public void renderCells(ssBVHNode <SSObject> n, ref SSAABB parentbox, int depth)
{
float nudge = 0f;
if (parentbox.Equals(n.box))
{
// attempt to nudge out of z-fighting
nudge = 0.2f;
}
if (highlightNodes.Contains(n))
{
if (n.gobjects == null)
{
GL.Color4(Color.FromArgb(255, 25, 25, 100));
}
else
{
GL.Color4(Color.Green);
}
}
else
{
if (n.gobjects == null)
{
GL.Color4(Color.FromArgb(255, 20, 20, 20));
}
else
{
GL.Color4(Color.DarkRed);
}
}
Vector3 nudgeVect = new Vector3(nudge);
Vector3 scale = n.box.max - n.box.min - 2f * nudgeVect;
Matrix4 mat = Matrix4.CreateScale(scale) * Matrix4.CreateTranslation(n.box.min + nudgeVect);
GL.PushMatrix();
GL.MultMatrix(ref mat);
ibo.DrawElements(PrimitiveType.Lines, false);
GL.PopMatrix();
if (n.right != null)
{
renderCells(n.right, ref n.box, depth: depth + 1);
}
if (n.left != null)
{
renderCells(n.left, ref n.box, depth: depth + 1);
}
}
internal bool refitVolume(SSBVHNodeAdaptor <GO> nAda)
{
if (gobjects.Count == 0)
{
throw new NotImplementedException();
} // TODO: fix this... we should never get called in this case...
SSAABB oldbox = box;
computeVolume(nAda);
if (!box.Equals(oldbox))
{
if (parent != null)
{
parent.childRefit(nAda);
}
return(true);
}
else
{
return(false);
}
}