// Creates a ScreenSpaceLineNode with multiple positions and with different colors for positions.
public static ScreenSpaceLineNode CreateColoredLineNode(Vector3[] positions,
Color4[] lineColors,
float lineThickness,
DisposeList disposables,
bool isPolyLine = true) // when false we create a multi-line line (each individual line is defined by 2 position)
{
var lineMaterial = new PositionColoredLineMaterial()
{
LineColor = Color4.White, // When PositionColors are used, then LineColor is used as a mask - each color is multiplied by LineColor - use White to preserve PositionColors
LineThickness = lineThickness,
PositionColors = lineColors,
IsPolyLine = isPolyLine
};
// NOTE: When rendering multi-lines we need to set isLineStrip to false
var screenSpaceLineNode = new ScreenSpaceLineNode(positions, isLineClosed: false, isLineStrip: isPolyLine, lineMaterial: lineMaterial);
if (disposables != null)
{
disposables.Add(screenSpaceLineNode);
disposables.Add(lineMaterial);
}
return(screenSpaceLineNode);
}
public WLineRenderData(ScreenSpaceLineNode _node, LineSelectorData _selectData,
PositionColoredLineMaterial mtl, List <SharpDX.Color4> _colors)
{
node = _node;
selectData = _selectData;
material = mtl;
colors = _colors;
}
void CreateColoredPolyLine(int count, int layer)
{
Vector3 preV = new Vector3(0, layer, 0);
Color4 preC = Color4.White;
var points = new List <Point3D>();
var vectors = new List <Vector3>();
var colors = new List <SharpDX.Color4>();
for (int i = 0; i < count; i++)
{
float max = 1f;
Vector3 v = new Vector3(1, layer, 0);
v.X += preV.X;
//Console.WriteLine("{0} : {1} {2} {3}", i, v.X, v.Y, v.Z);
colors.Add(preC);
points.Add(new Point3D((double)v.X, (double)v.Y, (double)v.Z));
vectors.Add(v);
preV = v;
}
DisposeList disposables = new DisposeList();
float lineThickness = 5;
bool isPolyLine = false;
var lineMaterial = new PositionColoredLineMaterial()
{
LineColor = Color4.White, // When PositionColors are used, then LineColor is used as a mask - each color is multiplied by LineColor - use White to preserve PositionColors
LineThickness = lineThickness,
PositionColors = colors.ToArray(),
IsPolyLine = isPolyLine
};
// NOTE: When rendering multi-lines we need to set isLineStrip to false
var screenSpaceLineNode = new ScreenSpaceLineNode(vectors.ToArray(), isLineClosed: false, isLineStrip: true, lineMaterial: lineMaterial);
if (disposables != null)
{
disposables.Add(screenSpaceLineNode);
disposables.Add(lineMaterial);
}
var sceneNodeVisual = new SceneNodeVisual3D(screenSpaceLineNode);
MainViewport.Children.Add(sceneNodeVisual);
bool isVisualConnected;
var lineSelectorData = new LineSelectorData(points, true);
lineSelectorData.PositionsTransform3D = Ab3d.Utilities.TransformationsHelper.GetVisual3DTotalTransform(sceneNodeVisual, true, out isVisualConnected);
_lineSelectorData.Add(lineSelectorData);
var _data = new WLineRenderData(screenSpaceLineNode, lineSelectorData, lineMaterial, colors);
lrData.Add(_data);
}
