gridPulse

function onGLC(glc) {
     glc.loop();
     glc.size(540, 540);
     glc.setDuration(2.5);
     glc.setFPS(25);
     glc.styles.backgroundColor = "#202020";
   //glc.setMode('single');
//     glc.setEasing(false);
    var list = glc.renderList,
        width = glc.w,
        height = glc.h,
        color = glc.color;

    // your code goes here:


    var cols = 13,
        rows = cols,
        step = width/cols;


    for (var x=-3*step; x<width+3*step; x += step) {
        for (var y=-3*step; y<height+3*step; y+= step) {
            var dx1 = x,
                dy1 = y,
                dx2 = width/2,
                dy2 = height/2,
                dx3 = dx2-dx1,
                dy3 = dy2-dy1,
                dist1 = Math.sqrt(dx3*dx3 + dy3 * dy3),
                a = 30/dist1;

            list.addCube({
                x: x,
                y:y,
                //y: [y,y-step],
                strokeStyle: color.rgba(255,255,255,a),
                size: step*.5,
                rotationX: [0,90],
                rotationY: [0,90],
                rotationZ: [0,90],
                phase: dist1*-0.001,
            });
        }
    }


    list.addText({
        x: width-50,
        y: height-15,
        text: "p5art.tumblr.com",
        fontSize: 10,
        fillStyle: color.rgba(255,255,255,.5),

    });
}