/**
 * squiggly line
 * By Raphael Rouvinov-Kats
 * */

var res = 8;
var amp = 20;
var offset = 0;
var period = 4;

var f = function(x) {
    return 200 +  sin(period*x + offset)*amp;
};

var draw = function() {
    background(255, 255, 255);
    offset = frameCount;
    
    for(var x = 0; x < 400; x+=res) {
        var x1 = x;
        var x2 = x + res;
        
        var y1 = f(x1);
        var y2 = f(x2);
        
        line(x1, y1, x2, y2);
    }
};