public TriangleInfo(Triangle3d triangle, XYZ normal, ColorWithTransparency color, XYZ _offset)
{
this.Triangle = triangle;
Normal = normal;
ColorWithTransparency = color;
this.Offset = _offset;
}
public void AddFaceToBuffer
(Face _face,
XYZ _normal,
ColorWithTransparency _cwt,
XYZ _offset,
bool _transparent)
{
Mesh mesh = _face.Triangulate();
var transFaceBuffer = this.TransFaceBuffer;
var nonTransFaceBuffer = this.NonTransFaceBuffer;
MeshInfo meshInfo = new MeshInfo(mesh, _normal, _cwt, _offset);
if (_transparent)
{
transFaceBuffer.Meshes.Add(meshInfo);
transFaceBuffer.VertexBufferCount += mesh.Vertices.Count;
transFaceBuffer.PrimitiveCount += mesh.NumTriangles;
}
else
{
nonTransFaceBuffer.Meshes.Add(meshInfo);
nonTransFaceBuffer.VertexBufferCount += mesh.Vertices.Count;
nonTransFaceBuffer.PrimitiveCount += mesh.NumTriangles;
}
}
public MeshInfo(Mesh mesh, XYZ normal, ColorWithTransparency color, XYZ _offset)
{
Mesh = mesh;
Normal = normal;
ColorWithTransparency = color;
this.Offset = _offset;
}
public void AddCurveToBuffer
(Curve _curve,
ColorWithTransparency _color,
XYZ _offset)
{
var xyzs = _curve.Tessellate();
AddTessellatedCurveToBuffer(xyzs, _color, _offset);
}
public void AddPointToBuffer
(XYZ _point,
ColorWithTransparency _color,
XYZ _offset)
{
var pointinfo = new PointInfo(_point, _color, _offset);
var buffer = this.PointBuffer;
buffer.Points.Add(pointinfo);
buffer.VertexBufferCount++;
buffer.PrimitiveCount++;
}
public void AddSolidToBuffer
(Solid _solid,
ColorWithTransparency _cwt,
XYZ _offset,
bool _transparent)
{
foreach (Face face in _solid.Faces)
{
var normal = face.Evaluate(new UV(0, 0));
AddFaceToBuffer(face, normal, _cwt, _offset, _transparent);
}
}
public void AddEdgeToBuffer
(Edge _edge,
ColorWithTransparency _color,
XYZ _offset)
{
var xyzs = _edge.Tessellate();
var edgeInfo = new EdgeInfo(xyzs, _color, _offset);
var edgeBuffer = this.EdgeBuffer;
edgeBuffer.Edges.Add(edgeInfo);
edgeBuffer.VertexBufferCount += xyzs.Count;
edgeBuffer.PrimitiveCount += xyzs.Count - 1;
}
public void AddTessellatedCurveToBuffer
(IList <XYZ> _vertices,
ColorWithTransparency _color,
XYZ _offset)
{
var xyzs = _vertices;
var edgeInfo = new EdgeInfo(xyzs, _color, _offset);
var edgeBuffer = this.EdgeBuffer;
edgeBuffer.Edges.Add(edgeInfo);
edgeBuffer.VertexBufferCount += xyzs.Count;
edgeBuffer.PrimitiveCount += xyzs.Count - 1;
}
public void AddTriangleToBuffer
(g3.Triangle3d _triangle,
XYZ _normal,
ColorWithTransparency _cwt,
XYZ _offset,
bool _transparent)
{
var transBuffer = this.TransTriangleBuffer;
var nonTransBuffer = this.NonTransTriangleBuffer;
TriangleInfo triangleInfo = new TriangleInfo(_triangle, _normal, _cwt, _offset);
if (_transparent)
{
transBuffer.Triangles.Add(triangleInfo);
transBuffer.VertexBufferCount += 3;
transBuffer.PrimitiveCount += 1;
}
else
{
nonTransBuffer.Triangles.Add(triangleInfo);
nonTransBuffer.VertexBufferCount += 3;
nonTransBuffer.PrimitiveCount += 1;
}
}
private static RenderData ProcessPrimitive(ILogger logger, glTFLoader.Schema.MeshPrimitive primitive, Gltf gltf, byte[][] buffers, DisplayStyle displayStyle, Outline outline, Transform transform)
