test5/PsychlopsMain.cs

   1 //Psychlops Code Template\r
   2 //    Please visit following web site to get sample codes.\r
   3 //    http://psychlops.sourceforge.jp/ja/?StartCode\r
   4 //    CodeDresser at following address is also available to view the code.\r
   5 //    http://visitope.org/Tools/codedresser.html\r
   6 \r
   7 ///+ 0 Setup Psychlops Circumstances\r
   8 //// 0 Setup Psychlops Circumstances\r
   9 using Psychlops;\r
  10 \r
  11 namespace PsychlopsSilverlightApp\r
  12 {\r
  13 \r
  14         public class PsychlopsMain\r
  15         {\r
  16                 // Psychlops Win32 1.5.5 / 20110927\r
  17                 ///- 0 Setup Psychlops Circumstances\r
  18 \r
  19                 Psychlops.Widgets.Slider SOAFrames, gap, wavelength, contrast;\r
  20 \r
  21                 public void psychlops_main() {\r
  22 \r
  23                         ///+ 1 Declaration /////////////////////////////////////////////////////////////\r
  24                         //// 1 Declaration\r
  25                         // declare default window and variables for its parameters\r
  26                         Canvas cnvs = new Canvas(900,600, Canvas.window, Display.primary);\r
  27                         double CANVAS_FRAMENUM;\r
  28                         int CANVAS_REFRESHRATE;\r
  29                         Color DEFAULT_BG_COLOR = new Color();\r
  30 \r
  31                         int gratingwidth = 500, gratingheight = 100;\r
  32                         double shift=0.0;\r
  33                         Color color = new Color(0.0,0.0,0.0);\r
  34                         Rectangle grating = new Rectangle();\r
  35 \r
  36 \r
  37                         Interval rng = new Interval();\r
  38 \r
  39                         //declare local variables around here\r
  40 \r
  41                         ///- 1 Declaration /////////////////////////////////////////////////////////////\r
  42 \r
  43                         ///+ 2 Initialization //////////////////////////////////////////////////////////\r
  44                         //// 2 Initialization\r
  45 \r
  46                         // Set initial values for local variables\r
  47                         CANVAS_REFRESHRATE = (int)cnvs.getRefreshRate();\r
  48                         CANVAS_FRAMENUM = 0;\r
  49                         DEFAULT_BG_COLOR.set(127.0/255.0,127.0/255.0,127.0/255.0,1.0); // default background color is 127/255 mid-gray\r
  50 \r
  51 \r
  52                         SOAFrames = new Psychlops.Widgets.Slider("SOA Frames", 1  <=rng<=20  ,  1   , 1);\r
  53                         SOAFrames.value = 5;\r
  54                         gap = new Psychlops.Widgets.Slider("Grating gap" , 0  <=rng<=200 ,  1   , 10);\r
  55                         gap.value = 20;\r
  56                         wavelength = new Psychlops.Widgets.Slider("Wave Length", 1 <= rng <= 50, 1, 10);\r
  57                         wavelength.value = 30.0;\r
  58                         contrast = new Psychlops.Widgets.Slider("Contrast"    , 0.0<=rng<=1.0 ,  0.1 , 0.01);\r
  59                         contrast.value = 0.1;\r
  60 \r
  61                         // Draw Offline images around here\r
  62 \r
  63                         // Offline Movie calculation using Image array around here\r
  64 \r
  65                         ///- 2 Initialization //////////////////////////////////////////////////////////\r
  66 \r
  67                         ///+ 3 Drawing /////////////////////////////////////////////////////////////////\r
  68                         //// 3 Drawing\r
  69                         while(!Keyboard.esc.pushed()) {\r
  70                         cnvs.clear(DEFAULT_BG_COLOR);\r
  71 \r
  72                         //Write draw commands for realtime figure calculation and drawing around here\r
  73 \r
  74 \r
  75                         if(Math.mod(CANVAS_FRAMENUM,SOAFrames) == 0){shift += 1;}\r
  76 \r
  77                         grating.set(1,gratingheight).centering().shift(-gratingwidth/2, 0);\r
  78                         for(int i=0; i<gratingwidth; i++) {\r
  79                                 color.set(\r
  80                                                         + 0.25*contrast*Math.sin(2*Math.PI*(i*2.0/wavelength + 0.50 * shift))\r
  81                                                         + 0.25*contrast*Math.sin(2*Math.PI*(i*3.0/wavelength + 0.75 * shift))\r
  82                                                         +0.5\r
  83                                                         );\r
  84                                 grating.shift(1, 0);\r
  85                                 grating.draw(color);\r
  86                         }\r
  87 \r
  88                         grating.set(1,gratingheight).centering().shift(-gratingwidth/2, -gratingheight-gap);\r
  89                         for(int i=0; i<gratingwidth; i++) {\r
  90                                 color.set(\r
  91                                                         + 0.25*contrast*Math.sin(2.0*Math.PI*(i*2.0/wavelength + 0.50 * shift))\r
  92                                                         +0.5\r
  93                                                         );\r
  94                                 grating.shift(1,0);\r
  95                                 grating.draw(color);\r
  96                         }\r
  97 \r
  98                         grating.set(1,gratingheight).centering().shift(-gratingwidth/2, gratingheight+gap);\r
  99                         for(int i=0; i<gratingwidth; i++) {\r
 100                                 color.set(\r
 101                                                         + 0.25*contrast*Math.sin(2.0*Math.PI*(i*3.0/wavelength + 0.75 * shift))\r
