love_explosion.js

function onGLC(glc) {
	glc.loop();
	// glc.playOnce();
	// glc.size(400, 400);
	glc.setDuration(3.5);
	glc.setFPS(24);
	// glc.setMode("single");
	// glc.setEasing(false);
	glc.setMaxColors(32);
    glc.styles.backgroundColor = "rgba(0,0,90,.3)";
	var list = glc.renderList,
		width = glc.w,
		height = glc.h;

	// your code goes here:


	var size = 25;
        for(var y = 0; y < height; y += size) {
            for(var x = 0; x < width; x += size) {
                var dx = width / 2 - x - size / 2,
                    dy = height / 2 - y - size / 2,
                    dist = Math.sqrt(dx * dx + dy * dy);

                    if (x >= width/2) {
                        xoff = (Math.abs(dx)/-dx) * (width/2 + 5) + (width / 2);
                    } else {
                        xoff = (Math.abs(dx)/-dx) * (width/2 + 5) - (width / 2);
                    }

                    if (y >= height/2) {
                        yoff = (Math.abs(dy)/-dy) * (height/2 + 5) + (height / 2);
                    } else {
                        yoff = (Math.abs(dy)/-dy) * (height/2 + 5) - (height / 2);
                    }

                list.addHeart({
                    translationX: x,
                    translationY: y,
                    x: [size / 2, xoff],
                    y: [size / 2, yoff],
                    fillStyle: ["red", "pink"],
                    w: [size * 0.95, size * .65],
                    h: [size * 0.65, size * .95],
                    rotation: (Math.abs(dx)/-dx * 90) + ((Math.atan(dy / dx)) * 57.3),
                    shake: [1, 0],
                    phase: dist * 0.004
                })

                list.addHeart({
                    translationX: x,
                    translationY: y,
                    x: [size / 2, xoff],
                    y: [size / 2, yoff],
                    fillStyle: "pink",
                    w: [size * 0.95, size * .65],
                    h: [size * 0.65, size * .95],
                    rotation: (Math.abs(dx)/-dx * 90) + ((Math.atan(dy / dx)) * 57.3),
                    phase: -dist * 0.004
                })

            }
        }

    list.addText({
        x: width / 2,
        y: height / 2 - 20,
        text: "L0VE",
        fontSize: 40,
        fontFamily: "Courier New",
        fillStyle: "white",
        shake: [0, 20]
    })

    list.addText({
        x: width / 2,
        y: height / 2 + 20,
        text: "eXplo5ioN",
        fontSize: 50,
        fontFamily: "Courier New",
        fillStyle: ["rgba(0,0,90,0)","white"],
        shake: [0, 20]
    })

}

https://twitter.com/jimmie/status/671168647222706176