{
if (primitive.Mode != MeshPrimitive.ModeEnum.TRIANGLES)
{
logger.Debug("The selected primitive mode is not supported.");
return(null);
}
var indexAccessor = gltf.Accessors[(int)primitive.Indices];
var positionAccessor = gltf.Accessors[primitive.Attributes["POSITION"]];
var normalAccessor = gltf.Accessors[primitive.Attributes["NORMAL"]];
var hasColor = primitive.Attributes.ContainsKey("COLOR_0");
var indexBufferView = gltf.BufferViews[(int)indexAccessor.BufferView];
var positionBufferView = gltf.BufferViews[(int)positionAccessor.BufferView];
var normalBufferView = gltf.BufferViews[(int)normalAccessor.BufferView];
var indices = new List <int>();
for (var i = indexBufferView.ByteOffset; i < indexBufferView.ByteOffset + indexBufferView.ByteLength; i += indexBufferView.ByteStride ?? sizeof(ushort))
{
var index = BitConverter.ToUInt16(buffers[indexBufferView.Buffer], i);
indices.Add(index);
}
var floatSize = sizeof(float);
var positions = new List <XYZ>();
for (var i = positionBufferView.ByteOffset; i < positionBufferView.ByteOffset + positionBufferView.ByteLength; i += positionBufferView.ByteStride ?? (floatSize * 3))
{
// Read x, y, z values
var x = BitConverter.ToSingle(buffers[positionBufferView.Buffer], i);
var y = BitConverter.ToSingle(buffers[positionBufferView.Buffer], i + floatSize);
var z = BitConverter.ToSingle(buffers[positionBufferView.Buffer], i + floatSize * 2);
var pt = new XYZ(Elements.Units.MetersToFeet(x), Elements.Units.MetersToFeet(y), Elements.Units.MetersToFeet(z));
if (transform != null)
{
pt = transform.OfPoint(pt);
}
outline.AddPoint(pt);
positions.Add(pt);
}
var normals = new List <XYZ>();
for (var i = normalBufferView.ByteOffset; i < normalBufferView.ByteOffset + normalBufferView.ByteLength; i += normalBufferView.ByteStride ?? (floatSize * 3))
{
// Read x, y, z values
var x = BitConverter.ToSingle(buffers[normalBufferView.Buffer], i);
var y = BitConverter.ToSingle(buffers[normalBufferView.Buffer], i + floatSize);
var z = BitConverter.ToSingle(buffers[normalBufferView.Buffer], i + floatSize * 2);
var n = new XYZ(x, y, z);
if (transform != null)
{
n = transform.OfVector(n);
}
normals.Add(n);
}
var colors = new List <ColorWithTransparency>();
if (hasColor)
{
var colorAccessor = gltf.Accessors[primitive.Attributes["COLOR_0"]];
var colorBufferView = gltf.BufferViews[(int)colorAccessor.BufferView];
for (var i = colorBufferView.ByteOffset; i < colorBufferView.ByteOffset + colorBufferView.ByteLength; i += colorBufferView.ByteStride ?? (floatSize * 3))
{
// Read x, y, z values
var r = BitConverter.ToSingle(buffers[colorBufferView.Buffer], i);
var g = BitConverter.ToSingle(buffers[colorBufferView.Buffer], i + floatSize);
var b = BitConverter.ToSingle(buffers[colorBufferView.Buffer], i + floatSize * 2);
colors.Add(displayStyle == DisplayStyle.HLR ? new ColorWithTransparency(255, 255, 255, 0) : new ColorWithTransparency((uint)(r * 255), (uint)(g * 255), (uint)(b * 255), 0));
}
}
// The number of vertices will be the same as the length of the indices
// because we'll duplicate vertices at every position.
