torch

function onGLC(glc) {
    glc.loop();
    glc.size(540, 540);
    glc.setDuration(2);
    glc.setFPS(30);
    glc.styles.backgroundColor = "#202020";
//     glc.setMode('single');
//     glc.setEasing(false);
    var list = glc.renderList,
        width = glc.w,
        height = glc.h,
        color = glc.color
        num = 15,
        sz = 30;

        for (var i=0; i<num; i++) {
            var y = height-75-(height-250)/num*i;
            var c = 0+45.0/num*i;
            list.addIsobox({
                x: width/2,
                y: y,
                size: [25+i*10,20+i*2],
                h: [100,20+i*1],
                colorTop: color.hsva(c, 1, 1,.5),
                colorRight: color.hsva(c, 1, 0.75,.5),
                colorLeft: color.hsva(c, 1, 0.5,.5),
                phase: i/num,
            });
        }
}