fix bug due to field of responseEvents defined as cell by default

Author: Remi-Gau

Visual-loc_translational/subfun/CPP_PTB/getResponse.m

@@ -52,11 +52,11 @@
 end
 
 responseEvents = struct;
-responseEvents.onset = {};
-responseEvents.trial_type = {};
-responseEvents.duration = {};
-responseEvents.key_name = {};
-responseEvents.pressed = {};
+responseEvents.onset = [];
+responseEvents.trial_type = [];
+responseEvents.duration = [];
+responseEvents.key_name = [];
+responseEvents.pressed = [];
 
 responseBox = cfg.responseBox;
 
@@ -137,8 +137,6 @@
             iEvent = iEvent + 1;
 
         end
-
-        
 
     case 'flush'
 

Visual-loc_translational/visualLocTanslational.m

@@ -150,18 +150,22 @@
             % saving in the tsv file
             responseEvents = getResponse('check', cfg, expParameters);
 
-            responseEvents.eventLogFile = logFile.eventLogFile;
-            for iResp = 1:size(responseEvents, 1)
-                responseEvents(iResp).onset = ...
-                    responseEvents(iResp).onset - cfg.experimentStart;
-                responseEvents(iResp).target = expParameters.designFixationTargets(iBlock,iEvent);
-                responseEvents(iResp).event = iEvent;
-                responseEvents(iResp).block = iBlock;
-            end
-            
-            saveEventsFile('save', expParameters, responseEvents, ...
+            if ~isempty(responseEvents(1).onset)
+                
+                responseEvents.eventLogFile = logFile.eventLogFile;
+                
+                for iResp = 1:size(responseEvents, 1)
+                    responseEvents(iResp).onset = ...
+                        responseEvents(iResp).onset - cfg.experimentStart;
+                    responseEvents(iResp).target = expParameters.designFixationTargets(iBlock,iEvent);
+                    responseEvents(iResp).event = iEvent;
+                    responseEvents(iResp).block = iBlock;
+                end
+                
+                saveEventsFile('save', expParameters, responseEvents, ...
                 'direction', 'speed', 'target', 'event', 'block');
-            
+            end
+
 
             % wait for the inter-stimulus interval
             WaitSecs(expParameters.ISI);