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Update index.js #281

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42 changes: 21 additions & 21 deletions demos/other/d3layout/index.js
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Original file line number Diff line number Diff line change
@@ -1,16 +1,16 @@
var graphGenerator = Viva.Graph.generator();
var graph = graphGenerator.grid(20, 20);
let graphGenerator = Viva.Graph.generator();
let graph = graphGenerator.grid(20, 20);

var layout = d3Force(graph, {
let layout = d3Force(graph, {
springLength : 20,
springCoeff : 1,
gravity: -30,
springIterations: 10
});

var graphics = Viva.Graph.View.webglGraphics();
let graphics = Viva.Graph.View.webglGraphics();

var renderer = Viva.Graph.View.renderer(graph, {
let renderer = Viva.Graph.View.renderer(graph, {
layout: layout,
graphics: graphics,
renderLinks: true,
Expand All @@ -22,30 +22,30 @@ renderer.run();
// TODO: extract into module
function d3Force(graph, options) {
// todo: check input
var nodes = [], links = [];
var nodeIdToIdx = Object.create(null);
var linkIdToD3Link = Object.create(null);
let nodes = [], links = [];
let nodeIdToIdx = Object.create(null);
let linkIdToD3Link = Object.create(null);

graph.forEachNode(function(n) {
var index = nodes.length;
let index = nodes.length;
nodeIdToIdx[n.id] = index;
var node = {
let node = {
index: index
}
nodes.push(node);
});

graph.forEachLink(function(l) {
var source = nodeIdToIdx[l.fromId];
var target = nodeIdToIdx[l.toId];
let source = nodeIdToIdx[l.fromId];
let target = nodeIdToIdx[l.toId];

var index = links.length;
var link = {source: source, target: target, index: index}
let index = links.length;
let link = {source: source, target: target, index: index}
links.push(link);
linkIdToD3Link[l.id] = link;
});

var simulation = d3.forceSimulation(nodes)
let simulation = d3.forceSimulation(nodes)
.force("charge", d3.forceManyBody().strength(options.gravity))
.force("link", d3.forceLink(links)
.strength(options.springCoeff)
Expand All @@ -63,18 +63,18 @@ function d3Force(graph, options) {
getNodePosition: getNodePosition,

getLinkPosition: function(linkId) {
var link = linkIdToD3Link[linkId];
let link = linkIdToD3Link[linkId];
return {
from: link.source,
to: link.target
};
},

getGraphRect: function() {
var minX = Number.POSITIVE_INFINITY;
var minY = Number.POSITIVE_INFINITY;
var maxX = Number.NEGATIVE_INFINITY;
var maxY = Number.NEGATIVE_INFINITY;
let minX = Number.POSITIVE_INFINITY;
let minY = Number.POSITIVE_INFINITY;
let maxX = Number.NEGATIVE_INFINITY;
let maxY = Number.NEGATIVE_INFINITY;

nodes.forEach(function(node) {
if (node.x < minX) minX = node.x;
Expand Down Expand Up @@ -105,7 +105,7 @@ function d3Force(graph, options) {
},

setNodePosition: function(nodeId, x, y) {
var pos = getNodePosition(nodeId);
let pos = getNodePosition(nodeId);
pos.x = x;
pos.y = y;
}
Expand Down