var numVertices = indices.Count;
var pType = PrimitiveType.TriangleList;
var numPrimitives = indices.Count / 3;
var numIndices = GetPrimitiveSize(pType) * numPrimitives;
VertexFormatBits vertexFormatBits;
switch (displayStyle)
{
case DisplayStyle.HLR:
case DisplayStyle.FlatColors:
vertexFormatBits = VertexFormatBits.PositionColored;
break;
default:
vertexFormatBits = VertexFormatBits.PositionNormalColored;
break;
}
var vertexFormat = new VertexFormat(vertexFormatBits);
var vBuffer = new VertexBuffer(GetVertexSize(vertexFormatBits) * numVertices);
var iBuffer = new IndexBuffer(numIndices);
vBuffer.Map(GetVertexSize(vertexFormatBits) * numVertices);
iBuffer.Map(numIndices);
var verticesFlat = new List <VertexPositionColored>();
var vertices = new List <VertexPositionNormalColored>();
var triangles = new List <IndexTriangle>();
ColorWithTransparency color = null;
if (displayStyle == DisplayStyle.HLR)
{
color = new ColorWithTransparency(255, 255, 255, 0);
}
else if (primitive.Material != null)
{
var material = gltf.Materials[(int)primitive.Material];
var r = (uint)(material.PbrMetallicRoughness.BaseColorFactor[0] * 255);
var g = (uint)(material.PbrMetallicRoughness.BaseColorFactor[1] * 255);
var b = (uint)(material.PbrMetallicRoughness.BaseColorFactor[2] * 255);
var a = (uint)(material.PbrMetallicRoughness.BaseColorFactor[3] * 255);
color = new ColorWithTransparency(r, g, b, a);
}
for (var i = 0; i < indices.Count; i += 3)
{
var ia = indices[i];
var ib = indices[i + 1];
var ic = indices[i + 2];
var a = positions[ia];
var b = positions[ib];
var c = positions[ic];
var na = normals[ia];
var nb = normals[ib];
var nc = normals[ic];
switch (vertexFormatBits)
{
case VertexFormatBits.PositionColored:
if (hasColor)
{
color = colors[ia];
}
verticesFlat.Add(new VertexPositionColored(a, hasColor ? colors[ia] : color));
verticesFlat.Add(new VertexPositionColored(b, hasColor ? colors[ib] : color));
verticesFlat.Add(new VertexPositionColored(c, hasColor ? colors[ic] : color));
break;
default:
if (hasColor)
{
color = colors[ia];
}
vertices.Add(new VertexPositionNormalColored(a, na, hasColor ? colors[ia] : color));
vertices.Add(new VertexPositionNormalColored(b, nb, hasColor ? colors[ib] : color));
vertices.Add(new VertexPositionNormalColored(c, nc, hasColor ? colors[ic] : color));
break;
}
triangles.Add(new IndexTriangle(i, i + 1, i + 2));
}
switch (displayStyle)
{
case DisplayStyle.HLR:
case DisplayStyle.FlatColors:
var pc = vBuffer.GetVertexStreamPositionColored();
pc.AddVertices(verticesFlat);
break;
default:
var pnc = vBuffer.GetVertexStreamPositionNormalColored();
pnc.AddVertices(vertices);
break;
}
var iPos = iBuffer.GetIndexStreamTriangle();
iPos.AddTriangles(triangles);
vBuffer.Unmap();
iBuffer.Unmap();
var effect = new EffectInstance(vertexFormatBits);
var renderData = new RenderData()
{
VertexBuffer = vBuffer,
VertexCount = numVertices,
IndexBuffer = iBuffer,
IndexCount = numIndices,
VertexFormat = vertexFormat,
Effect = effect,
PrimitiveType = pType,
PrimitiveCount = numPrimitives
};
if (displayStyle != DisplayStyle.Wireframe && numPrimitives > 0)
{
DrawContext.FlushBuffer(vBuffer, numVertices, iBuffer, numIndices, vertexFormat, effect, pType, 0, numPrimitives);
}
return(renderData);
}
public PointInfo(XYZ _vertex, ColorWithTransparency _color, XYZ _offset)
{
this.Vertex = _vertex;
this.Color = _color;
this.Offset = _offset;
}
public EdgeInfo(IList <XYZ> _vertices, ColorWithTransparency _color, XYZ _offset)
{
this.Vertices = _vertices;
