-using Psychlops;\r
+// Motion with glass patterns.\r
+// Ross, J., Badcock, D. R., and Hayes, A. (2000)\r
+// Coherent global motion in the absence of coherent velocity signals.\r
+// Current Biology, 10, 679-682.\r
+///+ Prefix\r
+//// Include Psychlops Package\r
+using Psychlops;\r
\r
namespace PsychlopsSilverlightApp\r
{\r
\r
public class PsychlopsMain\r
{\r
+ Psychlops.Widgets.Slider distance, duration, stimulus_type;\r
+ ///- Prefix\r
+\r
+ public void psychlops_main()\r
+ {\r
+ GlassPattern();\r
+ }\r
+\r
+ readonly int DOTNUM = 512;\r
+\r
+ ///+ Stimulus drawing function\r
+ //// A function for stimulus drawing (main body)\r
+ void GlassPattern() {\r
\r
+ ///+ Preperation\r
+ //// Declare and initialize local variables\r
+ Canvas cnvs = new Canvas(400,400); //Prepare drawing window\r
+ double dotsize = 2;\r
+ double dot_lum = 0.5;\r
+ double bg_lum = 0.2;\r
+ double fieldsize = 300;\r
+ double[] orientation = new double[DOTNUM];\r
+ Rectangle dots = new Rectangle(dotsize, dotsize);\r
+ ///+ prepare dots position\r
+ //// prepare dots position and paired orientation\r
+ Matrix positionmat = Matrix.gen(DOTNUM,2);\r
+ //Math.random(positionmat, -0.5*fieldsize, 0.5*fieldsize);\r
+ positionmat.each( (v) => Math.random(-0.5*fieldsize, 0.5*fieldsize) );\r
+\r
+ \r
+ for(int i=0; i<DOTNUM; i++){orientation[i] = Math.atan2(positionmat[i+1,2], positionmat[i+1,1]);}\r
+ ///- prepare dots position\r
+\r
+\r
+ ///+ Draw Gaussian Envelope\r
+ ////Draw offscreen Gaussian Envelope\r
+ Image envelope = new Image(fieldsize+100, fieldsize+100);\r
+ envelope.clear(new Color(bg_lum)); //clear offscreen image\r
+ double _x, _y;\r
+ for(int i=0; i<fieldsize+100; i++){\r
+ _x=i-0.5*fieldsize-50;\r
+ for(int j=0; j<fieldsize+100; j++){\r
+ _y=j-0.5*fieldsize-50;\r
+ envelope.alpha(i,j,1.0-Math.exp(-((_x*_x+_y*_y)/ (2.0*Math.pow(fieldsize/6.0, 2.0) ))));\r
+ }\r
+ }\r
+ envelope.cache();\r
+ ///- Draw Gaussian Envelope\r
+ ///+ set Independent\r
+ //// set variables and value ranges for interaction\r
+ Interval rng = new Interval();\r
+ stimulus_type = new Psychlops.Widgets.Slider("Stimulus Type", 0.0 <= rng <= 2.0, 1, 1);\r
+ stimulus_type.setValue(0);\r
+ distance = new Psychlops.Widgets.Slider("distance between pairs", 1 <= rng <= 100, 1, 1);\r
+ distance.setValue(3.0);\r
+ duration = new Psychlops.Widgets.Slider("Refresh", 0.0 <= rng <= 10.0, 1, 1);\r
+ duration.setValue(10);\r
+ ///- set Independent\r
\r
+ int frame = 0;\r
+ while(!Keyboard.esc.pushed()) {\r
+ ///+ position change\r
+ //// Re-randomize position with a desingated interval\r
+ if(frame > duration)\r
+ {\r
+ //Math.random(positionmat, -0.5 * fieldsize, 0.5 * fieldsize);\r
+ positionmat.each((v) => Math.random(-0.5 * fieldsize, 0.5 * fieldsize));\r
+ for (int i = 0; i < DOTNUM; i++) { orientation[i] = Math.atan2(positionmat[i + 1, 2], positionmat[i + 1, 1]); }\r
+ frame = 0;\r
+ }\r
+ ///- position change\r
+ Display.clear(new Color(bg_lum)); //Clear window\r
+\r
+ //// Draw DOTNUM pairs of dots\r
