public bool LoadSavedExport(UInt32 step) { if (step > _maxStep) { return(false); } if (step < _minStep) { return(false); } int index = CalculateExportIndex(step); PBodyExport2D export = bodyExports[index]; linearVelocity = export.linearVelocity; angularVelocity = export.angularVelocity; position = export.position; angle = export.angle; Parallel2D.UpdateBodyTransForm(this, position, angle); Parallel2D.UpdateBodyVelocity(this, linearVelocity, angularVelocity); return(true); }