% Clear the workspace and the screen
sca;
close all;
clearvars;

% Here we call some default settings for setting up Psychtoolbox
% PsychDefaultSetup(2);
backgroundColor =  20;


Screen('Preference', 'SkipSyncTests', 1)  %%% IMPORTANT!! REMOVE THIS LINE WHEN RUNNING THE TASK

% Get the screen numbers
screens = Screen('Screens');



% Draw to the external screen if avaliable
screenNumber = max(screens);

% Define black and white
white = WhiteIndex(screenNumber);
black = BlackIndex(screenNumber);

% Open an on screen window
[window, rect] = Screen('OpenWindow', screenNumber,backgroundColor,[],[],2);

 
% Get the size of the on screen window  
[screenXpixels, screenYpixels] = Screen('WindowSize', window);

W=rect(RectRight); % screen width
H=rect(RectBottom); % screen height
 
% Get the centre coordinate of the window
[xCenter, yCenter] = RectCenter(rect);

% Make a base Rect 
baseRect1 = [0 0 W/2 W/2];
baseRect2 = [0 0 W/2.5 W/2.5];
baseRect3 = [0 0 W/3.5 W/3.5];
baseRect4 = [0 0 W/6 W/6];
baseRect5 = [0 0 W/15 W/15];
 
% For Ovals we set a miximum diameter up to which it is perfect for
maxDiameter1 = max(baseRect1) * 1.01; 
maxDiameter2 = max(baseRect2) * 1.01; 
maxDiameter3 = max(baseRect3) * 1.01; 
maxDiameter4 = max(baseRect4) * 1.01; 
maxDiameter5 = max(baseRect5) * 1.01; 


% Center the rectangle on the centre of the screen
centeredRect1 = CenterRectOnPointd(baseRect1, xCenter, yCenter);
centeredRect2 = CenterRectOnPointd(baseRect2, xCenter, yCenter);
centeredRect3 = CenterRectOnPointd(baseRect3, xCenter, yCenter);
centeredRect4 = CenterRectOnPointd(baseRect4, xCenter, yCenter);
centeredRect5 = CenterRectOnPointd(baseRect5, xCenter, yCenter);


% Set the color for obbball pings
rectColor_odd{1} = [250 0 0];
rectColor_odd{2} = [245 245 245];
rectColor_odd{3} = [250 0 0];
rectColor_odd{4} = [245 245 245];
rectColor_odd{5} = [250 0 0];

% Set the color for pings
rectColor{1} = [140 140 140];
rectColor{2} = [245 245 245];
rectColor{3} = [140 140 140];
rectColor{4} = [245 245 245];
rectColor{5} = [140 140 140];



% Draw the rect to the screen
Screen('FillOval', window, rectColor_s{1}, centeredRect1, maxDiameter1);
Screen('FillOval', window, rectColor_s{2}, centeredRect2, maxDiameter2);
Screen('FillOval', window, rectColor_s{3}, centeredRect3, maxDiameter3);
Screen('FillOval', window, rectColor_s{4}, centeredRect4, maxDiameter4);
Screen('FillOval', window, rectColor_s{5}, centeredRect5, maxDiameter5);




% Flip to the screen
Screen('Flip', window);

% Wait for a key press
KbStrokeWait;

% Clear the screen
sca;