+ for(int i=0; i<DOTNUM; i++){\r
+ ///+ draw first dots\r
+\r
+ ///+ switch stimulus type\r
+ //// draw the second dots to generate selected stimulu type.\r
+ switch((int)stimulus_type){\r
+ ///+ case rotation\r
+ //// Rotation\r
+ case 0:\r
+ dots.centering().shift(positionmat[i+1,1],positionmat[i+1,2]); // move to center position\r
+ dots.shift(-0.5*distance*Math.cos(orientation[i]+0.5*Math.PI),-0.5*distance*Math.sin(orientation[i]+0.5*Math.PI));// move to the first position\r
+ dots.draw(new Color(dot_lum)); // draw first dot\r
+ dots.shift(distance*Math.cos(orientation[i]+0.5*Math.PI),distance*Math.sin(orientation[i]+0.5*Math.PI));// move to the second position\r
+ //cnvs.msg("Rotation", cnvs.getCenter().x, cnvs.getHeight() - 20);\r
+ break;\r
+ ///- case rotation\r
+ ///+ case diversion\r
+ ////Diversion\r
+ case 1:\r
+ dots.centering().shift(positionmat[i+1,1],positionmat[i+1,2]);// move to center position\r
+ dots.shift(-0.5*distance*Math.cos(orientation[i]+0.5*Math.PI),-0.5*distance*Math.sin(orientation[i]+0.5*Math.PI));// move to the first position\r
+ dots.draw(new Color(dot_lum));// draw first dot\r
+ dots.shift(distance*Math.cos(orientation[i]),distance*Math.sin(orientation[i]));// move to the second position\r
+ break;\r
+ ///- case diversion\r
+ ///+ case spiral\r
+ //// Spiral\r
+ case 2:\r
+ dots.centering().shift(positionmat[i+1,1],positionmat[i+1,2]);// move to center position\r
+ dots.shift(-0.5*distance*Math.cos(orientation[i]+0.5*Math.PI),-0.5*distance*Math.sin(orientation[i]+0.5*Math.PI));// move to the first position\r
+ dots.draw(new Color(dot_lum));// draw first dot\r
+ dots.shift(distance*Math.cos(orientation[i]+0.25*Math.PI),distance*Math.sin(orientation[i]+0.25*Math.PI));// move to the second position\r
+ break;\r
+ ///- case spiral\r
+ }\r
+ ///- switch stimulus type\r
+\r
+ dots.draw(new Color(dot_lum)); // Draw dots at a desinated position.\r
+ }\r
+ ///- Draw dots\r
+ envelope.centering().draw(); //Draw offscreen Gaussian onto screen\r
+ Display.flip(); // Flip frame buffers\r
+ frame++;\r
+ }\r
+ }\r
+ }\r
+}\r
+\r
+\r
+\r
+\r
+/*\r
+ * //Psychlops Code Template\r
+// Please visit following web site to get sample codes.\r
+// http://psychlops.sourceforge.jp/ja/?StartCode\r
+// CodeDresser at following address is also available to view the code.\r
+// http://visitope.org/Tools/codedresser.html\r
+\r
+///+ 0 Setup Psychlops Circumstances\r
+//// 0 Setup Psychlops Circumstances\r
+using Psychlops;\r
+\r
+namespace PsychlopsSilverlightApp\r
+{\r
+\r
+ public class PsychlopsMain\r
+ {\r
+ // Psychlops Win32 1.5.5 / 20110927\r
+ ///- 0 Setup Psychlops Circumstances\r
+\r
+ Psychlops.Widgets.Slider SOAFrames, gap, wavelength, contrast;\r
+\r
+ public void psychlops_main() {\r
+\r
+ ///+ 1 Declaration /////////////////////////////////////////////////////////////\r
+ //// 1 Declaration\r
+ // declare default window and variables for its parameters\r
+ Canvas cnvs = new Canvas(900,600, Canvas.window, Display.primary);\r
+ double CANVAS_FRAMENUM;\r
