private static void GetMultiRingedTubeSprtBetweenRingsSprtTube_ORIG(ref int pointOffset, MeshGeometry3D geometry, int numSides, Point[] points, TubeRingDefinition_ORIG ring1, TubeRingDefinition_ORIG ring2, double z)
{
#region Add points and normals
#region Determine 3D positions (they are referenced a lot, so just calculating them once
Point3D[] sidePoints1 = new Point3D[numSides];
Point3D[] sidePoints2 = new Point3D[numSides];
for (int cntr = 0; cntr < numSides; cntr++)
{
sidePoints1[cntr] = new Point3D(ring1.RadiusX * points[cntr].X, ring1.RadiusY * points[cntr].Y, z);
sidePoints2[cntr] = new Point3D(ring2.RadiusX * points[cntr].X, ring2.RadiusY * points[cntr].Y, z + ring2.DistFromPrevRing);
}
#endregion
#region Determine normals
Vector3D v1, v2;
// The normal at 0 is for the face between 0 and 1. The normal at 1 is the face between 1 and 2, etc.
Vector3D[] sideNormals = new Vector3D[numSides];
for (int cntr = 0; cntr < numSides; cntr++)
{
// (next1 - cur1) x (cur2 - cur1)
if (cntr == numSides - 1)
{
v1 = sidePoints1[0] - sidePoints1[cntr];
}
else
{
v1 = sidePoints1[cntr + 1] - sidePoints1[cntr];
}
v2 = sidePoints2[cntr] - sidePoints1[cntr];
sideNormals[cntr] = Vector3D.CrossProduct(v1, v2);
}
#endregion
#region Commit points/normals
for (int ringCntr = 1; ringCntr <= 2; ringCntr++) // I want all the points in ring1 laid down before doing ring2 (this stays similar to the pyramid method's logic)
{
// Sides - adding the points twice, since 2 triangles will use each point (and each triangle gets its own point)
for (int cntr = 0; cntr < numSides; cntr++)
{
// Even
if (ringCntr == 1)
{
geometry.Positions.Add(sidePoints1[cntr]);
}
else
{
geometry.Positions.Add(sidePoints2[cntr]);
}
// even always selects the previous side's normal
if (cntr == 0)
{
geometry.Normals.Add(sideNormals[numSides - 1]);
}
else
{
geometry.Normals.Add(sideNormals[cntr - 1]);
}
// Odd
if (ringCntr == 1)
{
geometry.Positions.Add(sidePoints1[cntr]);
}
else
{
geometry.Positions.Add(sidePoints2[cntr]);
}
// odd always selects the current side's normal
geometry.Normals.Add(sideNormals[cntr]);
}
}
#endregion
int ring2Start = numSides * 2;
#endregion
#region Add the triangles
for (int cntr = 0; cntr < numSides; cntr++)
//for (int cntr = 0; cntr < 1; cntr++)
{
//--------------Bottom Right Triangle
// Ring 1, bottom left
geometry.TriangleIndices.Add(pointOffset + ((cntr * 2) + 1)); // this will be the second of the pair of points at this location
// Ring 1, bottom right
if (cntr == numSides - 1)
{
geometry.TriangleIndices.Add(pointOffset); // on the last point, so loop back to point zero
}
else
{
geometry.TriangleIndices.Add(pointOffset + ((cntr + 1) * 2)); // this will be the first of the pair of points at the next location
}
// Ring 2, top right (adding twice, because it starts the next triangle)
if (cntr == numSides - 1)
{
geometry.TriangleIndices.Add(pointOffset + ring2Start); // on the last point, so loop back to point zero
geometry.TriangleIndices.Add(pointOffset + ring2Start);
}
else
{
geometry.TriangleIndices.Add(pointOffset + ring2Start + ((cntr + 1) * 2)); // this will be the first of the pair of points at the next location
geometry.TriangleIndices.Add(pointOffset + ring2Start + ((cntr + 1) * 2));
}
//--------------Top Left Triangle
// Ring 2, top left
geometry.TriangleIndices.Add(pointOffset + ring2Start + ((cntr * 2) + 1)); // this will be the second of the pair of points at this location
// Ring 1, bottom left (same as the very first point added in this for loop)
