using Psychlops;

namespace PsychlopsSilverlight4test
{

	public class PsychlopsMain
	{

		Psychlops.Canvas cnvs;
		int i;
		double x, y, z, t, p, temp, xx, yy;

		//Set Target Initial Value
		double TargetEcce = 100.0, TargetSize = 5.0, TargetNumber = 5, Rotate = 0.0;

		//Set Background Initial Value
		double DotNumber = 50, thetaSpeed = 3.0, Axis = 0.0, BGRadii = 150, BGSize = 5.0;

		public void psychlops_main()
		{
			cnvs = new Canvas(500, 500);

			//Declare background dots and target
			Rectangle[] BGDot = new Rectangle[2048];
			for(int i=0; i<2048; i++){
				BGDot[i]=new Rectangle();
			}
			Rectangle[] Target= new Rectangle[10];
			for(int i=0; i<10; i++){
				Target[i]=new Rectangle();
			}


			//Declare Matrix to keep back ground dots' coordinate value
			double[] DotX=new double[2048];
			double[] DotY = new double[2048];


			//Set Independent variables to manipulate


			//Initialize positions of background dots
			for(int i=0; i<2048; i++){
				t=2.0*Math.PI*Math.random(1.0);
				p=2.0*Math.PI*Math.random(1.0);
				DotX[i]=t;
				DotY[i]=p;

				x=BGRadii*Math.cos(t)*Math.cos(p);
				y=BGRadii*Math.sin(t)*Math.cos(p);
				BGDot[i].set(BGSize, BGSize);
				BGDot[i].centering().shift(x,y);
			}

			//Initialize positions of targets
			for(int i=0; i<10; i++)Target[i].set(TargetSize, TargetSize);

			double COS, SIN;
			DotNumber = 200;
			//Main stimulus loop
			while(true){
				//Clear the main window
				cnvs.clear(Color.green);


				temp=Axis/360*2*Math.PI;
				COS=Math.cos(temp);
				SIN=Math.sin(temp);

				//Calculate positions of background dots and set them
				for(int i=0; i<DotNumber; i++){
					//Calculate in polar coordinate
					t=DotX[i]+2.0*Math.PI*thetaSpeed/360.0;
					p=DotY[i];

					//Save current position
					DotX[i]=t;

					//Convert to Decartes coordinate
					x=BGRadii*Math.cos(t)*Math.cos(p);
					y=BGRadii*Math.sin(t)*Math.cos(p);
					z=BGRadii*Math.sin(p);
					xx=x;
					yy=SIN*y+COS*z;

					//Set Dotsize and Draw them
					BGDot[i].set(BGSize, BGSize);
					BGDot[i].centering().shift(xx,yy);
					BGDot[i].draw( Color.blue );
				}

				//Calculate positions of targets and set them
				temp=Rotate*2*Math.PI/360.0;
				for (int i = 0; i < 5; i++)
				{
					t = 2.0 * Math.PI/TargetNumber;
					x = TargetEcce*Math.cos(i*t+temp);
					y = TargetEcce*Math.sin(i*t+temp);
					Target[i].centering().shift(x,y);
					Target[i].fill = Color.yellow;
					Target[i].draw();
				}

				//Reflect drawing at the next frame;
				cnvs.flip();
			}
		}
	}

}

/*
using Psychlops;

namespace PsychlopsSilverlight4test
{
	public class PsychlopsMain
	{
		public void psychlops_main()
		{
			var figure_type = Psychlops.Widgets.Browser.Element.byID("FIGURE");
			var size_x = Psychlops.Widgets.Browser.Element.byID("SIZE_X");
			var size_y = Psychlops.Widgets.Browser.Element.byID("SIZE_Y");
			var shift_x = Psychlops.Widgets.Browser.Element.byID("SHIFT_X");
			var shift_y = Psychlops.Widgets.Browser.Element.byID("SHIFT_Y");
			var color_r = Psychlops.Widgets.Browser.Element.byID("COLOR_R");
			var color_g = Psychlops.Widgets.Browser.Element.byID("COLOR_G");
			var color_b = Psychlops.Widgets.Browser.Element.byID("COLOR_B");

			Canvas window = new Canvas(300, 300);

			var figure_r = new Rectangle();
			var figure_e = new Ellipse();
			Shape figure = figure_r;
			
			while (!Keyboard.esc.pushed())
			{
				if (System.String.Compare(figure_type, "Rectangle") == 0)
				{
					figure_r.set(size_x, size_y);
					figure = figure_r;
				}
				else
				{
					figure_e.set(size_x, size_y);
					figure = figure_e;
				}
				figure.fill = new Color(color_r, color_g, color_b);

				window.clear(Color.black);
				figure.centering().shift(shift_x, shift_y).draw();
				window.flip();
			}
		}
	}

}

*/


/*
using Psychlops;

namespace Psychlops
{

	public class RandomDots
	{
		Rectangle dot;
		public Point[] cood;
		public RandomDots()
		{
			cood = new Point[250];
			dot = new Rectangle(5, 5);
		}
		public void draw()
		{
			dot.fill = Color.white;
			foreach (Point p in cood)
			{
				dot.centering(p).draw();
			}
		}
	}

}



namespace PsychlopsSilverlight4test
{

	public class PsychlopsMain
	{
		Canvas cnvs;
		Image img;
		Rectangle fixation;
		Shape shape;
		Color col;
		int isize = 100;
		double tfreq = 1;
		int frames;
		RandomDots dots;

		public void psychlops_main()
		{
			cnvs = new Canvas(500, 500);
			img = new Image(isize * 2, isize * 2);
			fixation = new Rectangle(10, 10);
			fixation.fill = Color.red;
			//var poly = new Rectangle(100, 100);
			var poly = new Letters("日本語");
			//var poly = new Polygon(); poly.append(0, 100); poly.append(-100, 0); poly.append(0, -100); poly.append(100, 0);
			//var poly = new Ellipse(100, 100);
			//var poly = new Line(0,0,100, 0);
			poly.fill = Color.red;
			poly.stroke = new Stroke { color = Color.yellow, thick = 1 };
			shape = poly;

			var rng = new Interval();
			var slider = new Psychlops.Widgets.Slider("tesrt", 0 <= rng <= 5);

			dots = new RandomDots();


			while (true)
			{
				frames++;

				cnvs.clear(new Color(Mouse.left.pressed() ? 0.75 : 0.5));
				col.set(Math.random(1.0));

				fixation.centering();
				fixation.draw(Color.red);

				//Figures.drawGabor(ref img, 20, 100, 1, 0, frames * 2.0 * Math.PI / tfreq / 60);
				//Figures.drawGaussian(ref img, 20, 1);
				Figures.drawGrating(ref img, 200, 200, 20, 1, 2, frames * 2.0 * Math.PI / tfreq / 60);
				img.centering(Mouse.position);
				img.draw();

				shape.centering(Mouse.position).shift(100, 0);
				shape.draw();
				if (Keyboard.spc.pressed()) cnvs.var(Mouse.x, 100, 100);

				cnvs.var(frames, 0, 20);
				slider.value = frames / 100.0;

				fixation.shift(100, 100);
				fixation.draw(new Stroke(Color.blue, 3));

				for (int i = 0; i < dots.cood.Length; i++)
				{
					dots.cood[i].set(Math.random(500), Math.random(500));
				}
				dots.draw();

				cnvs.flip();
			}
		}
	}

}
*/