star

function onGLC(glc) {
    glc.loop();
    glc.size(400, 400);
    glc.setDuration(2.5);
    glc.setFPS(30);
        glc.styles.backgroundColor = "black";

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

    for(var i = 15; i < width; i += 15) {
        var alpha = 1.0/width*i;
        list.addStar({
            x: width / 2,
            y: height / 2,
            outerRadius: [i,i*1.25],
            innerRadius: [i * 0.5, i * 0.75],
            lineWidth: 1,
            stroke: true,
                    strokeStyle: "rgba(255,255,255," + alpha +")",
                    fill: false,
            rotation: [0, 360/4],
            phase: -i / width/2,
            points: 5
        })
    }
}