geometry.TriangleIndices.Add(pointOffset + ((cntr * 2) + 1)); // this will be the second of the pair of points at this location
}
#endregion
pointOffset += numSides * 4;
}
private static void GetMultiRingedTubeSprtBetweenRings_ORIG(ref int pointOffset, MeshGeometry3D geometry, int numSides, Point[] points, TubeRingDefinition_ORIG ring1, TubeRingDefinition_ORIG ring2, double z)
{
if (ring1.RingType == TubeRingType_ORIG.Point || ring2.RingType == TubeRingType_ORIG.Point)
{
GetMultiRingedTubeSprtBetweenRingsSprtPyramid_ORIG(ref pointOffset, geometry, numSides, points, ring1, ring2, z);
}
else
{
GetMultiRingedTubeSprtBetweenRingsSprtTube_ORIG(ref pointOffset, geometry, numSides, points, ring1, ring2, z);
}
#region OLD
/*
if (ring1.IsPoint)
{
}
else if (ring2.IsPoint)
{
#region Pyramid 2
#region Add points and normals
// Determine 3D positions (they are referenced a lot, so just calculating them once
Point3D tipPoint = new Point3D(0, 0, z + ring2.DistFromPrevRing);
Point3D[] sidePoints = new Point3D[numSides];
for (int cntr = 0; cntr < numSides; cntr++)
{
sidePoints[cntr] = new Point3D(ring1.SizeX * points[cntr].X, ring1.SizeY * points[cntr].Y, z);
}
Vector3D v1, v2;
// Sides - adding the points twice, since 2 triangles will use each point (and each triangle gets its own point)
for (int cntr = 0; cntr < numSides; cntr++)
{
// Even
geometry.Positions.Add(sidePoints[cntr]);
#region normal
// (tip - cur) x (prev - cur)
v1 = tipPoint.ToVector() - sidePoints[cntr].ToVector();
if (cntr == 0)
{
v2 = sidePoints[sidePoints.Length - 1].ToVector() - sidePoints[0].ToVector();
}
else
{
v2 = sidePoints[cntr - 1].ToVector() - sidePoints[cntr].ToVector();
}
geometry.Normals.Add(Vector3D.CrossProduct(v1, v2));
#endregion
// Odd
geometry.Positions.Add(sidePoints[cntr]);
#region normal
// (next - cur) x (tip - cur)
if (cntr == sidePoints.Length - 1)
{
v1 = sidePoints[0].ToVector() - sidePoints[cntr].ToVector();
}
else
{
v1 = sidePoints[cntr + 1].ToVector() - sidePoints[cntr].ToVector();
}
v2 = tipPoint.ToVector() - sidePoints[cntr].ToVector();
geometry.Normals.Add(Vector3D.CrossProduct(v1, v2));
#endregion
}
int lastPoint = numSides * 2;
// Top point (all triangles use this same one)
geometry.Positions.Add(tipPoint);
// This one is straight up
geometry.Normals.Add(new Vector3D(0, 0, 1));
#endregion
#region Add the triangles
for (int cntr = 0; cntr < numSides; cntr++)
{
geometry.TriangleIndices.Add(pointOffset + ((cntr * 2) + 1)); // this will be the second of the pair of points at this location
if (cntr == numSides - 1)
{
geometry.TriangleIndices.Add(pointOffset); // on the last point, so loop back to point zero
}
else
{
geometry.TriangleIndices.Add(pointOffset + ((cntr + 1) * 2)); // this will be the first of the pair of points at the next location
}
geometry.TriangleIndices.Add(pointOffset + lastPoint); // the tip
}
#endregion
#endregion
}
else
{
}
*/
#endregion
}
private static void GetMultiRingedTubeSprtBetweenRingsSprtPyramid_ORIG(ref int pointOffset, MeshGeometry3D geometry, int numSides, Point[] points, TubeRingDefinition_ORIG ring1, TubeRingDefinition_ORIG ring2, double z)
{
#region Add points and normals
#region Determine 3D positions (they are referenced a lot, so just calculating them once
Point3D tipPoint;
Vector3D tipNormal;
double sideZ, sizeX, sizeY;
if (ring1.RingType == TubeRingType_ORIG.Point)
{
// Upside down pyramid
tipPoint = new Point3D(0, 0, z);
tipNormal = new Vector3D(0, 0, -1);
sideZ = z + ring2.DistFromPrevRing;
sizeX = ring2.RadiusX;
sizeY = ring2.RadiusY;
}
else
{
// Rightside up pyramid
tipPoint = new Point3D(0, 0, z + ring2.DistFromPrevRing);
