From 9f643b964cc9dff9bb22348ec24fd529a7e2af1b Mon Sep 17 00:00:00 2001
From: Alex de Mulder <alexdemulder@gmail.com>
Date: Tue, 18 Feb 2014 18:22:43 +0100
Subject: [PATCH] tweaks and minor bugfix

---
 src/graph/Edge.js  | 12 ++++++++++--
 src/graph/Graph.js |  4 ++--
 src/graph/Node.js  |  4 ++--
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/graph/Edge.js b/src/graph/Edge.js
index eafcdfdb..0f9a3268 100644
--- a/src/graph/Edge.js
+++ b/src/graph/Edge.js
@@ -557,6 +557,7 @@ Edge.prototype._drawArrow = function(ctx) {
     var xFrom = (fromBorderPoint) * this.from.x + (1 - fromBorderPoint) * this.to.x;
     var yFrom = (fromBorderPoint) * this.from.y + (1 - fromBorderPoint) * this.to.y;
 
+
     if (this.smooth == true) {
       angle = Math.atan2((this.to.y - this.via.y), (this.to.x - this.via.x));
       dx = (this.to.x - this.via.x);
@@ -565,9 +566,16 @@ Edge.prototype._drawArrow = function(ctx) {
     }
     var toBorderDist = this.to.distanceToBorder(ctx, angle);
     var toBorderPoint = (edgeSegmentLength - toBorderDist) / edgeSegmentLength;
-    var xTo = (1 - toBorderPoint) * this.via.x + toBorderPoint * this.to.x;
-    var yTo = (1 - toBorderPoint) * this.via.y + toBorderPoint * this.to.y;
 
+    var xTo,yTo;
+    if (this.smooth == true) {
+     xTo = (1 - toBorderPoint) * this.via.x + toBorderPoint * this.to.x;
+     yTo = (1 - toBorderPoint) * this.via.y + toBorderPoint * this.to.y;
+    }
+    else {
+      xTo = (1 - toBorderPoint) * this.from.x + toBorderPoint * this.to.x;
+      yTo = (1 - toBorderPoint) * this.from.y + toBorderPoint * this.to.y;
+    }
 
     ctx.beginPath();
     ctx.moveTo(xFrom,yFrom);
diff --git a/src/graph/Graph.js b/src/graph/Graph.js
index fd402de6..d0613ece 100644
--- a/src/graph/Graph.js
+++ b/src/graph/Graph.js
@@ -22,7 +22,7 @@ function Graph (container, data, options) {
   this.renderRefreshRate = 60;                         // hz (fps)
   this.renderTimestep = 1000 / this.renderRefreshRate; // ms -- saves calculation later on
   this.renderTime = 0.5 * this.renderTimestep;         // measured time it takes to render a frame
-  this.maxRenderSteps = 4;                             // max amount of physics ticks per render step.
+  this.maxRenderSteps = 3;                             // max amount of physics ticks per render step.
 
   this.stabilize = true;  // stabilize before displaying the graph
   this.selectable = true;
@@ -1725,7 +1725,7 @@ Graph.prototype._isMoving = function(vmin) {
  * @private
  */
 Graph.prototype._discreteStepNodes = function() {
-  var interval = 0.75;
+  var interval = 0.5;
   var nodes = this.nodes;
   var nodeId;
 
diff --git a/src/graph/Node.js b/src/graph/Node.js
index 83c372fb..c6700d1a 100644
--- a/src/graph/Node.js
+++ b/src/graph/Node.js
@@ -235,7 +235,7 @@ Node.parseColor = function(color) {
       var lighterColorHex = util.HSVToHex(lighterColorHSV.h,lighterColorHSV.s,lighterColorHSV.v);
 
       c = {
-        border: color,
+        background: color,
         border:darkerColorHex,
         highlight: {
           background:lighterColorHex,
@@ -245,7 +245,7 @@ Node.parseColor = function(color) {
     }
     else {
       c = {
-        border:color,
+        background:color,
         border:color,
         highlight: {
           background:color,