public IntermediateMeshGenerator Append(IntermediateMeshGenerator intermediate)
{
var count = Vertices.Count;
Vertices.AddRange(intermediate.Vertices.Select(v => v.Copy()));
Normals.AddRange(intermediate.Normals.Select(n => n.Copy()));
Triangles.AddRange(intermediate.Triangles.Select(t => new Index3i(t.a + count, t.b + count, t.c + count)));
return(this);
}
void Complete(IntermediateMeshGenerator intermediate)
{
vertices = new VectorArray3d(intermediate.Vertices.Count);
normals = new VectorArray3f(intermediate.Normals.Count);
triangles = new IndexArray3i(intermediate.Triangles.Count);
for (int idx = 0; idx < intermediate.Vertices.Count; idx++)
{
vertices[idx] = intermediate.Vertices[idx];
}
for (int idx = 0; idx < intermediate.Normals.Count; idx++)
{
normals[idx] = intermediate.Normals[idx];
}
for (int idx = 0; idx < intermediate.Triangles.Count; idx++)
{
triangles[idx] = intermediate.Triangles[idx];
}
}
public IntermediateMeshGenerator Generate(int segIdx)
{
var angle = Context.Config.SegmentAngle(segIdx);
var plateSegmentGenerator = Context.Plate2d;
InnerBendTopCorner = plateSegmentGenerator.InnerBendCorner.rotate2d(angle).to3d(Context.Config.plateHeight / 2);
OuterBendUpTopCorner = plateSegmentGenerator.OuterUpCornerPoint.rotate2d(angle).to3d(Context.Config.plateHeight / 2);
OuterBendDownTopCorner = plateSegmentGenerator.OuterDownCornerPoint.rotate2d(angle).to3d(Context.Config.plateHeight / 2);
InnerBendBottomCorner = plateSegmentGenerator.InnerBendCorner.rotate2d(angle).to3d(-Context.Config.plateHeight / 2);
OuterBendUpBottomCorner = plateSegmentGenerator.OuterUpCornerPoint.rotate2d(angle).to3d(-Context.Config.plateHeight / 2);
OuterBendDownBottomCorner = plateSegmentGenerator.OuterDownCornerPoint.rotate2d(angle).to3d(-Context.Config.plateHeight / 2);
var topSeg = new IntermediateMeshGenerator();
topSeg.Append(plateSegmentGenerator.Intermediate);
topSeg.Offset(new Vector3d(0, 0, Context.Config.plateHeight / 2));
topSeg.Rotate(angle);
Intermediate.Append(topSeg);
var bottomSeg = new IntermediateMeshGenerator();
bottomSeg.Append(plateSegmentGenerator.Intermediate);
bottomSeg.Offset(new Vector3d(0, 0, -Context.Config.plateHeight / 2));
bottomSeg.Rotate(angle);
bottomSeg.ReverseTriagles();
Intermediate.Append(bottomSeg);
// build inner surfaces for bends
var sets = new[]
{
plateSegmentGenerator.InnerBendPoints,
plateSegmentGenerator.OuterUpBendPoints,
plateSegmentGenerator.OuterDownBendPoints
};
foreach (var set in sets)
{
var setMesh = new IntermediateMeshGenerator();
setMesh.Extrude(set, Context.Config.plateHeight);
setMesh.Rotate(angle);
Intermediate.Append(setMesh);
}
// outer surface
var outerSurfaceMesh = new IntermediateMeshGenerator();
outerSurfaceMesh.Extrude(plateSegmentGenerator.OuterSurfaceNearPoints, Context.Config.plateHeight);
outerSurfaceMesh.Rotate(angle);
Intermediate.Append(outerSurfaceMesh);
var upSurfaceMesh = new IntermediateMeshGenerator();
upSurfaceMesh.Extrude(new List <Vector2d>()
{
plateSegmentGenerator.OuterBendUpTouchPoint, plateSegmentGenerator.InnerBendUpTouchPoint
}, Context.Config.plateHeight);
upSurfaceMesh.Rotate(angle);
Intermediate.Append(upSurfaceMesh);
var downSurfaceMesh = new IntermediateMeshGenerator();
downSurfaceMesh.Extrude(new List <Vector2d>()
{
plateSegmentGenerator.InnerBendDownTouchPoint, plateSegmentGenerator.OuterBendDownTouchPoint
}, Context.Config.plateHeight);
downSurfaceMesh.Rotate(angle);
Intermediate.Append(downSurfaceMesh);
return(Intermediate);
}
public IntermediateMeshGenerator Generate()
{
var plateSegmentGenerator = Context.Plate2d;
var cornerPoints = Context
.SegmentIndexes
.Select(idx => plateSegmentGenerator.InnerBendCorner.rotate2d(Context.Config.SegmentAngle(idx)))
.ToList();
if (Context.Config.spindelRadius == 0)
{
for (var idx = 0; idx < cornerPoints.Count; idx++)
{
var nextIdx = (idx + 1) % cornerPoints.Count;
Intermediate.counterClockwiseSingleSidedFromFront(
Vector2d.Zero.to3d(Context.halfPlateHeight),
cornerPoints[idx].to3d(Context.halfPlateHeight),
cornerPoints[nextIdx].to3d(Context.halfPlateHeight)
);
Intermediate.counterClockwiseSingleSidedFromFront(