this.Color = _color;
this.Offset = _offset;
}
protected static int ToPointsBuffer
(
Rhino.Geometry.PointCloud pointCloud,
Primitive.Part part,
out VertexFormatBits vertexFormatBits,
out VertexBuffer vb, out int vertexCount,
out IndexBuffer ib
)
{
int pointsCount = part.VertexCount;
int normalCount = pointCloud.ContainsNormals ? pointsCount : 0;
int colorsCount = pointCloud.ContainsColors ? pointsCount : 0;
bool hasPoints = pointsCount > 0;
bool hasNormals = normalCount == pointsCount;
bool hasColors = colorsCount == pointsCount;
if (hasPoints)
{
if (hasNormals)
{
if (hasColors)
{
vertexFormatBits = VertexFormatBits.PositionNormalColored;
vb = new VertexBuffer(pointsCount * VertexPositionNormalColored.GetSizeInFloats());
vb.Map(pointsCount * VertexPositionNormalColored.GetSizeInFloats());
using (var vstream = vb.GetVertexStreamPositionNormalColored())
{
for (int p = part.StartVertexIndex; p < part.EndVertexIndex; ++p)
{
var point = pointCloud[p];
var c = new ColorWithTransparency(point.Color.R, point.Color.G, point.Color.B, 255u - point.Color.A);
vstream.AddVertex(new VertexPositionNormalColored(RawEncoder.ToHost(point.Location), RawEncoder.ToHost(point.Normal), c));
}
}
vb.Unmap();
}
else
{
vertexFormatBits = VertexFormatBits.PositionNormal;
vb = new VertexBuffer(pointsCount * VertexPositionNormal.GetSizeInFloats());
vb.Map(pointsCount * VertexPositionNormal.GetSizeInFloats());
using (var vstream = vb.GetVertexStreamPositionNormal())
{
for (int p = part.StartVertexIndex; p < part.EndVertexIndex; ++p)
{
var point = pointCloud[p];
vstream.AddVertex(new VertexPositionNormal(RawEncoder.ToHost(point.Location), RawEncoder.ToHost(point.Normal)));
}
}
vb.Unmap();
}
}
else
{
if (hasColors)
{
vertexFormatBits = VertexFormatBits.PositionColored;
vb = new VertexBuffer(pointsCount * VertexPositionColored.GetSizeInFloats());
vb.Map(pointsCount * VertexPositionColored.GetSizeInFloats());
using (var vstream = vb.GetVertexStreamPositionColored())
{
for (int p = part.StartVertexIndex; p < part.EndVertexIndex; ++p)
{
var point = pointCloud[p];
var c = new ColorWithTransparency(point.Color.R, point.Color.G, point.Color.B, 255u - point.Color.A);
vstream.AddVertex(new VertexPositionColored(RawEncoder.ToHost(point.Location), c));
}
}
vb.Unmap();
}
else
{
vertexFormatBits = VertexFormatBits.Position;
vb = new VertexBuffer(pointsCount * VertexPosition.GetSizeInFloats());
vb.Map(pointsCount * VertexPosition.GetSizeInFloats());
using (var vstream = vb.GetVertexStreamPosition())
{
for (int p = part.StartVertexIndex; p < part.EndVertexIndex; ++p)
{
var point = pointCloud[p];
vstream.AddVertex(new VertexPosition(RawEncoder.ToHost(point.Location)));
}
}
vb.Unmap();
}
}
ib = IndexPointsBuffer(pointsCount);
}
else
{
vertexFormatBits = 0;
vb = null;
ib = null;
}
vertexCount = pointsCount;
return(pointsCount);
}
public MeshInfo(Mesh mesh, XYZ normal, ColorWithTransparency color)
{
Mesh = mesh;
Normal = normal;
ColorWithTransparency = color;
}
// Create and populate a pair of vertex and index buffers. Also update parameters associated with the format of the vertices.
private void ProcessFaces(RenderingPassBufferStorage bufferStorage)
{
List <MeshInfo> meshes = bufferStorage.Meshes;
if (meshes.Count == 0)
{
return;
}
List <int> numVerticesInMeshesBefore = new List <int>();
bool useNormals = this.Inputs.EnableFaceNormal;
// Vertex attributes are stored sequentially in vertex buffers. The attributes can include position, normal vector, and color.