 102                                                         +0.5\r
 103                                                         );\r
 104                                 grating.shift(1,0);\r
 105                                 grating.draw(color);\r
 106                         }\r
 107 \r
 108                         cnvs.flip();\r
 109                         CANVAS_FRAMENUM++;\r
 110                         }\r
 111                         ///- 3 Drawing /////////////////////////////////////////////////////////////////\r
 112 \r
 113                 }\r
 114 \r
 115 \r
 116         }\r
 117 \r
 118 }\r
 119 \r
 120 /*\r
 121                 public void psychlops_main() {\r
 122 \r
 123        Canvas display = new Canvas(768,768);\r
 124 \r
 125        double rect_size = 100;\r
 126        double rect_lum  = 0.5;\r
 127        double bg_lum    = 0.5;\r
 128        double size = 250.0;\r
 129    double sigma;\r
 130    sigma = size/6.0;\r
 131    double lambda;\r
 132    lambda = 6*sigma;\r
 133    int envelopemode = 0;\r
 134    double refresh = display.getRefreshRate();\r
 135    double[] SF=new double[2];\r
 136 \r
 137    SF[0]=4.0;\r
 138    SF[1]=4.0;\r
 139 \r
 140    double phase=0;\r
 141 \r
 142    double[] initphase = new double[2];\r
 143    double _i, _j, _x, _y, _x2, _y2, col;\r
 144    double amplitude = 1.0;\r
 145 \r
 146        Rectangle fixation1 = new Rectangle(3,9);\r
 147    Rectangle fixation2 = new Rectangle(9,3);\r
 148        fixation1.centering();\r
 149        fixation2.centering();\r
 150    Rectangle contrastrect = new Rectangle();\r
 151    contrastrect.set(760,760);\r
 152 \r
 153    Image envelope = new Image();\r
 154    Psychlops.Color bglum= new Color(0.5,0.5,0.5);\r
 155    Psychlops.Color masklum = new Color(0.5,0.5,0.5,0.5);\r
 156 \r
 157        Interval rng = new Interval();\r
 158 \r
 159 \r
 160        Psychlops.Widgets.Slider TF;\r
 161        TF = new Psychlops.Widgets.Slider("TF", 0.25<=rng<=2.0 , 0.1);\r
 162    TF.value=0.75;\r
 163 \r
 164 \r
 165 \r
 166        Psychlops.Widgets.Slider SFs;\r
 167        SFs = new Psychlops.Widgets.Slider("SF", 4.0<=rng<=16.0 ,  4.0);\r
 168        SFs.value = 4.0;\r
 169 \r
 170    Psychlops.Widgets.Slider contrast;\r
 171        contrast= new Psychlops.Widgets.Slider("Contrast", 0.0<=rng<=1.0 ,  0.1);\r
 172        contrast.value = 0.1;\r
 173 \r
 174 \r
 175        var element =  StaticFunctions.NewArray<Figures.ShaderGabor>(2);\r
 176     for (int i = 0; i < element.Length; i++){\r
 177            element[i].setSigma(sigma); // set a size of patch as a halfwidth of Gaussian\r
 178            element[i].orientation = Math.PI/4.0+Math.PI/2.0*(1-i);//Math.PI/2*(rand()%2);// //set orientations\r
 179            initphase[i]=0;\r
 180   }\r
 181 \r
 182 \r
 183 \r
 184       envelope.set(size, size);\r
 185       envelope.clear(bglum);\r
 186 \r
 187    for(int i=0; i<size; i++){\r
 188        for(int j=0; j<size; j++){\r
 189            _i=i-size*0.5;\r
 190            _j=j-size*0.5;\r
 191            _x=_i*Math.cos(-Math.PI/4.0)+_j*Math.sin(-Math.PI/4.0);\r
 192            _y=-_i*Math.sin(-Math.PI/4.0)+_j*Math.cos(-Math.PI/4.0);\r
 193            col=Math.exp(-(_x*_x)/(2*Math.pow(sigma*2/6.0,2.0))-(_y*_y)/(2*Math.pow(sigma*2,2.0)));\r
 194            envelope.alpha(i,j,1.0-col);\r
 195 \r
 196            }\r
 197        }\r
 198 \r
 199 \r
 200        while(!Keyboard.esc.pushed()) {\r
 201            if(Keyboard.spc.pushed())envelopemode++; envelopemode%=2;\r
 202        Display.clear(bglum);\r
 203        phase ++;\r
 204        //phase = fmod(phase,60);\r
 205 \r
 206        for(int i=0; i<2; i++) {\r
 207            element[i].phase =(SF[i]/SF[0])*amplitude*\r
 208 Math.PI*Math.sin(Math.PI/2*i+2*Math.PI*phase*TF/refresh);\r
 209            element[i].wavelength = lambda/SF[i];\r
 210            element[i].contrast = contrast;\r
 211        }\r
 212 \r
 213 \r
 214        element[0].centering().shift(-size * 0.6, -size * 0.6);\r
 215        element[0].draw();\r
 216        element[1].centering().shift(size*0.6,-size*0.6);\r
 217        element[1].draw();\r
 218                element[1].centering().shift(-size*0.6,size*0.6);\r
 219        element[1].draw();\r
 220                element[0].centering().shift(size*0.6,size*0.6);\r
 221        element[0].draw();\r
 222 \r
 223 \r
 224                if(envelopemode>0){\r
 225                    envelope.centering().shift(size*0.6,-size*0.6).draw();\r
 226                    envelope.centering().shift(-size*0.6,size*0.6).draw();\r
 227                    }\r
 228        masklum.set(bg_lum, bg_lum, bg_lum, 1-contrast);\r
 229        contrastrect.centering();\r
 230        contrastrect.draw(masklum);\r
 231        fixation1.centering().shift(size*2,0.0);\r
 232        fixation1.draw(Color.red);\r
 233        fixation2.centering().shift(size*2,0.0);\r
 234        fixation2.draw(Color.red);\r
 235 \r
 236            Display.var(Mouse.x, 300, 300);\r
 237            Display.var(Mouse.y, 300, 320);\r
 238 \r
 239                Display.flip();\r
 240 \r
 241 \r
 242        }\r
 243 \r
 244 }\r
 245 \r
 246         }\r
 247 \r
 248 }\r
 249 */\r
 250 \r
 251 \r
 252 /*\r
 253 \r
 254 using Psychlops;\r
 255 //Position Bias Program\r
 256 namespace PsychlopsSilverlightApp\r
 257 {\r
 258 \r
 259         public class PsychlopsMain\r
 260         {\r
 261                 Canvas cnvs;\r
 262                 Image img, img2, img3;\r
 263                 int isize = 40;\r
 264                 int frames;\r
 265                 Psychlops.Widgets.Slider tfreq;\r
 266                 Psychlops.Widgets.Slider contrast;\r
 267                 Psychlops.Widgets.Slider lambda;\r
 268 \r
 269 \r
 270 \r
 271                 public void psychlops_main()\r
 272                 {\r
