public HelixRenderPackage()
{
points = InitPointGeometry();
lines = InitLineGeometry();
mesh = InitMeshGeometry();
lineStripVertexCounts = new List<int>();
}
public HelixRenderPackage()
{
points = InitPointGeometry();
lines = InitLineGeometry();
mesh = InitMeshGeometry();
lineStripVertexCounts = new List<int>();
Transform = System.Windows.Media.Media3D.Matrix3D.Identity.ToArray();
}
public void Clear()
{
points = null;
mesh = null;
lines = null;
points = InitPointGeometry();
mesh = InitMeshGeometry();
lines = InitLineGeometry();
lineStripVertexCounts.Clear();
IsSelected = false;
DisplayLabels = false;
}
/// <summary>
/// Create the grid
/// </summary>
private void DrawGrid()
{
Grid = new LineGeometry3D();
var positions = new Vector3Collection();
var indices = new IntCollection();
var colors = new Color4Collection();
for(var i= 0; i < 10; i += 1)
{
for (var j = 0; j < 10; j += 1)
{
DrawGridPatch(positions, indices, colors, -50 + i * 10, -50 + j * 10);
}
}
Grid.Positions = positions;
Grid.Indices = indices;
Grid.Colors = colors;
Axes = new LineGeometry3D();
var axesPositions = new Vector3Collection();
var axesIndices = new IntCollection();
var axesColors = new Color4Collection();
// Draw the coordinate axes
axesPositions.Add(new Vector3());
axesIndices.Add(axesPositions.Count - 1);
axesPositions.Add(new Vector3(50, 0, 0));
axesIndices.Add(axesPositions.Count - 1);
axesColors.Add(SharpDX.Color.Red);
axesColors.Add(SharpDX.Color.Red);
axesPositions.Add(new Vector3());
axesIndices.Add(axesPositions.Count - 1);
axesPositions.Add(new Vector3(0, 5, 0));
axesIndices.Add(axesPositions.Count - 1);
axesColors.Add(SharpDX.Color.Blue);
axesColors.Add(SharpDX.Color.Blue);
axesPositions.Add(new Vector3());
axesIndices.Add(axesPositions.Count - 1);
axesPositions.Add(new Vector3(0, 0, -50));
axesIndices.Add(axesPositions.Count - 1);
axesColors.Add(SharpDX.Color.Green);
axesColors.Add(SharpDX.Color.Green);
Axes.Positions = axesPositions;
Axes.Indices = axesIndices;
Axes.Colors = axesColors;
}
internal static LineGeometry3D InitLineGeometry()
{
var lines = new LineGeometry3D
{
Positions = new Vector3Collection(),
Indices = new IntCollection(),
Colors = new Color4Collection()
};
return lines;
}
private void CreateWireFrameModels(IFCItem item, Vector3 center)
{
while (item != null) {
if (item.ifcID != IntPtr.Zero && item.noVerticesForWireFrame != 0 && item.noPrimitivesForWireFrame != 0) {
var geo = new LineGeometry3D();
geo.Positions=new Vector3Collection();
geo.Indices=new IntCollection();
var points = new Vector3Collection();
if (item.verticesForWireFrame != null) {
for (int i = 0; i < item.noVerticesForWireFrame; i++) {
points.Add(new Vector3((item.verticesForWireFrame[3 * i + 0] - center.X), (item.verticesForWireFrame[3 * i + 1] - center.Y), (item.verticesForWireFrame[3 * i + 2] - center.Z)));
geo.Positions.Add(new Vector3((item.verticesForWireFrame[3 * i + 0] - center.X), (item.verticesForWireFrame[3 * i + 1] - center.Y), (item.verticesForWireFrame[3 * i + 2] - center.Z)));
}
}
if (item.indicesForWireFrameLineParts != null) {
for (int i = 0; i < item.noPrimitivesForWireFrame; i++) {
var idx = item.indicesForWireFrameLineParts[2 * i + 0];
geo.Indices.Add(idx);
idx = item.indicesForWireFrameLineParts[2 * i + 1];
geo.Indices.Add(idx);
}
} else {
for (int i = 0, count = points.Count; i < count; i++) {
geo.Indices.Add(i);
geo.Indices.Add((i + 1) % count);
}
}
LineGeometryModel3D line = new LineGeometryModel3D();
line.Geometry = geo;
line.Color = _defaultLineColor;
line.Thickness = 0.5;
item.Wireframe = line;
line.Tag = item.ifcType + ":" + item.ifcID;
model.Add(line);
}
CreateFaceModels(item.child, center);
item = item.next;
}
}
public void Clear()
{
points = null;
mesh = null;
lines = null;
points = InitPointGeometry();
mesh = InitMeshGeometry();
lines = InitLineGeometry();
lineStripVertexCounts.Clear();
Transform = System.Windows.Media.Media3D.Matrix3D.Identity.ToArray();
IsSelected = false;
DisplayLabels = false;
colors = null;
}
