just another inlet to tributary

inlet.js

var txt;
var n = 120;
var tfactor = -3.5*-10;
var afactor = 53.2175*16;
var sfactor = 101;


var colors = ["#2232A5", "#690083"];
var size = 1.27814;
var percent = 0.9364;
var data = _.map(d3.range(n), function(d,i) {
  size *= percent;
  return size;
});
tributary.loop = "pingpong";
    
tributary.init = function(g) {
  
  
  g.append("rect")
  	.attr("width", "100%")
  	.attr("height", "100%");
  var squares = g.selectAll("g.square")
    .data(data)
  	.enter().append("svg:g")
    .classed("square", true)
    .attr("transform", "translate(" + [0,0] + ")");

  squares.append("svg:rect")
    //.attr("rx", 6)
    //.attr("ry", 6)
    .attr("x", -12.5)
    .attr("y", -12.5)
    .attr("width", 25)
    .attr("height", 25)
    .attr("transform", function(d, i) { return "scale(" + (d) * 20 + ")"; })
    .style("opacity", 0.09792)
    .style("fill", function(d,i) {
        return colors[i%2];
    });

	squares.map(function(d) {
  		return {center: [tributary.sw/2.4,tributary.sh/2.1], angle: 0};
	});
};
tributary.run = function(g,t) {
  var squares = g.selectAll("g.square")
  squares.attr("transform", function(d, i) {
    //d.center[0] += (mouse[0] - d.center[0]) / (i + 5);
    //d.center[1] += (mouse[1] - d.center[1]) / (i + 5);
    //shoudl be more elegant way to reset this
      d.angle += Math.sin((t*tfactor + i) / afactor) * sfactor;
    
    return "translate(" + d.center + ")rotate(" + d.angle + ")";
  });
  
  squares.attr("opacity", function(d,i) {
    	return t+0.1;
  })
};