ripples

function onGLC(glc) {
    glc.loop();
    // glc.playOnce();
    glc.size(540, 540);
    glc.setDuration(3);
    glc.setFPS(30);
    glc.styles.backgroundColor = "rgba(255,255,255,.2)";
    // glc.setMode("single");
    // glc.setEasing(false);

    var list = glc.renderList,
        width = glc.w,
        height = glc.h,
        color = glc.color;

    // your code goes here:

    var num = 8;
    for (var i=0; i<num; i++) {
    list.addCircle({
        x: width/2,
        y: height/2,
        radius: 230/num*i,
        fill: false,
        stroke: true,
        lineWidth: 1,
        shake:[0,10],
        phase: 1.0/num*i
    });
    }


}