-\r
+using Psychlops;\r
\r
+namespace PsychlopsSilverlightApp\r
+{\r
+\r
+ public class PsychlopsMain\r
+ {\r
+\r
+\r
+ public void psychlops_main() {\r
+\r
+ Canvas display = new Canvas(768,768);\r
+\r
+ double rect_size = 100;\r
+ double rect_lum = 0.5;\r
+ double bg_lum = 0.5;\r
+ double size = 250.0;\r
+ double sigma;\r
+ sigma = size/6.0;\r
+ double lambda;\r
+ lambda = 6*sigma;\r
+ int envelopemode = 0;\r
+ double refresh = display.getRefreshRate();\r
+ double[] SF=new double[2];\r
+\r
+ SF[0]=4.0;\r
+ SF[1]=4.0;\r
+\r
+ double phase=0;\r
+\r
+ double[] initphase = new double[2];\r
+ double _i, _j, _x, _y, _x2, _y2, col;\r
+ double amplitude = 1.0;\r
+\r
+ Rectangle fixation1 = new Rectangle(3,9);\r
+ Rectangle fixation2 = new Rectangle(9,3);\r
+ fixation1.centering();\r
+ fixation2.centering();\r
+ Rectangle contrastrect = new Rectangle();\r
+ contrastrect.set(760,760);\r
+\r
+ Image envelope = new Image();\r
+ Psychlops.Color bglum= new Color(0.5,0.5,0.5);\r
+ Psychlops.Color masklum = new Color(0.5,0.5,0.5,0.5);\r
+\r
+ Interval rng = new Interval();\r
+\r
+\r
+ Psychlops.Widgets.Slider TF;\r
+ TF = new Psychlops.Widgets.Slider("TF", 0.25<=rng<=2.0 , 0.1);\r
+ TF.value=0.75;\r
+\r
+\r
+\r
+ Psychlops.Widgets.Slider SFs;\r
+ SFs = new Psychlops.Widgets.Slider("SF", 4.0<=rng<=16.0 , 4.0);\r
+ SFs.value = 4.0;\r
+\r
+ Psychlops.Widgets.Slider contrast;\r
+ contrast= new Psychlops.Widgets.Slider("Contrast", 0.0<=rng<=1.0 , 0.1);\r
+ contrast.value = 0.1;\r
+\r
+\r
+ var element = StaticFunctions.NewArray<Figures.ShaderGabor>(2);\r
+ for (int i = 0; i < element.Length; i++){\r
+ element[i].setSigma(sigma); // set a size of patch as a halfwidth of Gaussian\r
+ element[i].orientation = Math.PI/4.0+Math.PI/2.0*(1-i);//Math.PI/2*(rand()%2);// //set orientations\r
+ initphase[i]=0;\r
+ }\r
+\r
+\r
+\r
+ envelope.set(size, size);\r
+ envelope.clear(bglum);\r
+\r
+ for(int i=0; i<size; i++){\r
+ for(int j=0; j<size; j++){\r
+ _i=i-size*0.5;\r
+ _j=j-size*0.5;\r
+ _x=_i*Math.cos(-Math.PI/4.0)+_j*Math.sin(-Math.PI/4.0);\r
+ _y=-_i*Math.sin(-Math.PI/4.0)+_j*Math.cos(-Math.PI/4.0);\r
+ col=Math.exp(-(_x*_x)/(2*Math.pow(sigma*2/6.0,2.0))-(_y*_y)/(2*Math.pow(sigma*2,2.0)));\r
+ envelope.alpha(i,j,1.0-col);\r
+\r
+ }\r
+ }\r
+\r
+\r
+ while(!Keyboard.esc.pushed()) {\r
+ if(Keyboard.spc.pushed())envelopemode++; envelopemode%=2;\r
+ Display.clear(bglum);\r
+ phase ++;\r
+ //phase = fmod(phase,60);\r
+\r
+ for(int i=0; i<2; i++) {\r
+ element[i].phase =(SF[i]/SF[0])*amplitude*\r
+Math.PI*Math.sin(Math.PI/2*i+2*Math.PI*phase*TF/refresh);\r
+ element[i].wavelength = lambda/SF[i];\r
+ element[i].contrast = contrast;\r
+ }\r
+\r
+\r
+ element[0].centering().shift(-size * 0.6, -size * 0.6);\r
+ element[0].draw();\r
+ element[1].centering().shift(size*0.6,-size*0.6);\r
+ element[1].draw();\r
+ element[1].centering().shift(-size*0.6,size*0.6);\r
+ element[1].draw();\r
+ element[0].centering().shift(size*0.6,size*0.6);\r
+ element[0].draw();\r
+\r
+\r
+ if(envelopemode>0){\r
+ envelope.centering().shift(size*0.6,-size*0.6).draw();\r
+ envelope.centering().shift(-size*0.6,size*0.6).draw();\r
+ }\r
+ masklum.set(bg_lum, bg_lum, bg_lum, 1-contrast);\r
+ contrastrect.centering();\r
+ contrastrect.draw(masklum);\r
+ fixation1.centering().shift(size*2,0.0);\r
+ fixation1.draw(Color.red);\r
+ fixation2.centering().shift(size*2,0.0);\r
+ fixation2.draw(Color.red);\r
+\r
+ Display.flip();\r
+\r
+\r
+ }\r
+\r
+}\r
+\r
+\r
+\r
+ }\r
+\r
+}\r
+/*\r
\r
using Psychlops;\r
//Position Bias Program\r
//img3.centering().shift(0, isize * 1.5).draw();\r
\r
\r
- foreach (var g in gabor1)\r
+ //foreach (var g in gabor1)\r
+ for (int i = 0; i < gabor1.Length; i++)\r
{\r
- g.wavelength = lambda;\r
- g.phase = (double)frames * 2.0 * Math.PI * tfreq / 60;\r
- g.contrast = contrast;\r
+ gabor1[i].wavelength = lambda;\r
+ gabor1[i].phase = (double)frames * 2.0 * Math.PI * tfreq / 60;\r
+ gabor1[i].contrast = contrast;\r
//g.wavelength2 = lambda * 2;\r
//g.phase2 = (double)frames * 2.0 * Math.PI * tfreq / 60;\r
//g.contrast2 = contrast / 2;\r
- g.draw();\r
+ gabor1[i].draw();\r
}\r
\r
if (!Mouse.left.pressed()) frames++;\r
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