rglGetDynamicBillboardAxis

procedure rglGetDynamicBillboardAxis(
const aObjectIndex: Integer;
var aAxisX, aAxisY, aAxisZ : Single);
stdcall;

Get the billboard axis of the object to any arbitraty axis.

Parameters
aObjectIndex - A Reference to one of the previously created dynamic objects
aAxisX, aAxisY, aAxisZ - the axis that the object should rotate on

Remark
This flag is implemented for all dynamic objects except animated bone meshes