 273                         cnvs = new Canvas(300, 600);\r
 274                         Interval rng = new Interval();\r
 275                         tfreq = new Psychlops.Widgets.Slider("Temporal Frequency(Hz)", -5 <= rng <= 5, 3.0);\r
 276                         contrast = new Psychlops.Widgets.Slider("Contrast", 0.0 <= rng <= 1.0, 0.25);\r
 277                         lambda = new Psychlops.Widgets.Slider("Wave Length", 10.0 <= rng <= 120.0, 30);\r
 278 \r
 279                         img = new Image(isize * 2, isize * 2);\r
 280                         img2 = new Image(isize * 2, isize * 2);\r
 281                         img3 = new Image(isize * 2, isize * 2);\r
 282 \r
 283                         var gabor1 = StaticFunctions.NewArray<Figures.ShaderGabor>(100);\r
 284                         foreach (var g in gabor1)\r
 285                         {\r
 286                                 g.setSigma(isize/8).centering().shift(Math.random(300) - 150, Math.random(600) - 300);\r
 287                                 //g.setSize(isize).centering().shift(Math.random(300) - 150, Math.random(600) - 300);\r
 288                                 g.orientation = Math.random(2 * Math.PI);\r
 289                                 //g.orientation2 = Math.random(2 * Math.PI);\r
 290                         }\r
 291 \r
 292                         while (true)\r
 293                         {\r
 294                                 cnvs.clear(new Color(0.5));\r
 295 \r
 296                                 Figures.drawGabor(ref img, isize / 8, 1 / lambda, contrast, 0.5 * Math.PI, (double)frames * 2.0 * Math.PI * tfreq / 60);\r
 297                                 Figures.drawGabor(ref img2, isize / 8, 1 / lambda, contrast, 0.5 * Math.PI, (double)frames * 2.0 * Math.PI * -tfreq / 60);\r
 298                                 Figures.drawGabor(ref img3, isize / 8, 1 / lambda, contrast, 0.5 * Math.PI, (double)frames * 2.0 * Math.PI * tfreq / 60);\r
 299 \r
 300 \r
 301                                 //img.centering().shift(0, -isize * 1.5).draw();\r
 302                                 //img2.centering().draw();\r
 303                                 //img3.centering().shift(0, isize * 1.5).draw();\r
 304 \r
 305 \r
 306                                 //foreach (var g in gabor1)\r
 307                                 for (int i = 0; i < gabor1.Length; i++)\r
 308                                 {\r
 309                                         gabor1[i].wavelength = lambda;\r
 310                                         gabor1[i].phase = (double)frames * 2.0 * Math.PI * tfreq / 60;\r
 311                                         gabor1[i].contrast = contrast;\r
 312                                         //g.wavelength2 = lambda * 2;\r
 313                                         //g.phase2 = (double)frames * 2.0 * Math.PI * tfreq / 60;\r
 314                                         //g.contrast2 = contrast / 2;\r
 315                                         gabor1[i].draw();\r
 316                                 }\r
 317 \r
 318                                 if (!Mouse.left.pressed()) frames++;\r
 319 \r
 320                                 cnvs.flip();\r
 321                         }\r
 322                 }\r
 323         }\r
 324 }\r
 325 \r
 326 \r
 327 /*\r
 328 ///+ Prefix linkto BasicCode1\r
 329 //// Lines for set up Psychlops environment\r
 330 using Psychlops;\r
 331 \r
 332 namespace PsychlopsSilverlightApp\r
 333 {\r
 334 \r
 335         public class PsychlopsMain\r
 336         {\r
 337                 ///- Prefix linkto BasicCode1\r
 338 \r
 339 \r
 340                 ///+ Main Routine\r
 341                 //// Psychlops runs at the first line of this function psychlops_main().\r
 342                 public void psychlops_main()\r
 343                 {\r
 344 \r
 345                         ///+ 0 SetGlobal\r
 346                         ////Prepare global parameters\r
 347                         Rectangle p1 = new Rectangle(1,1);\r
 348                         Color col1 = new Color();\r
 349                         double width=50;\r
 350                         double height=10;\r
 351                         double lambda=60;\r
 352                         double lmean=0.25, contrast = 0.5;\r
 353                         double x0 = 0;\r
 354                         double y0 = 0;\r
 355                     double pitch = 1;\r
 356                         Canvas disp = new Canvas(Canvas.window, Display.secondary);\r
 357                         \r
 358                         var fieldW_ = Psychlops.Widgets.Browser.Element.byID("fieldW");\r
 359                         var fieldH_ = Psychlops.Widgets.Browser.Element.byID("fieldH");\r
 360                         var wL_     = Psychlops.Widgets.Browser.Element.byID("wL");\r
 361                         var Cont_   = Psychlops.Widgets.Browser.Element.byID("Cont");\r
 362                         var ix_     = Psychlops.Widgets.Browser.Element.byID("ix");\r
 363                         var iy_     = Psychlops.Widgets.Browser.Element.byID("iy");\r
 364                         var gap_    = Psychlops.Widgets.Browser.Element.byID("gap");\r
 365                         ///- 0 SetGlobal\r
 366 \r
 367                         ///+ 1 Initialize\r
 368                         ////initialize\r
 369                         p1.centering().shift(-width*0.5 + x0, -height*0.5 + y0); //Move a point to the initial position.\r
 370                         ///- 1 Initialize\r
 371 \r
 372                         ///+ 2 Drawing\r
 373                          ////drawing objects\r
 374                         for(int i=0; i < width; i++)\r
 375                         {\r
 376                                 col1.set(lmean*((contrast*Math.sin((2*Math.PI*i/lambda)))+1)); //Set a color.\r
