Added a top level Springy namespace
This commit is contained in:
Dennis Hotson
parent
9e4b8b0896
commit
484ec319df
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@ -22,7 +22,7 @@ var graphJSON = {
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};
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jQuery(function(){
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var graph = new Graph();
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var graph = new Springy.Graph();
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graph.loadJSON(graphJSON);
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var springy = jQuery('#springydemo').springy({
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@ -112,7 +112,7 @@ Raphael.fn.connection = function (obj1, obj2, style) {
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</script>
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<script>
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var graph = new Graph();
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var graph = new Springy.Graph();
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var dennis = graph.newNode({label: 'Dennis'});
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var michael = graph.newNode({label: 'Michael'});
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@ -166,16 +166,16 @@ function moveSet(set, x, y) {
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}
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function doit() {
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var layout = new Layout.ForceDirected(graph, 640, 480.0, 0.5);
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var layout = new Springy.Layout.ForceDirected(graph, 640, 480.0, 0.5);
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var r = Raphael("holder", 640, 480);
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// calculate bounding box of graph layout.. with ease-in
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var currentBB = layout.getBoundingBox();
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var targetBB = {bottomleft: new Vector(-2, -2), topright: new Vector(2, 2)};
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var targetBB = {bottomleft: new Springy.Vector(-2, -2), topright: new Springy.Vector(2, 2)};
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// auto adjusting bounding box
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Layout.requestAnimationFrame(function adjust() {
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Springy.requestAnimationFrame(function adjust() {
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targetBB = layout.getBoundingBox();
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// current gets 20% closer to target every iteration
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currentBB = {
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@ -185,7 +185,7 @@ function doit() {
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.divide(10))
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};
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Layout.requestAnimationFrame(adjust);
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Springy.requestAnimationFrame(adjust);
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});
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// convert to/from screen coordinates
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@ -193,11 +193,11 @@ function doit() {
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var size = currentBB.topright.subtract(currentBB.bottomleft);
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var sx = p.subtract(currentBB.bottomleft).divide(size.x).x * r.width;
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var sy = p.subtract(currentBB.bottomleft).divide(size.y).y * r.height;
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return new Vector(sx, sy);
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return new Springy.Vector(sx, sy);
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};
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var renderer = new Renderer(layout,
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var renderer = new Springy.Renderer(layout,
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function clear() {
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// code to clear screen
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},
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@ -4,7 +4,7 @@
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<script src="springy.js"></script>
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<script src="springyui.js"></script>
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<script>
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var graph = new Graph();
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var graph = new Springy.Graph();
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graph.addNodes('Dennis', 'Michael', 'Jessica', 'Timothy', 'Barbara')
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graph.addNodes('Amphitryon', 'Alcmene', 'Iphicles', 'Heracles');
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@ -4,7 +4,7 @@
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<script src="springy.js"></script>
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<script src="springyui.js"></script>
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<script>
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var graph = new Graph();
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var graph = new Springy.Graph();
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var dennis = graph.newNode({
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label: 'Dennis',
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326
springy.js
326
springy.js
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@ -25,10 +25,23 @@
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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// Enable strict mode for EC5 compatible browsers
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"use strict";
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(function() {
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// Enable strict mode for EC5 compatible browsers
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"use strict";
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var Graph = function() {
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// Establish the root object, `window` in the browser, or `global` on the server.
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var root = this;
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// The top-level namespace. All public Springy classes and modules will
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// be attached to this. Exported for both CommonJS and the browser.
