public override bool enterStem(CS_Stem stem)
{
foreach (CS_SegmentImpl seg in stem.getSections())
{
if (seg.getSubsegmentCount() == 1)
{
DXSKV v0, v1;
Vector3 cv0 = seg.getLowerPosition();
Vector3 cv1 = seg.getUpperPosition();
// the tree is caculated in openGL coordinates with Z "up" so...
v0.P = new Vector3(cv0.X, cv0.Z, cv0.Y);
v1.P = new Vector3(cv1.X, cv1.Z, cv1.Y);
v0.C = colors[Math.Min(3, stem.getLevel())];
v1.C = colors[Math.Min(3, stem.getLevel())];
BBox.Maximum = Vector3.Max(BBox.Maximum, v0.P);
BBox.Maximum = Vector3.Max(BBox.Maximum, v1.P);
BBox.Minimum = Vector3.Min(BBox.Minimum, v0.P);
BBox.Minimum = Vector3.Min(BBox.Minimum, v1.P);
Vertices2[Math.Min(stem.getLevel(), 3)].Add(v0);
Vertices2[Math.Min(stem.getLevel(), 3)].Add(v1);
}
else
{
Vector3 currPos = seg.getLowerPosition();
for (int subindex = 0; subindex < seg.getSubsegmentCount(); subindex++)
{
DXSKV v0, v1;
v0.P = new Vector3(currPos.X, currPos.Z, currPos.Y);
v1.P = new Vector3(0, 0, 0);
v1.P = seg.subsegments[subindex].getTransformation().apply(v1.P);
currPos = v1.P;
v1.P = new Vector3(v1.P.X, v1.P.Z, v1.P.Y);
v0.C = colors[Math.Min(3, stem.getLevel())];
v1.C = colors[Math.Min(3, stem.getLevel())];
Vertices2[Math.Min(stem.getLevel(), 3)].Add(v0);
Vertices2[Math.Min(stem.getLevel(), 3)].Add(v1);
BBox.Maximum = Vector3.Max(BBox.Maximum, v0.P);
BBox.Maximum = Vector3.Max(BBox.Maximum, v1.P);
BBox.Minimum = Vector3.Min(BBox.Minimum, v0.P);
BBox.Minimum = Vector3.Min(BBox.Minimum, v1.P);
}
}
}
return(true);
}
public override bool enterStem(CS_Stem stem)
{
// 1. Create the first section
bool first = true;
Vector3[] section_base = stem.getSections()[0].getSectionPoints();
AddRangeVector3(section_base, stem.getLevel(), first); first = false;
// 2. for each section but the last one - generate the upper part of the section
// and connect it with triangles to the previous section
// we use the lower section of next segment as upper section of current segment
for (int i = 0; i < stem.getSections().Count; i++)
{
if (stem.getSections()[i].getSubsegmentCount() == 1 && i != stem.getSections().Count - 1)
{
Vector3[] section_next = stem.getSections()[i + 1].getSectionPoints();
AddRangeVector3(section_next, stem.getLevel(), first);
}
else
{
CS_SegmentImpl seg = stem.getSections()[i];
for (int j = 0; j < seg.getSubsegmentCount(); j++)
{
CS_SubsegmentImpl subseg = seg.subsegments[j];
Vector3[] section_next = subseg.getSectionPoints();
AddRangeVector3(section_next, stem.getLevel(), first);
}
}
}
// 3. The last section I don't know how it gets calculated in initial Arbaro implementation :-(
// So I modified getSectionPoints to retrieve explicitely this last section
if (stem.getSections()[stem.getSections().Count - 1].getSubsegmentCount() == 1)
{
Vector3[] section_last = stem.getSections()[stem.getSections().Count - 1].getSectionPoints(false);
AddRangeVector3(section_last, stem.getLevel(), first);
}
return(true);
}
public override bool leaveStem(CS_Stem stem)
{
return(true);
}
public override bool enterStem(CS_Stem stem)
{
// 1. Create the first section
Vector3[] section_base = stem.getSections()[0].getSectionPoints();
List <DXBaseArbaroTreeMesh.DXVertex> dxvv1 = new List <DXBaseArbaroTreeMesh.DXVertex>();
foreach (Vector3 v in section_base)
{
DXBaseArbaroTreeMesh.DXVertex dxv = _meshes[stem.getLevel()].Vertices.Add(new DXArbaroVertexTrait(v));
dxvv1.Add(dxv);
}
// 2. for each section but the last one - generate the upper part of the section
// and connect it with triangles to the previous section
// we use the lower section of next segment as upper section of current segment
for (int i = 0; i < stem.getSections().Count; i++)
{
if (stem.getSections()[i].getSubsegmentCount() == 1 && i != stem.getSections().Count - 1)
{
Vector3[] section_next = stem.getSections()[i + 1].getSectionPoints();
List <DXBaseArbaroTreeMesh.DXVertex> dxvv2 = new List <DXBaseArbaroTreeMesh.DXVertex>();
foreach (Vector3 v in section_next)
{
DXBaseArbaroTreeMesh.DXVertex dxv = _meshes[stem.getLevel()].Vertices.Add(new DXArbaroVertexTrait(v));
dxvv2.Add(dxv);
}
AddRangeVertex(_meshes[stem.getLevel()], dxvv1, dxvv2);
dxvv1 = dxvv2;
}
else
{
CS_SegmentImpl seg = stem.getSections()[i];
for (int j = 0; j < seg.getSubsegmentCount(); j++)
{
CS_SubsegmentImpl subseg = seg.subsegments[j];
Vector3[] section_next = subseg.getSectionPoints();
List <DXBaseArbaroTreeMesh.DXVertex> dxvv2 = new List <DXBaseArbaroTreeMesh.DXVertex>();
foreach (Vector3 v in section_next)
{
DXBaseArbaroTreeMesh.DXVertex dxv = _meshes[stem.getLevel()].Vertices.Add(new DXArbaroVertexTrait(v));
dxvv2.Add(dxv);
}
AddRangeVertex(_meshes[stem.getLevel()], dxvv1, dxvv2);
dxvv1 = dxvv2;
}
}
}
// 3. The last section I don't know how it gets calculated in initial Arbaro implementation :-(
// So I modified getSectionPoints to retrieve explicitely this last section
if (stem.getSections()[stem.getSections().Count - 1].getSubsegmentCount() == 1)
{
Vector3[] section_last = stem.getSections()[stem.getSections().Count - 1].getSectionPoints(false);
List <DXBaseArbaroTreeMesh.DXVertex> dxvv2 = new List <DXBaseArbaroTreeMesh.DXVertex>();
foreach (Vector3 v in section_last)
{
DXBaseArbaroTreeMesh.DXVertex dxv = _meshes[stem.getLevel()].Vertices.Add(new DXArbaroVertexTrait(v));
dxvv2.Add(dxv);
}
AddRangeVertex(_meshes[stem.getLevel()], dxvv1, dxvv2);
}
return(true);
}