Flash 3D Function

GEN_putObjectIn3dScene = function (theClip, cameraDistanceFromTracerPlane, x, y, z, vanishingPointX, vanishingPointY) {
 if (z<0) {
  theClip._alpha = 0;
 } else {
  theClip._alpha = 100;
 }
 var zfactor = cameraDistanceFromTracerPlane/z;
 theClip._x = x*zfactor+vanishingPointX;
 theClip._y = y*zfactor+vanishingPointY;
 theClip._xscale = 100*zfactor;
 theClip._yscale = 100*zfactor;
 theClip.cacheAsBitmap();
 theClip.swapDepths(Math.floor(100000-z));
};