/// <summary>
/// Draws a billboard in world space facing the +Z direction of the matrix given. Units in meters,
/// matrix transform notwithstanding. Dont forget to compensate for perspective scaling!
/// </summary
public void Draw(ref CroppedBox box, ref MatrixD matrix)
{
ContainmentType containment = ContainmentType.Contains;
if (box.mask != null)
{
box.mask.Value.Contains(ref box.bounds, out containment);
}
if (containment != ContainmentType.Disjoint)
{
if (updateMatFit && matFrame.Material != Material.Default)
{
Vector2 boxSize = box.bounds.Size;
minBoard.texCoords = matFrame.GetMaterialAlignment(boxSize.X / boxSize.Y);
updateMatFit = false;
}
if (containment == ContainmentType.Contains)
{
minBoard.Draw(ref box, ref matrix);
}
else if (containment == ContainmentType.Intersects && matFrame.Material == Material.Default)
{
minBoard.DrawCropped(ref box, ref matrix);
}
else
{
minBoard.DrawCroppedTex(ref box, ref matrix);
}
}
}