 377 \r
 378                                 ///+ 2.1 Drawing a column\r
 379                                 ////drawing a column\r
 380                                 for(int j=0;j < height; j++)\r
 381                                 {\r
 382                                         p1.draw(col1);\r
 383                                         p1.shift(0, pitch);\r
 384                                 }\r
 385                                 ///- 2.1 Drawing a column\r
 386 \r
 387                                 p1.shift(1, -height * pitch); //back to vertical intitial point after drawing one column.\r
 388                         }\r
 389                         disp.flip();\r
 390                         ///- 2 Drawing\r
 391 \r
 392                         while (!Keyboard.spc.pushed()) { }; //Wait until space key is pressed.\r
 393                 }\r
 394 \r
 395 \r
 396         }\r
 397 \r
 398 }\r
 399  * */\r
 400 \r
 401 \r
 402 /*\r
 403 ///+ Prefix\r
 404 //// Lines for set up Psychlops environment\r
 405 using Psychlops;\r
 406 \r
 407 namespace PsychlopsSilverlightApp\r
 408 {\r
 409 \r
 410         public class PsychlopsMain\r
 411         {///- Prefix\r
 412 \r
 413 \r
 414 \r
 415                 ///+ Main Routine\r
 416                 //// Psychlops runs at the first line of this function psychlops_main().\r
 417                 public void psychlops_main()\r
 418                 {\r
 419                         Canvas window = new Canvas(300, 300); //Create a window. Here, window variables are preset mode.\r
 420 \r
 421                         var FIGURE = Psychlops.Widgets.Browser.Element.byID("FIGURE");\r
 422                         var SIZE_X_ = Psychlops.Widgets.Browser.Element.byID("SIZE_X");\r
 423                         var SIZE_Y_ = Psychlops.Widgets.Browser.Element.byID("SIZE_Y");\r
 424                         var COLOR_R = Psychlops.Widgets.Browser.Element.byID("COLOR_R");\r
 425                         var COLOR_G = Psychlops.Widgets.Browser.Element.byID("COLOR_G");\r
 426                         var COLOR_B = Psychlops.Widgets.Browser.Element.byID("COLOR_B");\r
 427                         var COLOR_BG = Psychlops.Widgets.Browser.Element.byID("COLOR_BG");\r
 428                         var Period_Size = Psychlops.Widgets.Browser.Element.byID("Period_Size");\r
 429                         var Period_Position = Psychlops.Widgets.Browser.Element.byID("Period_Position");\r
 430                         var Speed_HSize_ = Psychlops.Widgets.Browser.Element.byID("Speed_HSize");\r
 431                         var Speed_VSize = Psychlops.Widgets.Browser.Element.byID("Speed_VSize");\r
 432                         var Speed_VMotion = Psychlops.Widgets.Browser.Element.byID("Speed_VMotion");\r
 433                         double SIZE_X = SIZE_X_, SIZE_Y = SIZE_Y_;\r
 434 \r
 435                         ///+ 2\r
 436                         ////  Set a figure size, position and color.\r
 437                         Rectangle figure = new Rectangle();\r
 438                         Ellipse figure2 = new Ellipse();\r
 439                         figure.set(SIZE_X_, SIZE_Y_); // Set the size of figure.\r
 440                         figure2.set(SIZE_X_, SIZE_Y_); // Set the size of figure.\r
 441                         figure.centering().shift(0, 0); // Move the figure to the starting point.\r
 442                         figure2.centering().shift(0, 0); // Move the figure to the starting point.\r
 443                         ///- 2\r
 444 \r
 445                         int frame = 0;\r
 446                         int looming_direction = 1, motion_dir = 1;\r
 447                         double direction = 1.0;\r
 448                         //looming_direction is a variable for size change.\r
 449                         //motion_dir is a variable for motion direction.\r
 450                         ///+ 3 Drawing loop\r
 451                         //// Draw each frames in a "while loop".\r
 452                         while (!Keyboard.esc.pushed())\r
 453                         { //exit a program when the escape key is pressed down.\r
 454                                 window.clear(COLOR_BG); // Clear the window with a designated gray-scale level.\r
 455 \r
 456                                 ///+ 3.1\r
 457                                 //// Calculate object's position and size for each frame.\r
 458 \r
 459                                 if (frame % Period_Size == 0)\r
 460                                 { // a direction of size change will reverse at designated frames.\r
 461                                         looming_direction = looming_direction * -1;\r
 462                                 }\r
 463 \r
 464                                 if (frame % Period_Position == 0)\r
 465                                 { // motion direction will reverse at designated frames.\r
 466                                         motion_dir *= -1;\r
 467                                 }\r
 468 \r
 469                                 ///- 3.1\r
 470 \r
 471                                 ///+ 3.2 \r
 472                                 //// Settting figure's properties\r
 473                                 figure.resize(figure.getWidth() + looming_direction * 1, // Scaling the figure in a direction given by "looming_direction".\r
 474                                                                  figure.getHeight() + looming_direction * 1);// Scaling the figure in a direction given by "looming_direction".\r
 475                                 figure.shift(motion_dir * 1.0, motion_dir * Speed_VMotion);// Move the figure for 1 pixel in direction given by "motion_dir". \r