Vector2d.Zero.to3d(-Context.halfPlateHeight),
cornerPoints[nextIdx].to3d(-Context.halfPlateHeight),
cornerPoints[idx].to3d(-Context.halfPlateHeight)
);
}
return(Intermediate);
}
List <Vector2d> spindelPoints = new List <Vector2d>();
if (Context.Config.spindelCut == 0)
{
spindelPoints = Generators.counterClockwiseCirclePoints(
Context.Config.spindelPoints,
Vector2d.Zero,
Context.Config.spindelRadius
);
/*
* Intermediate.Extrude(spindelPoints, Context.Config.plateHeight, true);
*
* var nearestDistanceIndexes = cornerPoints.Select(point =>
* {
* var distances = spindelPoints.Select(p => p.Distance(point)).ToList();
* var nearestPointIndex = distances.FindIndex(d => d == distances.Min());
* return nearestPointIndex;
* }).ToList();
*
* for (var idx = 0; idx < cornerPoints.Count; idx++)
* {
* var nearestPointIndex = nearestDistanceIndexes[idx];
*
* var nextIdx = (idx + 1) % cornerPoints.Count;
* var nextNearestPointIndex = nearestDistanceIndexes[nextIdx];
*
* var polygonPoints = new List<Vector2d>();
* polygonPoints.AddRange(
* new []
* {
* cornerPoints[idx],
* cornerPoints[nextIdx]
* });
*
* var spindelPart = new List<Vector2d>();
* var pointsToTake = nextNearestPointIndex < nearestPointIndex
* ? nextNearestPointIndex + spindelPoints.Count - nearestPointIndex + 1
* : nextNearestPointIndex - nearestPointIndex + 1;
*
* spindelPart = Enumerable.Range(nearestPointIndex, pointsToTake)
* .Select(i => spindelPoints[i % spindelPoints.Count])
* .Reverse()
* .ToList();
*
* polygonPoints.AddRange(spindelPart);
*
* var polygonizer = new TriangulatedPolygonGenerator()
* {
* Polygon = new GeneralPolygon2d( new Polygon2d(polygonPoints) )
* };
* polygonizer.Generate();
*
* var polygonMesh = new IntermediateMeshGenerator();
* polygonMesh.Append(polygonizer);
*
* Intermediate.Append(new IntermediateMeshGenerator().Append(polygonMesh).Offset(new Vector3d(0, 0, Context.halfPlateHeight)));
* Intermediate.Append(new IntermediateMeshGenerator().Append(polygonMesh).Offset(new Vector3d(0, 0, -Context.halfPlateHeight)).ReverseTriagles());
* }
*/
}
else
{
var spindelCutX = Context.Config.spindelRadius - Context.Config.spindelCut;
var cutItx = Intersector.CircelLineIntersection(
Vector2d.Zero,
Context.Config.spindelRadius,
new Vector2d(spindelCutX, 0),
new Vector2d(spindelCutX, 1)
);
spindelPoints = Generators.counterClockwiseCircleSegments(
Context.Config.spindelPoints,
Vector2d.Zero,
cutItx.Single(p => p.y > 0),
cutItx.Single(p => p.y < 0)
);
//Intermediate.Extrude(spindelSegments, Context.Config.plateHeight, true);
}
Intermediate.Extrude(spindelPoints, Context.Config.plateHeight, true);
var nearestDistanceIndexes = cornerPoints.Select(point =>
{
var distances = spindelPoints.Select(p => p.Distance(point)).ToList();
var nearestPointIndex = distances.FindIndex(d => d == distances.Min());
return(nearestPointIndex);
}).ToList();
for (var idx = 0; idx < cornerPoints.Count; idx++)
{
var nearestPointIndex = nearestDistanceIndexes[idx];
var nextIdx = (idx + 1) % cornerPoints.Count;
var nextNearestPointIndex = nearestDistanceIndexes[nextIdx];
var polygonPoints = new List <Vector2d>();
polygonPoints.AddRange(
new[]
{
cornerPoints[idx],
cornerPoints[nextIdx]
});
var spindelPart = new List <Vector2d>();
var pointsToTake = nextNearestPointIndex < nearestPointIndex
? nextNearestPointIndex + spindelPoints.Count - nearestPointIndex + 1
: nextNearestPointIndex - nearestPointIndex + 1;
spindelPart = Enumerable.Range(nearestPointIndex, pointsToTake)
.Select(i => spindelPoints[i % spindelPoints.Count])
.Reverse()
.ToList();
polygonPoints.AddRange(spindelPart);
var polygonizer = new TriangulatedPolygonGenerator()
{
Polygon = new GeneralPolygon2d(new Polygon2d(polygonPoints))
};
polygonizer.Generate();
var polygonMesh = new IntermediateMeshGenerator();
polygonMesh.Append(polygonizer);
Intermediate.Append(new IntermediateMeshGenerator().Append(polygonMesh).Offset(new Vector3d(0, 0, Context.halfPlateHeight)));
Intermediate.Append(new IntermediateMeshGenerator().Append(polygonMesh).Offset(new Vector3d(0, 0, -Context.halfPlateHeight)).ReverseTriagles());
}
return(Intermediate);
}
