public override void Do(IDemoChartControl chartControl)
{
// Create mesh for rendering. We need a cube.
Mesh cubeMesh = CubeMeshFactory.GenerateCube();
// Generates cube transformation matrixes and it's colors.
Matrix4F[] transformations = new Matrix4F[TotalBarCount];
Color4[] colors = new Color4[TotalBarCount];
int index = 0;
for (int x = 0; x < GridSize; x++)
{
for (int y = 0; y < GridSize; y++)
{
// Randomize block height.
float height = (float)random.NextDouble() * MaxHeight;
// Compute current bar transformation matrix.
// Scaling matrix is used for size scaling. Translation matrix is used for positioning.
transformations[index] = Matrix4F.Scaling(BlockSize, BlockSize, height) *
Matrix4F.Translation(GridStep * x, GridStep * y, height / 2);
// Randomize color.
colors[index] = DemoHelper.RandomizeColor();
index++;
}
}
// Create presentation object.
var primitiveCollection = new MultiColorPrimitiveCollection
{
// Set mesh.
Mesh = cubeMesh,
// Set name.
Name = "Bars",
// Set custom material.
Material = new RenderMaterial(0.35f, 0.5f, 0.6f, 0.0f, 0.0f)
};
// Set transforms.
primitiveCollection.SetTransformsAndColor(transformations, colors);
// Set chart options.
chartControl.Axes.IsAxes3DVisible = true;
// Set data source.
chartControl.DataSource = primitiveCollection;
}
public override void Do(IDemoChartControl chartControl)
{
chartControl.Axes.IsAxes3DVisible = true;
chartControl.DataSource = new RenderData[]
{
new Tetrahedron
{
Color = Colors.Cyan,
//Relative to item center position
Position = new Vector3F(0, 0, 0.5f),
//Item direction
Direction = Vector3F.UnitZ,
Name = "Tetrahedron"
},
//Pyramid with height = 0.5 and orientation via axis Z. This primitive is fully defined via transformation matrices
new Pyramid
{
Color = Colors.Blue,
Transform = Matrix4F.Scaling(0.5f, 0.5f, 1f) * Matrix4F.RotationFromDirection(-Vector3F.UnitZ),
Name = "Pyramid"
}
};
}
public override void Do(IDemoChartControl chartControl)
{
chartControl.Axes.IsAxes3DVisible = true;
chartControl.DataSource = new RenderData[]
{
new Sphere
{
//Resolution for radial part of item. Means number of generated points. For sphere it is approximate number due to mesh generation algorithm.
Resolution = 100,
Color = Colors.DarkBlue,
//Item radius
Radius = 0.5f,
//Item position relative to center
Position = new Vector3F(),
Name = "Sphere 1"
},
new Sphere
{
//Resolution for radial part of item. Means number of generated points. For sphere it is approximate number due to mesh generation algorithm.
Resolution = 100,
Color = Colors.Cyan,
//Item radius
Radius = 0.5f,
//Ietm position relative to center
Position = new Vector3F(0.5f),
//We can create ellipse using transform matrices
Transform = Matrix4F.Scaling(1f, 0.5f, 0.5f),
Name = "Sphere 2"
},
new Sphere
{
//Resolution for radial part of item. Means number of generated points. For sphere it is approximate number due to mesh generation algorithm.
Resolution = 100,
Color = Colors.Blue,
//Item radius
Radius = 0.5f,
//Item position relative to center
Position = new Vector3F(0.5f, -0.5f, 0.5f),
//We can create ellipse using transform matrices
Transform = Matrix4F.Scaling(1f, 1f, 0.5f) * Matrix4F.RotationAxis(Vector3F.UnitX, Math.PI / 4),
Name = "Sphere 3"
},
new SemiSphere
{
//Resolution for radial part of item. Means number of generated points. For sphere it is approximate number due to mesh generation algorithm.
Resolution = 100,
Color = Colors.DarkCyan,
//Item radius
Radius = 0.55f,
//Item position relative to center
Position = new Vector3F(),
//For semi sphere direction can be defined
Direction = -Vector3F.UnitX,
//Define if semi sphere base is required
DrawBottomBase = false,
//Item presentation type
PresentationType = PrimitivePresentationType.Wireframe,
Name = "Sphere 4"
},
};
}