 476                                 figure2.resize(figure.getWidth() + looming_direction * 1, // Scaling the figure in a direction given by "looming_direction".\r
 477                                                                 figure.getHeight() + direction * Speed_VSize);// Scaling the figure in a direction given by "looming_direction".\r
 478                                 figure2.shift(motion_dir * 1.0, motion_dir * Speed_VMotion);// Move the figure for 1 pixel in direction given by "motion_dir". \r
 479                                 /*\r
 480                                 figure.resize(figure.getWidth() + looming_direction * 1, // Scaling the figure in a direction given by "looming_direction".\r
 481                                                          figure.getHeight() + looming_direction * 1);// Scaling the figure in a direction given by "looming_direction".\r
 482                                 figure.shift(motion_dir * 1.0, motion_dir * Speed_VMotion);// Move the figure for 1 pixel in direction given by "motion_dir". \r
 483                                 figure2.resize(figure.getWidth() + looming_direction * 1, // Scaling the figure in a direction given by "looming_direction".\r
 484                                                                 figure.getHeight() + direction * Speed_VSize);// Scaling the figure in a direction given by "looming_direction".\r
 485                                 figure2.shift(motion_dir * 1.0, motion_dir * Speed_VMotion);// Move the figure for 1 pixel in direction given by "motion_dir". \r
 486                                  * * /\r
 487                                 ///- 3.2\r
 488 \r
 489                                 ///+ 3.3 \r
 490                                 ////Drawing\r
 491                                 if ("Rectangle".Equals(FIGURE))\r
 492                                 {\r
 493                                         figure.draw(new Color(COLOR_R, COLOR_G, COLOR_B)); // Drawing the figure with a designated color at designated position.\r
 494                                 }\r
 495                                 else\r
 496                                 {\r
 497                                         figure2.draw(new Color(COLOR_R, COLOR_G, COLOR_B)); // Drawing the figure with a designated color at designated position.\r
 498                                 }\r
 499                                 window.flip(); // Reflect the drawing for the display by flipping frame buffers.\r
 500                                 ///- 3.3\r
 501 \r
 502                                 ///+ 3.4\r
 503                                 ////make a step for next frames \r
 504                                 frame++;\r
 505                                 ///- 3.4\r
 506                         }\r
 507                         ///- 3 Drawing loop\r
 508 \r
 509                 }\r
 510                 ///- Main Routine\r
 511 \r
 512 \r
 513         }\r
 514 \r
 515 }\r
 516 \r
 517 \r
 518 \r
 519 /*\r
 520 //The reversed-phi motion.\r
 521 //Anstis (1970)\r
 522 //Phi movement as a subtraction process. Vision Res 10:1411?1430\r
 523 \r
 524 ///+ Prefix\r
 525 //// Include Psychlops Package\r
 526 using Psychlops;\r
 527 \r
 528 namespace PsychlopsSilverlightApp\r
 529 {\r
 530 \r
 531         public class PsychlopsMain\r
 532         {\r
 533 \r
 534                 ///- Prefix\r
 535 \r
 536                 ///+ Stimulus drawing function\r
 537                 //// A function for stimulus drawing (main body)\r
 538                 void RectLuminance()\r
 539                 {\r
 540 \r
 541                         ///+ Preperation\r
 542                         //// Declare and initialize local variables\r
 543                         double rect_size = 20;\r
 544 \r
 545                         double bg_lum = 0.5;\r
 546                         double radii = 200;\r
 547                         double rect_lum;\r
 548                         int element_number = 25;\r
 549                         int radial_row = 5;\r
 550 \r
 551                         double rotation_tf = 0.2;\r
 552                         double polarity = 1;\r
 553                         double rotation;\r
 554 \r
 555                         double contrastflag = 1;\r
 556                         int period = 3;\r
 557                         double refresh;\r
 558 \r
 559                         Canvas display = new Canvas(Canvas.window); //Prepare drawing window\r
 560                         refresh = Display.getRefreshRate();\r
 561 \r
 562                         Ellipse rect = new Ellipse();\r
 563                         rect.set(rect_size, rect_size);\r
 564 \r
 565                         Ellipse fixation = new Ellipse(5, 5);\r
 566                         fixation.centering();\r
 567 \r
 568                         Letters let1 = new Letters("Press Space key to change stimulus type");\r
 569                         let1.centering().shift(-180, 220);\r
 570                         Letters let2 = new Letters("Phi");\r
 571                         let2.centering().shift(-10, 200);\r
 572                         Letters let3 = new Letters("Reversed-Phi");\r
 573                         let3.centering().shift(-60, 200);\r
 574 \r
 575                         rotation = Math.random(2 * Math.PI);\r
 576 \r
 577                         ///+ user interface\r
 578                         ////register variables to demo circumstances\r
 579                         Interval rng = new Interval();\r
 580 \r
 581                         Psychlops.Widgets.Slider rect_contrast;\r
 582                         rect_contrast = new Psychlops.Widgets.Slider("Contrast", 0.1 <= rng <= 1.0, 0.1);\r
 583                         rect_contrast.value = 0.5;\r
