using Psychlops;

namespace PsychlopsSilverlight3test
{
	public class PsychlopsMain
	{
		Canvas cnvs;
		Image img;
		Rectangle fixation;
		int isize = 100;
		double tfreq = 1;

		public void initialize()
		{
			cnvs = new Canvas(500, 500);
			img = new Image(isize * 2, isize * 2);
			fixation = new Rectangle(10, 10);
			cnvs.clear(Color.gray);
		}

		public void each_frames()
		{
			cnvs.clear(new Color(Mouse.left.pressed() ? 1.0 : 0.5));
			img.field(
				(x, y) => new Color(.5 + Math.gaussian(Math.radius(x - isize, y - isize), isize / 8.0) * .5 * Math.sin(cnvs.frame * 2 * Math.PI / tfreq / 60 + x / 3.0))
					);
			img.centering(Mouse.position);
			//img.shift(1,0);
			img.draw();
			fixation.centering();
			fixation.draw(Color.red);
			cnvs.flip();
		}
	}
}