add dot texture function

Author: Remi-Gau

dotTexture.m

@@ -0,0 +1,26 @@
+function cfg = dotTexture(action, cfg, thisEvent)
+    
+    switch action
+        
+        case 'init'
+            cfg.dot.texture = Screen('MakeTexture', cfg.screen.win, ...
+                cfg.color.background(1) * ones(cfg.screen.winRect([4 3])));
+            
+        case 'make'
+            
+            Screen('FillRect', cfg.dot.texture, cfg.color.background);
+            Screen('DrawDots', cfg.dot.texture, ...
+                thisEvent.dot.position, ...
+                cfg.dot.sizePix, ...
+                cfg.dot.color, ...
+                cfg.screen.center, ...
+                1);
+            
+        case 'draw'
+            
+            Screen('DrawTexture', cfg.screen.win, cfg.dot.texture);
+            
+            
+    end
+    
+end