// All vertices within a vertex buffer must have the same format. Possible formats are enumerated by VertexFormatBits.
// Vertex format also determines the type of rendering effect that can be used with the vertex buffer. In this sample,
// the color is always encoded in the vertex attributes.
bufferStorage.FormatBits = useNormals ? VertexFormatBits.PositionNormalColored : VertexFormatBits.PositionColored;
// The format of the vertices determines the size of the vertex buffer.
int vertexBufferSizeInFloats = (useNormals ? VertexPositionNormalColored.GetSizeInFloats() : VertexPositionColored.GetSizeInFloats()) *
bufferStorage.VertexBufferCount;
numVerticesInMeshesBefore.Add(0);
bufferStorage.VertexBuffer = new VertexBuffer(vertexBufferSizeInFloats);
bufferStorage.VertexBuffer.Map(vertexBufferSizeInFloats);
int numMeshes = meshes.Count;
if (useNormals)
{
// A VertexStream is used to write data into a VertexBuffer.
VertexStreamPositionNormalColored vertexStream = bufferStorage.VertexBuffer.GetVertexStreamPositionNormalColored();
for (int i = 0; i < numMeshes; i++)
{
var meshInfo = meshes[i];
Mesh mesh = meshInfo.Mesh;
foreach (XYZ vertex in mesh.Vertices)
{
vertexStream.AddVertex(new VertexPositionNormalColored(vertex + meshInfo.Offset, meshInfo.Normal, meshInfo.ColorWithTransparency));
}
numVerticesInMeshesBefore.Add(numVerticesInMeshesBefore.Last() + mesh.Vertices.Count);
}
}
else
{
// A VertexStream is used to write data into a VertexBuffer.
VertexStreamPositionColored vertexStream = bufferStorage.VertexBuffer.GetVertexStreamPositionColored();
for (int i = 0; i < numMeshes; i++)
{
var meshInfo = meshes[i];
Mesh mesh = meshInfo.Mesh;
// make the color of all faces white in HLR
ColorWithTransparency color = meshInfo.ColorWithTransparency;
foreach (XYZ vertex in mesh.Vertices)
{
vertexStream.AddVertex(new VertexPositionColored(vertex + meshInfo.Offset, color));
}
numVerticesInMeshesBefore.Add(numVerticesInMeshesBefore.Last() + mesh.Vertices.Count);
}
}
bufferStorage.VertexBuffer.Unmap();
// Primitives are specified using a pair of vertex and index buffers. An index buffer contains a sequence of indices into
// the associated vertex buffer, each index referencing a particular vertex.
int meshNumber = 0;
bufferStorage.IndexBufferCount = bufferStorage.PrimitiveCount * IndexTriangle.GetSizeInShortInts();
int indexBufferSizeInShortInts = 1 * bufferStorage.IndexBufferCount;
bufferStorage.IndexBuffer = new IndexBuffer(indexBufferSizeInShortInts);
bufferStorage.IndexBuffer.Map(indexBufferSizeInShortInts);
{
// An IndexStream is used to write data into an IndexBuffer.
IndexStreamTriangle indexStream = bufferStorage.IndexBuffer.GetIndexStreamTriangle();
foreach (MeshInfo meshInfo in meshes)
{
Mesh mesh = meshInfo.Mesh;
int startIndex = numVerticesInMeshesBefore[meshNumber];
for (int i = 0; i < mesh.NumTriangles; i++)
{
MeshTriangle mt = mesh.get_Triangle(i);
// Add three indices that define a triangle.
indexStream.AddTriangle(new IndexTriangle((int)(startIndex + mt.get_Index(0)),
(int)(startIndex + mt.get_Index(1)),
(int)(startIndex + mt.get_Index(2))));
}
meshNumber++;
}
}
bufferStorage.IndexBuffer.Unmap();
// VertexFormat is a specification of the data that is associated with a vertex (e.g., position).
