
retVal.Children.Add(geometry);
#endregion
#region Spikes
var spikeLocations = UtilityCore.Iterate(ball.SquarePolys_Orth.Select(o => Tuple.Create(true, o)), ball.SquarePolys_Diag.Select(o => Tuple.Create(false, o))).
Select(o => new { IsOrth = o.Item1, Center = Math3D.GetCenter(o.Item2.Select(p => ball.AllPoints[p])).ToVector() });
// Put a spike through the center of each square
foreach (var spikeLocation in spikeLocations)
{
geometry = new GeometryModel3D();
geometry.Material = color.Item3;
geometry.BackMaterial = color.Item3;
RotateTransform3D transform = new RotateTransform3D(new QuaternionRotation3D(Math3D.GetRotation(new Vector3D(0, 0, 1), spikeLocation.Center))); // the tube builds along z
List <TubeRingBase> rings = new List <TubeRingBase>();
double spikeLengthActual = spikeLocation.IsOrth ? spikeOrthLength : spikeDiagLength;
double spikeRadiusActual = spikeLocation.IsOrth ? spikeOrthRadius : spikeDiagRadius;
rings.Add(new TubeRingRegularPolygon(0, false, spikeRadiusActual, spikeRadiusActual, false));
rings.Add(new TubeRingPoint(spikeLengthActual, false));
geometry.Geometry = UtilityWPF.GetMultiRingedTube(9, rings, true, false, transform);
retVal.Children.Add(geometry);
}
#endregion
return(retVal);
}