test4/PsychlopsMain.cs

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