private void DrawSubdivision(ref Matrix4 mvp, Vector3 position, Vector3 boxSize, ModelOctreeNode[] modelOctrees, int subdiv)
{
int index = 0;
for (int z = 0; z < 2; z++)
{
for (int y = 0; y < 2; y++)
{
for (int x = 0; x < 2; x++)
{
Vector3 cubePosition = position + boxSize * new Vector3(x, y, z);
if (modelOctrees[index].Children == null)
{
DrawableBoundingBox.DrawBoundingBox(mvp, boxSize / 2f, cubePosition + boxSize / 2f, System.Drawing.Color.Red);
}
else
{
DrawSubdivision(ref mvp, cubePosition, boxSize / 2f, modelOctrees[index].Children, subdiv++);
}
index++;
}
}
}
}
private void DrawOctrees(ref Matrix4 mvp)
{
foreach (var model in KclFile.Models)
{
if (model.HitOctrees.Count > 0)
{
var boundings = model.GetOctreeBoundings();
var hitOctrees = model.HitOctrees;
foreach (var bounding in boundings)
{
foreach (var octree in hitOctrees)
{
if (octree == bounding.Octree)
{
Vector3 pos = new Vector3(bounding.Position.X, bounding.Position.Y, bounding.Position.Z);
Vector3 bsize = new Vector3(bounding.Size);
DrawableBoundingBox.DrawBoundingBox(mvp, bsize, pos + bsize, System.Drawing.Color.Red);
}
}
}
}
}
return;
var octreeMax = KclFile.MaxCoordinate;
var octreeOrigin = KclFile.MinCoordinate;
Vector3 max = new Vector3((float)octreeMax.X, (float)octreeMax.Y, (float)octreeMax.Z);
Vector3 min = new Vector3((float)octreeOrigin.X, (float)octreeOrigin.Y, (float)octreeOrigin.Z);
Vector3 size = max - min;
Vector3 boxSize = new Vector3(
(1 << (int)KclFile.CoordinateShift.X),
(1 << (int)KclFile.CoordinateShift.Y),
(1 << (int)KclFile.CoordinateShift.Z));
Console.WriteLine($"boxSize {boxSize} SIZE {max - min}");
DrawSubdivision(ref mvp, min, boxSize / 2f, KclFile.ModelOctreeRoot.Children, 0);
}
