private void DrawSubdivision(ref Matrix4 mvp, Vector3 min, Vector3 size, List <KCL.OctreeNode> modelOctrees, int subdiv)
{
var BoxSize = size / 2f;
var QuarterSize = BoxSize / 2f;
int index = 0;
for (int z = 0; z < 2; z++)
{
for (int y = 0; y < 2; y++)
{
for (int x = 0; x < 2; x++)
{
var Boxmin = min + BoxSize * new Vector3(x, y, z);
var pos = BoxSize * new Vector3(x, y, z);
if (modelOctrees[index].IsSelected)
{
DrawableBoundingBox.DrawBoundingBox(mvp, QuarterSize, Boxmin + QuarterSize, System.Drawing.Color.Red);
}
else
{
DrawableBoundingBox.DrawBoundingBox(mvp, QuarterSize, Boxmin + QuarterSize, System.Drawing.Color.Green);
}
if (modelOctrees[index].Nodes.Count > 0)
{
DrawSubdivision(ref mvp, Boxmin, BoxSize, modelOctrees[index].Children, subdiv++);
}
index++;
}
}
}
}
private void DrawBoundingBoxes()
{
var boundings = GetSelectionBox();
DrawableBoundingBox.DrawBoundingBox(
new Vector3(boundings.minX, boundings.minY, boundings.minZ),
new Vector3(boundings.maxX, boundings.maxY, boundings.maxZ),
new Vector3(0)
);
return;
}