From 57ee21f8ec91106288c98f16885ae97b2228bffc Mon Sep 17 00:00:00 2001
From: Xaver Maierhofer <xwissen@xwissen.info>
Date: Mon, 30 Oct 2017 03:14:08 +0100
Subject: [PATCH] [BUGFIX] Use less force after init

---
 lib/forcegraph.js | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/lib/forcegraph.js b/lib/forcegraph.js
index beda51c..1d4cf67 100644
--- a/lib/forcegraph.js
+++ b/lib/forcegraph.js
@@ -15,6 +15,7 @@ define(['d3-selection', 'd3-force', 'd3-zoom', 'd3-drag', 'd3-timer', 'd3-ease',
       var dictNodes = {};
       var intLinks = [];
       var movetoTimer;
+      var initial = 1.8;
 
       var NODE_RADIUS_DRAG = 10;
       var NODE_RADIUS_SELECT = 15;
@@ -24,7 +25,7 @@ define(['d3-selection', 'd3-force', 'd3-zoom', 'd3-drag', 'd3-timer', 'd3-ease',
       var ZOOM_MIN = 1 / 8;
       var ZOOM_MAX = 3;
 
-      var FORCE_ALPHA = 0.3;
+      var FORCE_ALPHA = 0.01;
 
       draw.setTransform(transform);
 
@@ -148,7 +149,7 @@ define(['d3-selection', 'd3-force', 'd3-zoom', 'd3-drag', 'd3-timer', 'd3-ease',
         .force('y', d3Force.forceY().strength(0.02))
         .force('collide', d3Force.forceCollide())
         .on('tick', redraw)
-        .alphaDecay(0.015);
+        .alphaDecay(0.025);
 
       var drag = d3Drag.drag()
         .subject(function () {
@@ -207,7 +208,9 @@ define(['d3-selection', 'd3-force', 'd3-zoom', 'd3-drag', 'd3-timer', 'd3-ease',
           e.o = d;
 
           return e;
-        }).filter(function (e) { return e.o.is_online;});
+        }).filter(function (e) {
+          return e.o.is_online;
+        });
 
         intLinks = data.links.filter(function (d) {
           return dictNodes[d.source.node_id].o.is_online && dictNodes[d.target.node_id].o.is_online;
@@ -224,7 +227,11 @@ define(['d3-selection', 'd3-force', 'd3-zoom', 'd3-drag', 'd3-timer', 'd3-ease',
         force.nodes(intNodes);
         forceLink.links(intLinks);
 
-        force.alpha(1).restart();
+        force.alpha(initial).velocityDecay(0.15).restart();
+        if (initial === 1.8) {
+          initial = 0.5;
+        }
+
         resizeCanvas();
       };