xamarin - How to draw circles or Line in UrhoSharp -

am using urhosharp game engine xamarim develop cross-platform game .... choice , compatible wpf did not know how draw shapes , went through guide , documentation , did not find way maybe draw circles,rounded shapes,annulus or geometric type knows or me . grateful .

thanks in advance

i tried piece of code no circle appeared in screen:

debugrenderer debug = new debugrenderer(); debug.addcircle(new vector3(50,50,0),new vector3(100,25,0),50,color.magenta,2 ,true  );         (int = 0; < 512; ++i)                 {                     var start = new vector3(i, 0, 0);                     var end = new vector3(i, 100, 0);                      debug.addline(start, end, color.white, false);                     debug.addcircle(start, end, 50f, color.red, i, false);                 }      scene.addcomponent(debug); 

just want note debugrenderrender intended debugging purposes. if want make debugrenderer work need subscribe postrenderupdate this:

engine.subscribetopostrenderupdate(args => yourmethodhandler); 

usually in setup. , yourmethodhandler like:

protected void yourmethodhandler() {     // requires have added debugrenderer     // component in scene object     var debugrenderer = scene.getcomponent<debugrenderer>();      if (debugrenderer != null)     {         // drawing code here         // draw rectangle example:          var upperbound = new vector3(-4.0f, 2.0f, 0.0f);         var lowerbound = new vector3(4.0f, -2.0f, 0.0f);         debugrenderer.addboundingbox(             new boundingbox(upperbound, lowerbound),              color.white,              false);     } }