private void btnTriRect_Click(object sender, RoutedEventArgs e)
{
try
{
double width = canvas.ActualWidth;
double height = canvas.ActualHeight;
Point[] poly1 = new Point[] {
new Point(_rand.NextDouble() * width, _rand.NextDouble() * height),
new Point(_rand.NextDouble() * width, _rand.NextDouble() * height),
new Point(_rand.NextDouble() * width, _rand.NextDouble() * height)
};
Point rectPoint = new Point(_rand.NextDouble() * (width * .75d), _rand.NextDouble() * (height * .75d)); // don't let it start all the way at the bottom right
Rect rect = new Rect(
rectPoint,
new Size(_rand.NextDouble() * (width - rectPoint.X), _rand.NextDouble() * (height - rectPoint.Y)));
Point[] poly2 = new Point[] { rect.TopLeft, rect.TopRight, rect.BottomRight, rect.BottomLeft };
Point[] intersect = SutherlandHodgman.GetIntersectedPolygon(poly1, poly2);
canvas.Children.Clear();
ShowPolygon(poly1, _subjectBack, _subjectBorder, 1d);
ShowPolygon(poly2, _clipBack, _clipBorder, 1d);
ShowPolygon(intersect, _intersectBack, _intersectBorder, 3d);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void btnConvex_Click(object sender, RoutedEventArgs e)
{
try
{
Point[] poly1 = new Point[] { new Point(50, 150), new Point(200, 50), new Point(350, 150), new Point(350, 300), new Point(250, 300), new Point(200, 250), new Point(150, 350), new Point(100, 250), new Point(100, 200) };
Point[] poly2 = new Point[] { new Point(100, 100), new Point(300, 100), new Point(300, 300), new Point(100, 300) };
Point[] intersect = SutherlandHodgman.GetIntersectedPolygon(poly1, poly2);
canvas.Children.Clear();
ShowPolygon(poly1, _subjectBack, _subjectBorder, 1d);
ShowPolygon(poly2, _clipBack, _clipBorder, 1d);
ShowPolygon(intersect, _intersectBack, _intersectBorder, 3d);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}