+ int CANVAS_REFRESHRATE;\r
+ Color DEFAULT_BG_COLOR = new Color();\r
+\r
+ int gratingwidth = 500, gratingheight = 100;\r
+ double shift=0.0;\r
+ Color color = new Color(0.0,0.0,0.0);\r
+ Rectangle grating = new Rectangle();\r
+\r
+\r
+ Interval rng = new Interval();\r
+\r
+ //declare local variables around here\r
+\r
+ ///- 1 Declaration /////////////////////////////////////////////////////////////\r
+\r
+ ///+ 2 Initialization //////////////////////////////////////////////////////////\r
+ //// 2 Initialization\r
+\r
+ // Set initial values for local variables\r
+ CANVAS_REFRESHRATE = (int)cnvs.getRefreshRate();\r
+ CANVAS_FRAMENUM = 0;\r
+ 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
+\r
+\r
+ SOAFrames = new Psychlops.Widgets.Slider("SOA Frames", 1 <=rng<=20 , 1 , 1);\r
+ SOAFrames.value = 5;\r
+ gap = new Psychlops.Widgets.Slider("Grating gap" , 0 <=rng<=200 , 1 , 10);\r
+ gap.value = 20;\r
+ wavelength = new Psychlops.Widgets.Slider("Wave Length", 1 <= rng <= 50, 1, 10);\r
+ wavelength.value = 30.0;\r
+ contrast = new Psychlops.Widgets.Slider("Contrast" , 0.0<=rng<=1.0 , 0.1 , 0.01);\r
+ contrast.value = 0.1;\r
+\r
+ // Draw Offline images around here\r
+\r
+ // Offline Movie calculation using Image array around here\r
+\r
+ ///- 2 Initialization //////////////////////////////////////////////////////////\r
+\r
+ ///+ 3 Drawing /////////////////////////////////////////////////////////////////\r
+ //// 3 Drawing\r
+ while(!Keyboard.esc.pushed()) {\r
+ cnvs.clear(DEFAULT_BG_COLOR);\r
+\r
+ //Write draw commands for realtime figure calculation and drawing around here\r
+\r
+\r
+ if(Math.mod(CANVAS_FRAMENUM,SOAFrames) == 0){shift += 1;}\r
+\r
+ grating.set(1,gratingheight).centering().shift(-gratingwidth/2, 0);\r
+ for(int i=0; i<gratingwidth; i++) {\r
+ color.set(\r
+ + 0.25*contrast*Math.sin(2*Math.PI*(i*2.0/wavelength + 0.50 * shift))\r
+ + 0.25*contrast*Math.sin(2*Math.PI*(i*3.0/wavelength + 0.75 * shift))\r
+ +0.5\r
+ );\r
+ grating.shift(1, 0);\r
+ grating.draw(color);\r
+ }\r
+\r
+ grating.set(1,gratingheight).centering().shift(-gratingwidth/2, -gratingheight-gap);\r
+ for(int i=0; i<gratingwidth; i++) {\r
+ color.set(\r
+ + 0.25*contrast*Math.sin(2.0*Math.PI*(i*2.0/wavelength + 0.50 * shift))\r
+ +0.5\r
+ );\r
+ grating.shift(1,0);\r
+ grating.draw(color);\r
+ }\r
+\r
+ grating.set(1,gratingheight).centering().shift(-gratingwidth/2, gratingheight+gap);\r
+ for(int i=0; i<gratingwidth; i++) {\r
+ color.set(\r
+ + 0.25*contrast*Math.sin(2.0*Math.PI*(i*3.0/wavelength + 0.75 * shift))\r
+ +0.5\r
+ );\r
+ grating.shift(1,0);\r
+ grating.draw(color);\r
+ }\r
+\r
+ cnvs.flip();\r
+ CANVAS_FRAMENUM++;\r
+ }\r
+ ///- 3 Drawing /////////////////////////////////////////////////////////////////\r
+\r
+ }\r
+\r
+\r
+ }\r
+\r
+}\r
+\r
+*/\r
+\r
+/*\r
public void psychlops_main() {\r
\r
Canvas display = new Canvas(768,768);\r
\r
}\r
\r
-\r
-\r
}\r
\r
}\r
+*/\r
+\r
+\r
/*\r
\r
using Psychlops;\r
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