 584                         ///- user interface\r
 585                         ///- Preperation\r
 586 \r
 587                         ///+ Main loop\r
 588                         ////Main loop\r
 589                         int frame = 0;\r
 590                         //AppState::setThreadPriority(AppState::HIGH);\r
 591                         while (true)\r
 592                         {\r
 593                                 frame++;\r
 594                                 if (Keyboard.spc.pushed()) contrastflag = -contrastflag;\r
 595                                 if (contrastflag < 0) polarity = -polarity;\r
 596                                 rotation = 2 * Math.PI * rotation_tf * frame * period / refresh;\r
 597 \r
 598                                 for (int frame_now = 0; frame_now < period; frame_now++)\r
 599                                 {\r
 600                                         Display.clear(new Color(bg_lum));\r
 601                                         for (int j = 0; j < radial_row; j++)\r
 602                                         {\r
 603                                                 rect.resize(rect_size * (j + radial_row) / 10.0, rect_size * (j + radial_row) / 10.0);\r
 604                                                 for (double i = 0; i < element_number; i++)\r
 605                                                 {\r
 606                                                         rect_lum = bg_lum * (1.0 + polarity * rect_contrast);\r
 607                                                         rect.centering().shift(radii * (j + radial_row) / 10.0 * Math.cos(rotation + i * 2 * Math.PI / element_number), radii * (j + radial_row) / 10.0 * Math.sin(rotation + i * 2 * Math.PI / element_number));\r
 608                                                         rect.draw(rect_lum);\r
 609                                                 }\r
 610                                         }\r
 611                                         fixation.draw(Color.red);\r
 612                                         let1.draw();\r
 613                                         if (contrastflag > 0) let2.draw();\r
 614                                         else let3.draw();\r
 615                                         Display.flip();\r
 616                                 }\r
 617                         }\r
 618                         ///- Main loop\r
 619                         //AppState::setThreadPriority(AppState::NORMAL);\r
 620                 }\r
 621                 ///- Stimulus drawing function\r
 622 \r
 623                 ///+ Main function for demo circumstances\r
 624                 //// Psychlops Main function\r
 625                 public void psychlops_main()\r
 626                 {\r
 627                         ///+ Demo circumstances\r
 628                         //// Spells for run demonstration circumstances\r
 629                         Procedure p = new Procedure();\r
 630                         //p.setDesign(Procedure::DEMO); //Designate that this is a demo.\r
 631                         p.setProcedure(RectLuminance);  //The argument name is a name of drawing function.\r
 632                         p.run();\r
 633                         ///- Demo circumstances\r
 634                 }\r
 635                 ///- Main function for demo circumstances\r
 636 \r
 637         }\r
 638 \r
 639 }\r
 640 \r
 641 \r
 642 \r
 643 /*\r
 644 //Two types of plaid motion\r
 645 //E. H. Adelson and J. A. Movshon (1982).\r
 646 //Phenomenal coherence of moving visual patterns. Nature 300, 523-525\r
 647 \r
 648 ///+ Prefix\r
 649 //// Include Psychlops Package\r
 650 using Psychlops;\r
 651 \r
 652         namespace PsychlopsSilverlightApp\r
 653         {\r
 654 \r
 655                 public class PsychlopsMain\r
 656                 {\r
 657                         ///- Prefix\r
 658 \r
 659                         ///+ Global\r
 660                         // Struct for component paremeters\r
 661                         struct component\r
 662                         {\r
 663                                 public double contrast;\r
 664                                 public double orientation;\r
 665                                 public double lambda;\r
 666                                 public double tf;\r
 667                         }\r
 668                         ///- Global\r
 669 \r
 670                         ///+ Stimulus drawing function\r
 671                         //// A function for stimulus drawing (main body)\r
 672                         void drawgratingmovie(Image[] img, component c1, component c2, double contrast, int start, int maxframe, double bg_lum, double alpha)\r
 673                         {\r
 674                                 double _xp, _xp2, col1, col2;\r
 675                                 double contrast1, contrast2;\r
 676                                 double imageheight, imagewidth;\r
 677 \r
 678                                 contrast1 = contrast*c1.contrast/(c1.contrast+c2.contrast);\r
 679                                 contrast2 = contrast*c2.contrast/(c1.contrast+c2.contrast);\r
 680 \r
 681                                 imageheight = img[0].getHeight();\r
 682                                 imagewidth = img[0].getWidth();\r
 683 \r
 684                                 for(int frame=start; frame<start+maxframe+1; frame++){\r
 685                                         //Display.progressbar(frame, maxframe+1);\r
 686                                         //img[frame].convert(Image::RGBA);\r
 687                                         for(int i=0; i<imagewidth; i++){\r
 688                                                 for(int j=0; j<imageheight; j++){\r
