lordliquid/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Built with blockbuilder.org

  
## index.html
<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }

    .x.axis line {
  shape-rendering: auto;
      fill: none;
      stroke: #fff;
}
    .x {
      fill: none;
      stroke: #fff;
    }

.line {
  fill: none;
  stroke: #fff;
  stroke-width: 1.5px;
}
  </style>
</head>

<body>
  <script>
(function() {

var n = 243,
    duration = 750,
    now = new Date(Date.now() - duration),
    count = 0,
    data = d3.range(n).map(function() { return 0; });

var margin = {top: 6, right: 0, bottom: 20, left: 40},
    width = 960 - margin.right,
    height = 120 - margin.top - margin.bottom;

var x = d3.scaleTime()
    .domain([now - (n - 2) * duration, now - duration])
    .range([0, width]);

var y = d3.scaleLinear()
    .range([height, 0]);

var line = d3.line()
    .x(function(d, i) { return x(now - (n - 1 - i) * duration); })
    .y(function(d, i) { return y(d); })
		.curve(d3.curveBasis);

var svg = d3.select("body").append("p").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .style("margin-left", -margin.left + "px")
  	.append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

svg.append("defs").append("clipPath")
    .attr("id", "clip")
  	.append("rect")
    .attr("width", width)
    .attr("height", height);

var axis = svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(x.axis = d3.axisBottom(x));

var path = svg.append("g")
    .attr("clip-path", "url(#clip)")
  	.append("path")
    .datum(data)
    .attr("class", "line").attr('fill', 'white').attr('stroke', 'white').attr('stroke-width', '10px');

var transition = d3.select({}).transition()
    .duration(750)
    .ease(d3.easeLinear);

d3.select(window)
    .on("scroll", function() { ++count; });

(function tick() {
  transition = transition.each(function() {

    // update the domains
    now = new Date();
    x.domain([now - (n - 2) * duration, now - duration]);
    y.domain([0, d3.max(data)]);

    // push the accumulated count onto the back, and reset the count
    data.push(Math.min(30, count));
    count = 0;

    // redraw the line
    svg.select(".line")
        .attr("d", line)
        .attr("transform", null);

    // slide the x-axis left
    axis.call(x.axis);

    // slide the line left
    path.transition()
        .attr("transform", "translate(" + x(now - (n - 1) * duration) + ")");

    // pop the old data point off the front
    data.shift();

  }).transition().on("start", tick);
})();

})()
  </script>
</body>
	<!DOCTYPE html>
	<head>
	<meta charset="utf-8">
	<script src="https://d3js.org/d3.v4.min.js"></script>
	<style>
	body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }

	.x.axis line {
	shape-rendering: auto;
	fill: none;
	stroke: #fff;
	}
	.x {
	fill: none;
	stroke: #fff;
	}

	.line {
	fill: none;
	stroke: #fff;
	stroke-width: 1.5px;
	}
	</style>
	</head>

	<body>
	<script>
	(function() {

	var n = 243,
	duration = 750,
	now = new Date(Date.now() - duration),
	count = 0,
	data = d3.range(n).map(function() { return 0; });

	var margin = {top: 6, right: 0, bottom: 20, left: 40},
	width = 960 - margin.right,
	height = 120 - margin.top - margin.bottom;

	var x = d3.scaleTime()
	.domain([now - (n - 2) * duration, now - duration])
	.range([0, width]);

	var y = d3.scaleLinear()
	.range([height, 0]);

	var line = d3.line()
	.x(function(d, i) { return x(now - (n - 1 - i) * duration); })
	.y(function(d, i) { return y(d); })
	.curve(d3.curveBasis);

	var svg = d3.select("body").append("p").append("svg")
	.attr("width", width + margin.left + margin.right)
	.attr("height", height + margin.top + margin.bottom)
	.style("margin-left", -margin.left + "px")
	.append("g")
	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

	svg.append("defs").append("clipPath")
	.attr("id", "clip")
	.append("rect")
	.attr("width", width)
	.attr("height", height);

	var axis = svg.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(x.axis = d3.axisBottom(x));

	var path = svg.append("g")
	.attr("clip-path", "url(#clip)")
	.append("path")
	.datum(data)
	.attr("class", "line").attr('fill', 'white').attr('stroke', 'white').attr('stroke-width', '10px');

	var transition = d3.select({}).transition()
	.duration(750)
	.ease(d3.easeLinear);

	d3.select(window)
	.on("scroll", function() { ++count; });

	(function tick() {
	transition = transition.each(function() {

	// update the domains
	now = new Date();
	x.domain([now - (n - 2) * duration, now - duration]);
	y.domain([0, d3.max(data)]);

	// push the accumulated count onto the back, and reset the count
	data.push(Math.min(30, count));
	count = 0;

	// redraw the line
	svg.select(".line")
	.attr("d", line)
	.attr("transform", null);

	// slide the x-axis left
	axis.call(x.axis);

	// slide the line left
	path.transition()
	.attr("transform", "translate(" + x(now - (n - 1) * duration) + ")");

	// pop the old data point off the front
	data.shift();

	}).transition().on("start", tick);
	})();

	})()
	</script>
	</body>