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Merge pull request #63 from WebOnWebOff/master

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Allow configuration of minimum energy threshold
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Dennis Hotson 2014-06-01 18:17:33 +10:00
commit 1d51239af1
1 changed files with 3 additions and 2 deletions
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springy.js
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@ -325,11 +325,12 @@
// ----------- // -----------
var Layout = Springy.Layout = {}; var Layout = Springy.Layout = {};
Layout.ForceDirected = function(graph, stiffness, repulsion, damping) { Layout.ForceDirected = function(graph, stiffness, repulsion, damping, minEnergyThreshold) {
this.graph = graph; this.graph = graph;
this.stiffness = stiffness; // spring stiffness constant this.stiffness = stiffness; // spring stiffness constant
this.repulsion = repulsion; // repulsion constant this.repulsion = repulsion; // repulsion constant
this.damping = damping; // velocity damping factor this.damping = damping; // velocity damping factor
this.minEnergyThreshold = minEnergyThreshold || 0.01; //threshold used to determine render stop
this.nodePoints = {}; // keep track of points associated with nodes this.nodePoints = {}; // keep track of points associated with nodes
this.edgeSprings = {}; // keep track of springs associated with edges this.edgeSprings = {}; // keep track of springs associated with edges
@ -508,7 +509,7 @@
} }
// stop simulation when energy of the system goes below a threshold // stop simulation when energy of the system goes below a threshold
if (t._stop || t.totalEnergy() < 0.01) { if (t._stop || t.totalEnergy() < t.minEnergyThreshold) {
t._started = false; t._started = false;
if (onRenderStop !== undefined) { onRenderStop(); } if (onRenderStop !== undefined) { onRenderStop(); }
} else { } else {