 689                                                         _xp = Math.sin(c1.orientation)*(i-imagewidth*0.5) + Math.cos(c1.orientation) * (j-imageheight *0.5);\r
 690                                                         _xp2 = Math.sin(c2.orientation)*(i-imagewidth*0.5) + Math.cos(c2.orientation) * (j-imageheight *0.5);\r
 691                                                         col1 = bg_lum*contrast1*Math.sin(2*Math.PI*_xp/c1.lambda + 2*Math.PI*c1.tf*frame/(double)refresh);\r
 692                                                         col2 = bg_lum*contrast2*Math.sin(2*Math.PI*_xp2/c2.lambda + 2*Math.PI*c2.tf*frame/(double)refresh);\r
 693                                                         img[frame].pix(i,j,new Color(col1+col2+bg_lum));\r
 694                                                         img[frame].alpha(i,j,alpha);\r
 695                                                 }\r
 696                                         }\r
 697                                         //img[frame].cache();\r
 698                                 }\r
 699                         }\r
 700 \r
 701                         ///+ Stimulus drawing function\r
 702                         //// A function for stimulus drawing (main body)\r
 703                         void drawplaid() {\r
 704                                 Canvas display = new Canvas(Canvas.window);\r
 705                                 ///+ Preperation\r
 706                                 //// Declare and initialize local variables\r
 707                                 int rect_size = 150;\r
 708                                 double rect_lum  = 0.5;\r
 709                                 double bg_lum    = 0.2;\r
 710                                 double duration = 400;\r
 711 \r
 712                                 double[] lambda = new double[2], contrast = new double[2], tf = new double[2];\r
 713                                 double center_orientation = 0.0;\r
 714                                 Image[,] movie = StaticFunctions.NewArray<Image>(2, 120);\r
 715                                 Image[,] component_movie = StaticFunctions.NewArray<Image>(4, 120);\r
 716                                 Image envelope = new Image(), envelope_small = new Image();\r
 717 \r
 718                                 for(int i=0; i<120; i++)\r
 719                                 {\r
 720                                         movie[0, i].set(rect_size, rect_size);\r
 721                                         movie[1, i].set(rect_size, rect_size);\r
 722                                         component_movie[0, i].set(rect_size/2, rect_size/2);\r
 723                                         component_movie[1, i].set(rect_size/2, rect_size/2);\r
 724                                         component_movie[2, i].set(rect_size/2, rect_size/2);\r
 725                                         component_movie[3, i].set(rect_size/2, rect_size/2);\r
 726                                 }\r
 727                                 envelope.set(rect_size, rect_size);\r
 728                                 envelope_small.set(rect_size/2, rect_size/2);\r
 729 \r
 730                                 Letters let1 = new Letters(), let2 = new Letters(), let3 = new Letters();\r
 731                                 let1.str = "Component1";\r
 732                                 let2.str = "Component2";\r
 733                                 let3.str = "Superposition";\r
 734                                 let1.centering().shift(-rect_size*1.25, -rect_size);\r
 735                                 //let1.cache();\r
 736                                 let2.centering().shift(rect_size*1.25, -rect_size);\r
 737                                 //let2.cache();\r
 738                                 let3.centering().shift(0.0, rect_size*0.75);\r
 739                                 //let3.cache();\r
 740 \r
 741                                 component c1, c2, c0;\r
 742                                 c0 = new component{ 0.0,0.0,1.0,1.0 }; //dummy for component movie\r
 743                                 ///+ type-I\r
 744                                 // Prepare Type-I plaid movie\r
 745                                 center_orientation = 0.0;\r
 746                                 orientation_offset = Math.PI/6;\r
 747                                 contrast[0] = 1.0, contrast[1] = 1.0;\r
 748                                 lambda[0] = 30.0, lambda[1] = 30.0;\r
 749                                 tf[0] = 1.0; tf[1] = 1.0;\r
 750 \r
 751                                 c1 = {contrast[0], center_orientation-orientation_offset, lambda[0], tf[0]};\r
 752                                 c2 = {contrast[1], center_orientation+orientation_offset, lambda[1], tf[1]};\r
 753 \r
 754                         drawgratingmovie(movie[0],c1, c2, 0.5, 0, refresh_int, bg_lum, 1.0);\r
 755                         drawgratingmovie(component_movie[0],c0, c2, 0.5, 0, refresh_int, bg_lum, 1.0);\r
 756                         drawgratingmovie(component_movie[1],c1, c0, 0.5, 0, refresh_int, bg_lum, 1.0);\r
 757                         ///- type-I\r
 758 \r
 759                         ///+ type-II\r
 760                         // Prepare Type-II plaid movie\r
 761                         center_orientation = -0.0, orientation_offset = Math.PI/12;\r
 762                         contrast[0] = 1.0, contrast[1] = 1.0;\r
 763                         lambda[0] = 30.0, lambda[1] = 30.0;\r
 764                         tf[0] = 1.0; tf[1] = 4.0;\r
 765 \r
 766                         c1 = {contrast[0], center_orientation-orientation_offset, lambda[0], tf[0]};\r
 767                         c2 = {contrast[1], center_orientation+orientation_offset, lambda[1], tf[1]};\r
