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D3 tween motion on path / link
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <meta charset="utf-8"> | |
| <title>JS Bin</title> | |
| </head> | |
| <body> | |
| <script id="jsbin-javascript"> | |
| var coords = [ | |
| {'x': 10, 'y': 10}, | |
| {'x': 100, 'y': 100} | |
| ]; | |
| var lineFunction = d3.svg.line() | |
| .x(function(d){ return d.x;}) | |
| .y(function(d){ return d.y;}) | |
| .interpolate('linear'); | |
| var svg = d3.select('body') | |
| .append("svg") | |
| .attr("width", 200) | |
| .attr("height", 200); | |
| var route = svg.append("path") | |
| .attr("d", lineFunction(coords)) | |
| .attr("stroke", "blue") | |
| .attr("stroke-width", 2) | |
| .attr("fill", "none"); | |
| var circle = svg.append("circle") | |
| .attr("cx", 30) | |
| .attr("cy", 30) | |
| .attr("r", 20); | |
| function delta(path) { | |
| var l = path.getTotalLength(); | |
| return function(i) { | |
| return function(t) { | |
| var p = path.getPointAtLength(t * l); | |
| return "translate(" + p.x + "," + p.y + ")"; | |
| }; | |
| }; | |
| } | |
| function transition(plane, route) { | |
| var l = route.node().getTotalLength(); | |
| plane.transition() | |
| .duration(5000) | |
| .attrTween("transform", delta(route.node())); | |
| } | |
| transition(circle, route); | |
| /* | |
| function transition(plane, route) { | |
| var l = route.node().getTotalLength(); | |
| plane.transition() | |
| .duration(5000) | |
| .attrTween("transform", delta(route.node())); | |
| } | |
| function delta(path) { | |
| var l = path.getTotalLength(); | |
| return function(i) { | |
| return function(t) { | |
| var p = path.getPointAtLength(t * l); | |
| return "translate(" + p.x + "," + p.y + ")"; | |
| } | |
| } | |
| } | |
| */ | |
| </script> | |
| <script id="jsbin-source-javascript" type="text/javascript">var coords = [ | |
| {'x': 10, 'y': 10}, | |
| {'x': 100, 'y': 100} | |
| ]; | |
| var lineFunction = d3.svg.line() | |
| .x(function(d){ return d.x;}) | |
| .y(function(d){ return d.y;}) | |
| .interpolate('linear'); | |
| var svg = d3.select('body') | |
| .append("svg") | |
| .attr("width", 200) | |
| .attr("height", 200); | |
| var route = svg.append("path") | |
| .attr("d", lineFunction(coords)) | |
| .attr("stroke", "blue") | |
| .attr("stroke-width", 2) | |
| .attr("fill", "none"); | |
| var circle = svg.append("circle") | |
| .attr("cx", 30) | |
| .attr("cy", 30) | |
| .attr("r", 20); | |
| function delta(path) { | |
| var l = path.getTotalLength(); | |
| return function(i) { | |
| return function(t) { | |
| var p = path.getPointAtLength(t * l); | |
| return "translate(" + p.x + "," + p.y + ")"; | |
| }; | |
| }; | |
| } | |
| function transition(plane, route) { | |
| var l = route.node().getTotalLength(); | |
| plane.transition() | |
| .duration(5000) | |
| .attrTween("transform", delta(route.node())); | |
| } | |
| transition(circle, route); | |
| /* | |
| function transition(plane, route) { | |
| var l = route.node().getTotalLength(); | |
| plane.transition() | |
| .duration(5000) | |
| .attrTween("transform", delta(route.node())); | |
| } | |
| function delta(path) { | |
| var l = path.getTotalLength(); | |
| return function(i) { | |
| return function(t) { | |
| var p = path.getPointAtLength(t * l); | |
| return "translate(" + p.x + "," + p.y + ")"; | |
| } | |
| } | |
| } | |
| */</script></body> | |
| </html> |
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| // http://www.tnoda.com/blog/2014-04-02 | |
| var coords = [ | |
| {'x': 10, 'y': 10}, | |
| {'x': 100, 'y': 100} | |
| ]; | |
| var lineFunction = d3.svg.line() | |
| .x(function(d){ return d.x;}) | |
| .y(function(d){ return d.y;}) | |
| .interpolate('linear'); | |
| var svg = d3.select('body') | |
| .append("svg") | |
| .attr("width", 200) | |
| .attr("height", 200); | |
| var route = svg.append("path") | |
| .attr("d", lineFunction(coords)) | |
| .attr("stroke", "blue") | |
| .attr("stroke-width", 2) | |
| .attr("fill", "none"); | |
| var circle = svg.append("circle") | |
| .attr("cx", 30) | |
| .attr("cy", 30) | |
| .attr("r", 20); | |
| function delta(path) { | |
| var l = path.getTotalLength(); | |
| return function(i) { | |
| return function(t) { | |
| var p = path.getPointAtLength(t * l); | |
| return "translate(" + p.x + "," + p.y + ")"; | |
| }; | |
| }; | |
| } | |
| function transition(plane, route) { | |
| var l = route.node().getTotalLength(); | |
| plane.transition() | |
| .duration(5000) | |
| .attrTween("transform", delta(route.node())); | |
| } | |
| transition(circle, route); | |
| /* | |
| function transition(plane, route) { | |
| var l = route.node().getTotalLength(); | |
| plane.transition() | |
| .duration(5000) | |
| .attrTween("transform", delta(route.node())); | |
| } | |
| function delta(path) { | |
| var l = path.getTotalLength(); | |
| return function(i) { | |
| return function(t) { | |
| var p = path.getPointAtLength(t * l); | |
| return "translate(" + p.x + "," + p.y + ")"; | |
| } | |
| } | |
| } | |
| */ |
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