public void InitializeSystem()
{
m_wireCubeMesh = WireCube.GenerateMesh();
m_solidCubeMesh = SolidCube.GenerateMesh();
m_wireLineMesh = new Mesh();
m_wireLineMesh.SubMeshes.Add(new MeshBatch());
m_wireLineMesh.SubMeshes[0].PrimitveType = OpenTK.Graphics.OpenGL.PrimitiveType.Lines;
}
public override void Paint(IGraphicsContext3D g, IMaterial material, PointD3D centerLocation, double symbolSize)
{
// Note: the symbolSize provided in the argument is the diameter of an imaginary sphere in which the cube has to fit in
// thus the cube's diagonal should be equal to the sphere's diameter
var size = symbolSize * Sqrt1By3; // size of the cube
var sizeBy2 = size * 0.5;
var buffers = g.GetPositionNormalIndexedTriangleBuffer(material);
if (null != buffers.PositionNormalIndexedTriangleBuffer)
{
var buf = buffers.PositionNormalIndexedTriangleBuffer;
var voffs = buffers.PositionNormalIndexedTriangleBuffer.VertexCount;
SolidCube.Add(
centerLocation.X - sizeBy2, centerLocation.Y - sizeBy2, centerLocation.Z - sizeBy2,
size, size, size,
(point, normal) => buf.AddTriangleVertex(point.X, point.Y, point.Z, normal.X, normal.Y, normal.Z),
(i1, i2, i3) => buf.AddTriangleIndices(i1 + voffs, i2 + voffs, i3 + voffs),
ref voffs);
}
}
