private void UpdateAxisColor(Geometry3D mesh, int which, Color4 color)
{
switch (which)
{
case 0:
axisBillboards[which].Geometry = new BillboardSingleText3D()
{
TextInfo = new TextInfo("X", new Vector3(14, 0, 0)), BackgroundColor = Color.Transparent, FontSize = 14, FontColor = color
};
break;
case 1:
axisBillboards[which].Geometry = new BillboardSingleText3D()
{
TextInfo = new TextInfo("Y", new Vector3(0, 14, 0)), BackgroundColor = Color.Transparent, FontSize = 14, FontColor = color
};
break;
case 2:
axisBillboards[which].Geometry = new BillboardSingleText3D()
{
TextInfo = new TextInfo("Z", new Vector3(0, 0, 14)), BackgroundColor = Color.Transparent, FontSize = 14, FontColor = color
};
break;
}
int segment = mesh.Positions.Count / 3;
var colors = new Core.Color4Collection(mesh.Colors == null ? Enumerable.Repeat <Color4>(Color.Black, mesh.Positions.Count) : mesh.Colors);
for (int i = segment * which; i < segment * (which + 1); ++i)
{
colors[i] = color;
}
mesh.Colors = colors;
}
public CameraModel3D()
{
var b1 = new MeshBuilder();
b1.AddBox(new Vector3(), 1f, 1f, 1.2f, BoxFaces.All);
var body = new MeshGeometryModel3D()
{
CullMode = CullMode.Back
};
body.Geometry = b1.ToMeshGeometry3D();
body.Material = PhongMaterials.Gray;
body.SceneNode.OnSetRenderTechnique = (h) => { return(h.EffectsManager[DefaultRenderTechniqueNames.Diffuse]); };
this.Children.Add(body);
b1 = new MeshBuilder();
b1.AddCone(new Vector3(0, 0, -1.2f), new Vector3(0, 0f, 0), 0.4f, true, 12);
var lens = new MeshGeometryModel3D()
{
CullMode = CullMode.Back
};
lens.Geometry = b1.ToMeshGeometry3D();
lens.Material = PhongMaterials.Yellow;
lens.SceneNode.OnSetRenderTechnique = (h) => { return(h.EffectsManager[DefaultRenderTechniqueNames.Diffuse]); };
this.Children.Add(lens);
var builder = new LineBuilder();
builder.AddLine(Vector3.Zero, new Vector3(2, 0, 0));
builder.AddLine(Vector3.Zero, new Vector3(0, 2, 0));
builder.AddLine(Vector3.Zero, new Vector3(0, 0, -2));
var mesh = builder.ToLineGeometry3D();
var arrowMeshModel = new LineGeometryModel3D();
arrowMeshModel.Geometry = mesh;
arrowMeshModel.Color = System.Windows.Media.Colors.White;
arrowMeshModel.IsHitTestVisible = false;
int segment = mesh.Positions.Count / 3;
var colors = new Core.Color4Collection(Enumerable.Repeat <Color4>(Color.Black, mesh.Positions.Count));
int i = 0;
for (; i < segment; ++i)
{
colors[i] = Color.Red;
}
for (; i < segment * 2; ++i)
{
colors[i] = Color.Green;
}
for (; i < segment * 3; ++i)
{
colors[i] = Color.Blue;
}
mesh.Colors = colors;
this.Children.Add(arrowMeshModel);
SceneNode.OnTransformChanged += SceneNode_OnTransformChanged;
}
public static Color4Collection Parse(string source)
{
IFormatProvider formatProvider = CultureInfo.InvariantCulture;
var th = new TokenizerHelper(source, formatProvider);
var resource = new Color4Collection();
Color4 value;
while (th.NextToken())
{
value = new Color4(
Convert.ToSingle(th.GetCurrentToken(), formatProvider),
Convert.ToSingle(th.NextTokenRequired(), formatProvider),
Convert.ToSingle(th.NextTokenRequired(), formatProvider),
Convert.ToSingle(th.NextTokenRequired(), formatProvider));
resource.Add(value);
}
return(resource);
}