bufferStorage.VertexFormat = new VertexFormat(bufferStorage.FormatBits);
// Effect instance is a specification of the appearance of geometry. For example, it may be used to specify color, if there is no color information provided with the vertices.
bufferStorage.EffectInstance = new EffectInstance(bufferStorage.FormatBits);
}
// Create and populate a pair of vertex and index buffers. Also update parameters associated with the format of the vertices.
private void ProcessTriangles(RenderingPassBufferStorage bufferStorage)
{
List <TriangleInfo> triangles = bufferStorage.Triangles;
if (triangles.Count == 0)
{
return;
}
bool useNormals = this.Inputs.EnableFaceNormal;
// Vertex attributes are stored sequentially in vertex buffers. The attributes can include position, normal vector, and color.
// All vertices within a vertex buffer must have the same format. Possible formats are enumerated by VertexFormatBits.
// Vertex format also determines the type of rendering effect that can be used with the vertex buffer. In this sample,
// the color is always encoded in the vertex attributes.
bufferStorage.FormatBits = useNormals ? VertexFormatBits.PositionNormalColored : VertexFormatBits.PositionColored;
// The format of the vertices determines the size of the vertex buffer.
int vertexBufferSizeInFloats = (useNormals ? VertexPositionNormalColored.GetSizeInFloats() : VertexPositionColored.GetSizeInFloats()) *
bufferStorage.VertexBufferCount;
bufferStorage.VertexBuffer = new VertexBuffer(vertexBufferSizeInFloats);
bufferStorage.VertexBuffer.Map(vertexBufferSizeInFloats);
int numTriangles = triangles.Count;
if (useNormals)
{
// A VertexStream is used to write data into a VertexBuffer.
VertexStreamPositionNormalColored vertexStream = bufferStorage.VertexBuffer.GetVertexStreamPositionNormalColored();
for (int i = 0; i < numTriangles; i++)
{
var triangleInfo = triangles[i];
g3.Triangle3d triangle = triangleInfo.Triangle;
vertexStream.AddVertex(new VertexPositionNormalColored(triangle.V0.ToXYZ() + triangleInfo.Offset, triangleInfo.Normal, triangleInfo.ColorWithTransparency));
vertexStream.AddVertex(new VertexPositionNormalColored(triangle.V1.ToXYZ() + triangleInfo.Offset, triangleInfo.Normal, triangleInfo.ColorWithTransparency));
vertexStream.AddVertex(new VertexPositionNormalColored(triangle.V2.ToXYZ() + triangleInfo.Offset, triangleInfo.Normal, triangleInfo.ColorWithTransparency));
}
}
else
{
// A VertexStream is used to write data into a VertexBuffer.
VertexStreamPositionColored vertexStream = bufferStorage.VertexBuffer.GetVertexStreamPositionColored();
for (int i = 0; i < numTriangles; i++)
{
var triangleInfo = triangles[i];
g3.Triangle3d triangle = triangleInfo.Triangle;
// make the color of all faces white in HLR
ColorWithTransparency color = triangleInfo.ColorWithTransparency;
vertexStream.AddVertex(new VertexPositionColored(triangle.V0.ToXYZ() + triangleInfo.Offset, color));
vertexStream.AddVertex(new VertexPositionColored(triangle.V1.ToXYZ() + triangleInfo.Offset, color));
vertexStream.AddVertex(new VertexPositionColored(triangle.V2.ToXYZ() + triangleInfo.Offset, color));
}
}
bufferStorage.VertexBuffer.Unmap();
// Primitives are specified using a pair of vertex and index buffers. An index buffer contains a sequence of indices into
// the associated vertex buffer, each index referencing a particular vertex.
bufferStorage.IndexBufferCount = bufferStorage.PrimitiveCount * IndexTriangle.GetSizeInShortInts();
int indexBufferSizeInShortInts = 1 * bufferStorage.IndexBufferCount;
bufferStorage.IndexBuffer = new IndexBuffer(indexBufferSizeInShortInts);
bufferStorage.IndexBuffer.Map(indexBufferSizeInShortInts);
// An IndexStream is used to write data into an IndexBuffer.