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var Springy;
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if (typeof exports !== 'undefined') {
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Springy = exports;
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} else {
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Springy = root.Springy = {};
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}
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var Graph = Springy.Graph = function() {
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this.nodeSet = {};
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this.nodes = [];
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this.edges = [];
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@ -37,31 +50,30 @@ var Graph = function() {
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this.nextNodeId = 0;
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this.nextEdgeId = 0;
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this.eventListeners = [];
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};
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};
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var Node = function(id, data) {
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var Node = Springy.Node = function(id, data) {
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this.id = id;
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this.data = (data !== undefined) ? data : {};
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// Data fields used by layout algorithm in this file:
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// this.data.mass
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// Data used by default renderer in springyui.js
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// this.data.label
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};
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// Data fields used by layout algorithm in this file:
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// this.data.mass
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// Data used by default renderer in springyui.js
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// this.data.label
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};
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var Edge = function(id, source, target, data) {
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var Edge = Springy.Edge = function(id, source, target, data) {
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this.id = id;
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/** @type {Node} */
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this.source = source;
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this.target = target;
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this.data = (data !== undefined) ? data : {};
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// Edge data field used by layout alorithm
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// this.data.length
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// this.data.type
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};
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// Edge data field used by layout alorithm
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// this.data.length
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// this.data.type
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};
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Graph.prototype.addNode = function(node) {
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Graph.prototype.addNode = function(node) {
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if (!(node.id in this.nodeSet)) {
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this.nodes.push(node);
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}
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@ -70,9 +82,9 @@ Graph.prototype.addNode = function(node) {
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this.notify();
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return node;
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};
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};
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Graph.prototype.addNodes = function() {
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Graph.prototype.addNodes = function() {
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// accepts variable number of arguments, where each argument
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// is a string that becomes both node identifier and label
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for (var i = 0; i < arguments.length; i++) {
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@ -80,9 +92,9 @@ Graph.prototype.addNodes = function() {
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var node = new Node(name, {label:name});
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this.addNode(node);
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}
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};
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};
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Graph.prototype.addEdge = function(edge) {
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Graph.prototype.addEdge = function(edge) {
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var exists = false;
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this.edges.forEach(function(e) {
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if (edge.id === e.id) { exists = true; }
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@ -110,9 +122,9 @@ Graph.prototype.addEdge = function(edge) {
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this.notify();
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return edge;
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};
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};
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Graph.prototype.addEdges = function() {
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Graph.prototype.addEdges = function() {
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// accepts variable number of arguments, where each argument
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// is a triple [nodeid1, nodeid2, attributes]
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for (var i = 0; i < arguments.length; i++) {
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@ -129,28 +141,28 @@ Graph.prototype.addEdges = function() {
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this.newEdge(node1, node2, attr);
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}
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};
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};
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Graph.prototype.newNode = function(data) {
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Graph.prototype.newNode = function(data) {
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var node = new Node(this.nextNodeId++, data);
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this.addNode(node);
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return node;
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};
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};
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Graph.prototype.newEdge = function(source, target, data) {
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Graph.prototype.newEdge = function(source, target, data) {
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var edge = new Edge(this.nextEdgeId++, source, target, data);
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this.addEdge(edge);
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return edge;
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};
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};
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// add nodes and edges from JSON object
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Graph.prototype.loadJSON = function(json) {
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/**
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Springy's simple JSON format for graphs.
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// add nodes and edges from JSON object
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Graph.prototype.loadJSON = function(json) {
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/**
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Springy's simple JSON format for graphs.
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historically, Springy uses separate lists
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of nodes and edges:
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historically, Springy uses separate lists
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of nodes and edges:
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{
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"nodes": [
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@ -167,7 +179,7 @@ of nodes and edges:
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]
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}
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**/
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**/
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// parse if a string is passed (EC5+ browsers)
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if (typeof json == 'string' || json instanceof String) {
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json = JSON.parse( json );
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@ -177,21 +189,21 @@ of nodes and edges:
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this.addNodes.apply(this, json['nodes']);
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this.addEdges.apply(this, json['edges']);
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}
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}
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}
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// find the edges from node1 to node2
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Graph.prototype.getEdges = function(node1, node2) {
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// find the edges from node1 to node2
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Graph.prototype.getEdges = function(node1, node2) {
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if (node1.id in this.adjacency
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&& node2.id in this.adjacency[node1.id]) {
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return this.adjacency[node1.id][node2.id];
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}
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return [];
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};
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};
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// remove a node and it's associated edges from the graph
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Graph.prototype.removeNode = function(node) {
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// remove a node and it's associated edges from the graph
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Graph.prototype.removeNode = function(node) {
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if (node.id in this.nodeSet) {
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delete this.nodeSet[node.id];
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}
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@ -204,10 +216,10 @@ Graph.prototype.removeNode = function(node) {
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this.detachNode(node);
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};
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};
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// removes edges associated with a given node
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Graph.prototype.detachNode = function(node) {
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// removes edges associated with a given node
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Graph.prototype.detachNode = function(node) {
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var tmpEdges = this.edges.slice();
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tmpEdges.forEach(function(e) {
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if (e.source.id === node.id || e.target.id === node.id) {
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@ -216,10 +228,10 @@ Graph.prototype.detachNode = function(node) {
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}, this);
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this.notify();
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};
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};
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// remove a node and it's associated edges from the graph
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Graph.prototype.removeEdge = function(edge) {
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// remove a node and it's associated edges from the graph
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Graph.prototype.removeEdge = function(edge) {
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for (var i = this.edges.length - 1; i >= 0; i--) {
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if (this.edges[i].id === edge.id) {
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this.edges.splice(i, 1);
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@ -239,10 +251,10 @@ Graph.prototype.removeEdge = function(edge) {
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}
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this.notify();
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};
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};
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/* Merge a list of nodes and edges into the current graph. eg.
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var o = {
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/* Merge a list of nodes and edges into the current graph. eg.
