test4/PsychlopsMain.cs

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