tipNormal = new Vector3D(0, 0, 1);
sideZ = z;
sizeX = ring1.RadiusX;
sizeY = ring1.RadiusY;
}
Point3D[] sidePoints = new Point3D[numSides];
for (int cntr = 0; cntr < numSides; cntr++)
{
sidePoints[cntr] = new Point3D(sizeX * points[cntr].X, sizeY * points[cntr].Y, sideZ);
}
#endregion
Vector3D v1, v2;
// Sides - adding the points twice, since 2 triangles will use each point (and each triangle gets its own point)
for (int cntr = 0; cntr < numSides; cntr++)
{
// Even
geometry.Positions.Add(sidePoints[cntr]);
#region normal
// (tip - cur) x (prev - cur)
v1 = tipPoint.ToVector() - sidePoints[cntr].ToVector();
if (cntr == 0)
{
v2 = sidePoints[sidePoints.Length - 1].ToVector() - sidePoints[0].ToVector();
}
else
{
v2 = sidePoints[cntr - 1].ToVector() - sidePoints[cntr].ToVector();
}
geometry.Normals.Add(Vector3D.CrossProduct(v1, v2));
#endregion
// Odd
geometry.Positions.Add(sidePoints[cntr]);
#region normal
// (next - cur) x (tip - cur)
if (cntr == sidePoints.Length - 1)
{
v1 = sidePoints[0].ToVector() - sidePoints[cntr].ToVector();
}
else
{
v1 = sidePoints[cntr + 1].ToVector() - sidePoints[cntr].ToVector();
}
v2 = tipPoint.ToVector() - sidePoints[cntr].ToVector();
geometry.Normals.Add(Vector3D.CrossProduct(v1, v2));
#endregion
}
int lastPoint = numSides * 2;
//TODO: This is wrong, each triangle should have its own copy of the point with the normal the same as the 2 base points
// Top point (all triangles use this same one)
geometry.Positions.Add(tipPoint);
// This one is straight up
geometry.Normals.Add(tipNormal);
#endregion
#region Add the triangles
for (int cntr = 0; cntr < numSides; cntr++)
{
geometry.TriangleIndices.Add(pointOffset + ((cntr * 2) + 1)); // this will be the second of the pair of points at this location
if (cntr == numSides - 1)
{
geometry.TriangleIndices.Add(pointOffset); // on the last point, so loop back to point zero
}
else
{
geometry.TriangleIndices.Add(pointOffset + ((cntr + 1) * 2)); // this will be the first of the pair of points at the next location
}
geometry.TriangleIndices.Add(pointOffset + lastPoint); // the tip
}
#endregion
pointOffset += lastPoint + 1;
}
private static void GetMultiRingedTubeSprtEndCap_ORIG(ref int pointOffset, MeshGeometry3D geometry, int numSides, Point[] points, TubeRingDefinition_ORIG ring, bool isFirst, double z)
{
#region Figure out the normal
Vector3D normal;
if (isFirst)
{
// The first is in the negative Z, so the normal points down
// For some reason, it's backward from what I think it should be
normal = new Vector3D(0, 0, 1);
}
else
{
normal = new Vector3D(0, 0, 1);
}
#endregion
#region Add points and normals
for (int cntr = 0; cntr < numSides; cntr++)
{
double x = ring.RadiusX * points[cntr].X;
double y = ring.RadiusY * points[cntr].Y;
geometry.Positions.Add(new Point3D(x, y, z));
geometry.Normals.Add(normal);
}
#endregion
#region Add the triangles
// Start with 0,1,2
geometry.TriangleIndices.Add(pointOffset + 0);
geometry.TriangleIndices.Add(pointOffset + 1);
geometry.TriangleIndices.Add(pointOffset + 2);
int lowerIndex = 2;
int upperIndex = numSides - 1;
int lastUsedIndex = 0;
bool shouldBumpLower = true;
// Do the rest of the triangles
while (lowerIndex < upperIndex)
{
geometry.TriangleIndices.Add(pointOffset + lowerIndex);
geometry.TriangleIndices.Add(pointOffset + upperIndex);
geometry.TriangleIndices.Add(pointOffset + lastUsedIndex);
if (shouldBumpLower)
{
lastUsedIndex = lowerIndex;
lowerIndex++;
}
else
{
lastUsedIndex = upperIndex;
upperIndex--;
}
shouldBumpLower = !shouldBumpLower;
}
#endregion
pointOffset += numSides;
}
