private List <RenderVertex> CreateVBOBack2Front()
{
List <RenderVertex> renderVertices = new List <RenderVertex>();
List <int> sortedPoints = BspTreeTools.GetBackToFront(rootNode, points, eye);
foreach (int index in sortedPoints)
{
renderVertices.Add(new RenderVertex(points[index], new Vector3(0, 1, 0), Color4.Yellow));
}
renderVertices.Add(new RenderVertex(eye, new Vector3(0, 1, 0), Color4.Yellow));
return(renderVertices);
}
public BspScene() : base(100, Shader.ShaderMode.NO_LIGHTING, RenderMode.REGULAR)
{
Random random = new Random();
int numberOfPoints = 10;
List <Vector3> points = new List <Vector3>();
List <int> pointIndices = new List <int>();
for (int i = 0; i < numberOfPoints; i++)
{
points.Add(new Vector3((float)(2 * random.NextDouble() - 1), (float)(2 * random.NextDouble() - 1), 0));
pointIndices.Add(i);
}
BspTreeNode rootNode = BspTreeTools.CreateBspTree(null, points, pointIndices);
node = new BspNode(rootNode, points);
GetRoot().AddChild(node);
GetRoot().LightPosition = new Vector3(0, 0, 1);
}