-
-
Save keith923/95eec28c384614b82bb48061239c3ab8 to your computer and use it in GitHub Desktop.
collisionForce (forceCollide)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <html> | |
| <head> | |
| <title>collisionForce</title> | |
| <script type="text/javascript" src = "https://d3js.org/d3.v4.min.js"></script> | |
| <style type = "text/css"> | |
| .active { | |
| stroke: #000; | |
| stroke-width: 2px; | |
| } | |
| .links line { | |
| stroke: #aaa; | |
| } | |
| .nodes circle { | |
| pointer-events: all; | |
| stroke: none; | |
| stroke-width: 40px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script> | |
| var width = 1000, | |
| height = 600; | |
| var svg = d3.select("body").append("svg").attr("width",width) | |
| .attr("height",height); | |
| var nodeData = [{'x':100,'y':100,'r':10}, | |
| {'x':200,'y':100,'r':10}, | |
| {'x':50,'y':200,'r':10}, | |
| {'x':350,'y':200,'r':10}, | |
| {'x':100,'y':300,'r':10}, | |
| {'x':300,'y':300,'r':10}, | |
| {'x':300,'y':250,'r':10},]; | |
| var attractForce = d3.forceManyBody().strength(80).distanceMax(400).distanceMin(180); | |
| var collisionForce = d3.forceCollide(50).strength(1).iterations(100); | |
| var simulation = d3.forceSimulation(nodeData).alphaDecay(0.01).force("attractForce",attractForce).force("collisionForce",collisionForce); | |
| var node = svg.selectAll("circle").data(nodeData) | |
| .enter().append("circle") | |
| .attr("r",function(d){ return d.r;}).attr("cx",function(d){ return d.x;}).attr("cy",function(d){ return d.y;}) | |
| .attr("fill","black").attr("opacity",0.5) | |
| .call(d3.drag() | |
| .on("start",dragstarted) | |
| .on("drag",dragged) | |
| .on("end",dragended)); | |
| function dragstarted(d) | |
| { | |
| simulation.restart(); | |
| simulation.alpha(0.7); | |
| d.fx = d.x; | |
| d.fy = d.y; | |
| } | |
| function dragged(d) | |
| { | |
| d.fx = d3.event.x; | |
| d.fy = d3.event.y; | |
| } | |
| function dragended(d) | |
| { | |
| d.fx = null; | |
| d.fy = null; | |
| simulation.alphaTarget(0.1); | |
| } | |
| function ticked(){ | |
| node.attr("cx", function(d){ return d.x;}) | |
| .attr("cy", function(d){ return d.y;}) | |
| } | |
| simulation.on("tick",ticked); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment