/**
 * Vizualization example 1
 * Raphael Rouvinov-Kats
 * 
 * loops through 20 rows and 20 columns, drawing rectangles all over the screen
 * the colors of the rectangles are set under the 'HSB', or Hue Saturation Brightness color mode
 * The hue is set as the remainder of x+y+frameCount when divided by 255 
 *          > var hue = (x + y + frameCount) % 255;
 * The saturation and value for each rectangle are set to 255
 * */

var blockSize = 20;

frameRate(30);
colorMode(HSB);

noStroke();

var draw = function() {
    background(255, 255, 255);
    
    for(var row = 0; row < height/blockSize; row++) {
        for(var column = 0; column < width/blockSize; column++) {
            var x = column * blockSize;
            var y = row * blockSize;
            
            var hue = ((~x-~y) & frameCount) % 255;
            var saturation = 255;
            var brightness = 255;
            fill(hue, saturation, brightness);
            
            rect(x, y, blockSize, blockSize);
        }
    }
    
};