flickermovie.m

function [flickerTexure]=flickermovie(winWidth,winHeight,targetWidth,targetHeight)
yScreen = max(Screen('Screens'));
    Priority(0);
    %myScreen = 2;
    SquareRect = 900;
    [win,winRect] =   Screen(myScreen,'OpenWindow',[],[0 0 SquareRect SquareRect]);
        width =900;
        height = 900;
    
    [width, height] = RectSize(winRect); 
    winWidth = 900;
    winHeight =900;
%% Generate matrix for 4 target (Top, Right, Down, Left)
    for i=1:5
    targetMatrix{i} = zeros(winWidth,winHeight,'uint8');
    end
    targetWidth = 200;
    targetHeight = 200;
    %conver maxtrix from zero to target
%     00100 Top
%     10001 Left/Right
%     00100 Down
    for i =1:winHeight
        for j=1:winWidth
        %Target1 : Top
        if (j>= (winWidth/2-targetWidth/2))&&( j <= winWidth/2+targetWidth/2)&&( i <=targetHeight)
            targetMatrix{1}(i,j)=1; %match target coordinate
            %disp('got it');     
        end
        %Target3 : Down
         if (j>= (winWidth/2-targetWidth/2))&&( j <= winWidth/2+targetWidth/2)&&( i >= (winHeight-targetHeight))
            targetMatrix{3}(i,j)=1; %match target coordinate
            %disp('got it');
        end
        %Target2 : Right
           if (j>= (winWidth-targetWidth))&&( i >= (winHeight/2-targetHeight/2))&&( i <= (winHeight/2+targetHeight/2))
            targetMatrix{2}(i,j)=1; %match target coordinate
            %disp('got it');
           end
          %Target4 : Left
           if (j<= (targetWidth))&&( i >= (winHeight/2-targetHeight/2))&&( i <= (winHeight/2+targetHeight/2))
            targetMatrix{4}(i,j)=1; %match target coordinate
            %disp('got it');
           end
        end
    end
%%Draw texture to screen: Draw 16 states depens on the value of

for targetState1=1:2
        for targetState2=1:2
            for targetState3=1:2
                for targetState4=1:2
                textureNumber = (targetState4-1)*8 +(targetState3-1)*4 +(targetState2-1)*2 +(targetState1-1)*1 +1;
                screenMatrix{textureNumber}=targetMatrix{5} | targetMatrix{1}*uint8(targetState1-1) |...
                uint8(targetState2-1)*targetMatrix{2} |...
                uint8(targetState3-1)*targetMatrix{3} | uint8(targetState4-1)*targetMatrix{4};
                end
            end
        end
    end