 768 \r
 769                         drawgratingmovie(movie[1],c1, c2, 0.5, 0, refresh_int, bg_lum, 1.0);\r
 770                         drawgratingmovie(component_movie[2],c0, c2, 0.5, 0, refresh_int, bg_lum, 1.0);\r
 771                         drawgratingmovie(component_movie[3],c1, c0, 0.5, 0, refresh_int, bg_lum, 1.0);\r
 772                         ///- type-II\r
 773 \r
 774                         ///+ gaussian\r
 775                         //draw Gaussian envelopes\r
 776                         envelope.clear(new Color(bg_lum)); //clear offscreen image\r
 777                         double _x, _y;\r
 778                         for(int i=0; i<rect_size; i++){\r
 779                         _x=i-0.5*rect_size;\r
 780                         for(int j=0; j<rect_size; j++){\r
 781                         _y=j-0.5*rect_size;\r
 782                         envelope.alpha(i,j,1.0-Math.exp(-((_x*_x+_y*_y)/ (2.0*pow(rect_size/6.0, 2.0) ))));\r
 783                         }\r
 784                         }\r
 785 \r
 786                         envelope_small.clear(new Color(bg_lum)); //clear offscreen image\r
 787                         for(int i=0; i<rect_size*0.5; i++){\r
 788                         _x=i-0.25*rect_size;\r
 789                         for(int j=0; j<rect_size*0.5; j++){\r
 790                         _y=j-0.25*rect_size;\r
 791                         envelope_small.alpha(i,j,1.0-Math.exp(-((_x*_x+_y*_y)/ (2.0*pow(rect_size/12.0, 2.0) ))));\r
 792                         }\r
 793                         }\r
 794                         envelope.cache(); //send offscreen image from main memory to GPU\r
 795                         envelope_small.cache(); //send offscreen image from main memory to GPU\r
 796                         ///- gaussian\r
 797 \r
 798                         ///+ user interface\r
 799                         // Draw user interface\r
 800                         Widgets::SelectBox stimulus_type;\r
 801                         stimulus_type.area.set(120, 20);\r
 802                         stimulus_type.append(L"TypeI");\r
 803                         stimulus_type.append(L"TypeII");\r
 804                         stimulus_type.centering().shift(-120.0,250.0);\r
 805 \r
 806                         Psychlops::Widgets::SelectBox stimulus_type2;\r
 807                         stimulus_type2.area.set(120, 20);\r
 808                         stimulus_type2.append(L"Continuous");\r
 809                         stimulus_type2.append(L"Periodic");\r
 810                         stimulus_type2.centering().shift(120.0,250.0);\r
 811 \r
 812                         Psychlops::Widgets::Slider duration_slider;\r
 813                         duration_slider.area.set(100,20);\r
 814                         duration_slider.centering().shift(120,280.0);\r
 815                         Interval rng = new Interval();\r
 816                         duration_slider.link(duration, 50<=rng<=950, 50.0, 50.0);\r
 817                         ///- user interface\r
 818                         ///- Preperation\r
 819 \r
 820                         ///+ Main loop\r
 821                         int frame = 0;\r
 822                         int period = refresh_int;\r
 823                         int movienum;\r
 824                         while(!Keyboard.esc.pushed()) {\r
 825                         Display.clear(new Color(bg_lum));\r
 826                         movienum = stimulus_type.getSelected(); //if "Type-I" is selected, 0, else frame refresh per sec\r
 827 \r
 828                         in;\r
 829                         else period = refresh_int;\r
 830 \r
 831                         if(frame>0){\r
 832                         movie[movienum, frame].centering().draw();\r
 833                         envelope.centering().draw();\r
 834                         component_movie[movienum*2, frame].centering().shift(-rect_size*0.5, -rect_size).draw();\r
 835                         envelope_small.centering().shift(-rect_size*0.5, -rect_size).draw();\r
 836                         component_movie[movienum*2+1, frame].centering().shift(rect_size*0.5, -rect_size).draw();\r
 837                         envelope_small.centering().shift(rect_size*0.5, -rect_size).draw();\r
 838                         }\r
 839 \r
 840                         ///+ draw user interface\r
 841                         let1.draw(0.75);\r
 842                         let2.draw(0.75);\r
 843                         let3.draw(0.75);\r
 844                         stimulus_type.draw();\r
 845                         stimulus_type2.draw();\r
 846                         if(stimulus_type2.getSelected())duration_slider.draw();\r
 847                         ///- draw user interface\r
 848                         Display.flip();\r
 849                         if(frame++ >= period) frame -= refresh_int;\r
 850                         }\r
 851                         ///- Main loop\r
 852 \r
 853                         }\r
 854                         ///- Stimulus drawing function\r
 855 \r
 856                 ///+ Main function for demo circumstances\r
 857                 public void psychlops_main() {\r
 858                         ///+ Demo circumstances\r
 859                         //// Spells for run demonstration circumstances\r
 860                         Procedure p = new Procedure();\r
 861                         //p.setDesign(Procedure::DEMO); //Designate that this is a demo.\r
 862                         p.setProcedure(drawplaid);  //The argument name is a name of drawing function.\r
 863                         p.run();\r
 864                         ///- Demo circumstances\r
 865                 }\r
 866         }\r
 867 }\r
 868 */\r