// Add a random path.
private void CreateRandomPath()
{
var path = new Path3F();
var point = new Vector3F(0, 0, 0);
path.Add(new PathKey3F
{
Interpolation = SplineInterpolation.CatmullRom,
Parameter = 0,
Point = point
});
for (int i = 1; i < 10; i++)
{
point += RandomHelper.Random.NextQuaternionF().Rotate(new Vector3F(0, 0.5f, 0));
path.Add(new PathKey3F
{
Interpolation = SplineInterpolation.CatmullRom,
Parameter = i,
Point = point
});
}
var pathFigure = new PathFigure3F();
pathFigure.Segments.Add(path);
var pathLineNode = new FigureNode(pathFigure)
{
Name = "RandomPath",
PoseLocal = new Pose(new Vector3F(4, 1, 2)),
StrokeThickness = 3,
StrokeColor = new Vector3F(0.5f, 0.3f, 1),
StrokeAlpha = 1f,
DashInWorldSpace = true,
StrokeDashPattern = new Vector4F(10, 1, 1, 1) / 100,
};
_scene.Children.Add(pathLineNode);
}
// Add a grid with thick major grid lines and thin stroked minor grid lines.
private void CreateGrid()
{
var majorGridLines = new PathFigure3F();
for (int i = 0; i <= 10; i++)
{
majorGridLines.Segments.Add(new LineSegment3F
{
Point1 = new Vector3F(-5, 0, -5 + i),
Point2 = new Vector3F(5, 0, -5 + i),
});
majorGridLines.Segments.Add(new LineSegment3F
{
Point1 = new Vector3F(-5 + i, 0, -5),
Point2 = new Vector3F(-5 + i, 0, 5),
});
}
var minorGridLines = new PathFigure3F();
for (int i = 0; i < 10; i++)
{
minorGridLines.Segments.Add(new LineSegment3F
{
Point1 = new Vector3F(-5, 0, -4.5f + i),
Point2 = new Vector3F(5, 0, -4.5f + i),
});
minorGridLines.Segments.Add(new LineSegment3F
{
Point1 = new Vector3F(-4.5f + i, 0, -5),
Point2 = new Vector3F(-4.5f + i, 0, 5),
});
}
var majorLinesNode = new FigureNode(majorGridLines)
{
Name = "Major grid lines",
PoseLocal = Pose.Identity,
StrokeThickness = 2,
StrokeColor = new Vector3F(0.1f),
StrokeAlpha = 1f,
};
var minorLinesNode = new FigureNode(minorGridLines)
{
Name = "Minor grid lines",
PoseLocal = Pose.Identity,
StrokeThickness = 1,
StrokeColor = new Vector3F(0.1f),
StrokeAlpha = 1f,
DashInWorldSpace = true,
StrokeDashPattern = new Vector4F(10, 4, 0, 0) / 200,
};
var gridNode = new SceneNode
{
Name = "Grid",
Children = new SceneNodeCollection(),
PoseLocal = new Pose(new Vector3F(0, -0.5f, 0)),
};
gridNode.Children.Add(majorLinesNode);
gridNode.Children.Add(minorLinesNode);
_scene.Children.Add(gridNode);
}
