private void ButtonDefault_Click(object sender, RoutedEventArgs e)
{
//reset options
//reset rotate angle
OX_rotate.Value = 0;
OY_rotate.Value = 0;
OZ_rotate.Value = 0;
//reset zoom
OX_delatate.Value = 1;
OY_delatate.Value = 1;
OZ_delatate.Value = 1;
//reset move
OX_translate.Value = 0;
OY_translate.Value = 0;
OZ_translate.Value = 0;
//reset mirror
MirrorOX.IsChecked = false;
MirrorOY.IsChecked = false;
MirrorOZ.IsChecked = false;
//delete dipyramid
gr1.Children.Remove(dip);
//create and add new dipyramid
dip = new Dipyramid();
gr1.Children.Add(dip);
dip.reDraw();
}
private void SliderOX_rotate_ValueChanged(object sender, RoutedPropertyChangedEventArgs <double> e)
{
Slider sl = (Slider)sender;
//if (sl.Value < 0)
//{
// dip.rotAngle.X = sliderXAngle_last_value - sl.Value;
//}
//else
//{
// dip.rotAngle.X = sl.Value - sliderXAngle_last_value;
//}
//get angle for rotation about OX in radians, as the difference between current and previous value
dip.rotAngle.X = sl.Value * Math.PI / 180 - sliderXAngle_last_value;
dip.reDraw();
sliderXAngle_last_value = sl.Value * Math.PI / 180;
}