IndexStreamTriangle indexStream = bufferStorage.IndexBuffer.GetIndexStreamTriangle();
int currIndex = 0;
for (int i = 0; i < numTriangles; i++)
{
// Add three indices that define a triangle.
indexStream.AddTriangle(new IndexTriangle(currIndex + 0, currIndex + 1, currIndex + 2));
currIndex += 3;
}
bufferStorage.IndexBuffer.Unmap();
// VertexFormat is a specification of the data that is associated with a vertex (e.g., position).
bufferStorage.VertexFormat = new VertexFormat(bufferStorage.FormatBits);
// Effect instance is a specification of the appearance of geometry. For example, it may be used to specify color, if there is no color information provided with the vertices.
bufferStorage.EffectInstance = new EffectInstance(bufferStorage.FormatBits);
}
// Initialize and populate buffers that hold graphics primitives, set up related parameters that are needed for drawing.
private void CreateBufferStorageForElement(GeometryElement geomElem, DisplayStyle displayStyle)
{
List <Solid> allSolids = new List <Solid>();
foreach (GeometryObject geomObj in geomElem)
{
if (geomObj is Solid)
{
Solid solid = (Solid)geomObj;
if (solid.Volume > 1e-06)
{
allSolids.Add(solid);
}
}
}
m_nonTransparentFaceBufferStorage = new RenderingPassBufferStorage(displayStyle);
m_transparentFaceBufferStorage = new RenderingPassBufferStorage(displayStyle);
m_edgeBufferStorage = new RenderingPassBufferStorage(displayStyle);
// Collect primitives (and associated rendering parameters, such as colors) from faces and edges.
foreach (Solid solid in allSolids)
{
foreach (Face face in solid.Faces)
{
if (face.Area > 1e-06)
{
Mesh mesh = face.Triangulate();
ElementId materialId = face.MaterialElementId;
bool isTransparent = false;
ColorWithTransparency cwt = new ColorWithTransparency(127, 127, 127, 0);
if (materialId != ElementId.InvalidElementId)
{
Material material = m_element.Document.GetElement(materialId) as Material;
Color color = material.Color;
int transparency0To100 = material.Transparency;
uint transparency0To255 = (uint)((float)transparency0To100 / 100f * 255f);
cwt = new ColorWithTransparency(color.Red, color.Green, color.Blue, transparency0To255);
if (transparency0To255 > 0)
{
isTransparent = true;
}
}
BoundingBoxUV env = face.GetBoundingBox();
UV center = 0.5 * (env.Min + env.Max);
XYZ normal = face.ComputeNormal(center);
MeshInfo meshInfo = new MeshInfo(mesh, normal, cwt);
if (isTransparent)
{
m_transparentFaceBufferStorage.Meshes.Add(meshInfo);
m_transparentFaceBufferStorage.VertexBufferCount += mesh.Vertices.Count;
m_transparentFaceBufferStorage.PrimitiveCount += mesh.NumTriangles;
}
else
{
m_nonTransparentFaceBufferStorage.Meshes.Add(meshInfo);
m_nonTransparentFaceBufferStorage.VertexBufferCount += mesh.Vertices.Count;
m_nonTransparentFaceBufferStorage.PrimitiveCount += mesh.NumTriangles;
}
}
}
foreach (Edge edge in solid.Edges)
{
// if (edge.Length > 1e-06)
{
IList <XYZ> xyzs = edge.Tessellate();
m_edgeBufferStorage.VertexBufferCount += xyzs.Count;
m_edgeBufferStorage.PrimitiveCount += xyzs.Count - 1;
m_edgeBufferStorage.EdgeXYZs.Add(xyzs);
}
}
}
// Fill out buffers with primitives based on the intermediate information about faces and edges.
ProcessFaces(m_nonTransparentFaceBufferStorage);
ProcessFaces(m_transparentFaceBufferStorage);
ProcessEdges(m_edgeBufferStorage);
}
