liuhuayong/d3-force
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Allow simulation.force(name, null).

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This commit is contained in:
Mike Bostock 2016-04-20 12:53:35 -07:00
parent 166bda8cdd
commit 44aabfab2a
1 changed files with 2 additions and 1 deletions
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3
src/simulation.js
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@ -55,6 +55,7 @@ export default function(nodes) {
function initialize(force) {
if (force.nodes) force.nodes(nodes);
return force;
}
function apply(force) {
@ -80,7 +81,7 @@ export default function(nodes) {
return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay;
},
force: function(name, _) {
return arguments.length > 1 ? (initialize(_), force.set(name, _), simulation) : force.get(name);
return arguments.length > 1 ? ((_ == null ? force.remove(name) : force.set(name, initialize(_))), simulation) : force.get(name);
},
on: function(name, _) {
return arguments.length > 1 ? (dispatch.on(name, _), simulation) : dispatch.on(name);