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Eliminate repeated calls to layout.start()

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This commit is contained in:
Dennis Hotson 2011-08-13 20:56:16 +10:00
parent affbca426c
commit 8f869d427a
1 changed files with 5 additions and 0 deletions
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5
springy.js
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@ -414,6 +414,10 @@ Layout.ForceDirected.prototype.start = function(interval, render, done)
{ {
var t = this; var t = this;
if (this._started) return;
this._started = true;
if (this.intervalId !== null) { if (this.intervalId !== null) {
return; // already running return; // already running
} }
@ -440,6 +444,7 @@ Layout.ForceDirected.prototype.start = function(interval, render, done)
// stop simulation when energy of the system goes below a threshold // stop simulation when energy of the system goes below a threshold
if (t.totalEnergy() < 0.01) if (t.totalEnergy() < 0.01)
{ {
t._started = false;
if (typeof(done) !== 'undefined') { done(); } if (typeof(done) !== 'undefined') { done(); }
} }
else else