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var o = {
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nodes: [
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{id: 123, data: {type: 'user', userid: 123, displayname: 'aaa'}},
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{id: 234, data: {type: 'user', userid: 234, displayname: 'bbb'}}
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@ -250,9 +262,9 @@ var o = {
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edges: [
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{from: 0, to: 1, type: 'submitted_design', directed: true, data: {weight: }}
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]
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}
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*/
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Graph.prototype.merge = function(data) {
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}
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*/
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Graph.prototype.merge = function(data) {
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var nodes = [];
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data.nodes.forEach(function(n) {
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nodes.push(this.addNode(new Node(n.id, n.data)));
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@ -271,40 +283,40 @@ Graph.prototype.merge = function(data) {
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var edge = this.addEdge(new Edge(id, from, to, e.data));
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edge.data.type = e.type;
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}, this);
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};
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};
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Graph.prototype.filterNodes = function(fn) {
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Graph.prototype.filterNodes = function(fn) {
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var tmpNodes = this.nodes.slice();
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tmpNodes.forEach(function(n) {
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if (!fn(n)) {
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this.removeNode(n);
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}
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}, this);
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};
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};
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Graph.prototype.filterEdges = function(fn) {
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Graph.prototype.filterEdges = function(fn) {
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var tmpEdges = this.edges.slice();
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tmpEdges.forEach(function(e) {
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if (!fn(e)) {
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this.removeEdge(e);
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}
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}, this);
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};
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};
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Graph.prototype.addGraphListener = function(obj) {
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Graph.prototype.addGraphListener = function(obj) {
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this.eventListeners.push(obj);
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};
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};
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Graph.prototype.notify = function() {
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Graph.prototype.notify = function() {
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this.eventListeners.forEach(function(obj){
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obj.graphChanged();
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});
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};
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};
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// -----------
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var Layout = {};
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Layout.ForceDirected = function(graph, stiffness, repulsion, damping) {
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// -----------
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var Layout = Springy.Layout = {};
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Layout.ForceDirected = function(graph, stiffness, repulsion, damping) {
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this.graph = graph;
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this.stiffness = stiffness; // spring stiffness constant
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this.repulsion = repulsion; // repulsion constant
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@ -312,18 +324,18 @@ Layout.ForceDirected = function(graph, stiffness, repulsion, damping) {
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this.nodePoints = {}; // keep track of points associated with nodes
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this.edgeSprings = {}; // keep track of springs associated with edges
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};
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};
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Layout.ForceDirected.prototype.point = function(node) {
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Layout.ForceDirected.prototype.point = function(node) {
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if (!(node.id in this.nodePoints)) {
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var mass = (node.data.mass !== undefined) ? node.data.mass : 1.0;
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this.nodePoints[node.id] = new Layout.ForceDirected.Point(Vector.random(), mass);
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}
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return this.nodePoints[node.id];
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};
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};
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Layout.ForceDirected.prototype.spring = function(edge) {
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Layout.ForceDirected.prototype.spring = function(edge) {
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if (!(edge.id in this.edgeSprings)) {
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var length = (edge.data.length !== undefined) ? edge.data.length : 1.0;
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@ -357,35 +369,35 @@ Layout.ForceDirected.prototype.spring = function(edge) {
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}
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return this.edgeSprings[edge.id];
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};
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};
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// callback should accept two arguments: Node, Point
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Layout.ForceDirected.prototype.eachNode = function(callback) {
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// callback should accept two arguments: Node, Point
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Layout.ForceDirected.prototype.eachNode = function(callback) {
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var t = this;
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this.graph.nodes.forEach(function(n){
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callback.call(t, n, t.point(n));
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});
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};
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};
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// callback should accept two arguments: Edge, Spring
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Layout.ForceDirected.prototype.eachEdge = function(callback) {
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// callback should accept two arguments: Edge, Spring
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Layout.ForceDirected.prototype.eachEdge = function(callback) {
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var t = this;
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this.graph.edges.forEach(function(e){
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callback.call(t, e, t.spring(e));
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});
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};
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};
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// callback should accept one argument: Spring
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Layout.ForceDirected.prototype.eachSpring = function(callback) {
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// callback should accept one argument: Spring
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Layout.ForceDirected.prototype.eachSpring = function(callback) {
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var t = this;
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this.graph.edges.forEach(function(e){
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callback.call(t, t.spring(e));
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});
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};
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};
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// Physics stuff
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Layout.ForceDirected.prototype.applyCoulombsLaw = function() {
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// Physics stuff
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Layout.ForceDirected.prototype.applyCoulombsLaw = function() {
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this.eachNode(function(n1, point1) {
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this.eachNode(function(n2, point2) {
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if (point1 !== point2)
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@ -400,9 +412,9 @@ Layout.ForceDirected.prototype.applyCoulombsLaw = function() {
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}
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});
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});
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};
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};
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Layout.ForceDirected.prototype.applyHookesLaw = function() {
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Layout.ForceDirected.prototype.applyHookesLaw = function() {
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this.eachSpring(function(spring){
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var d = spring.point2.p.subtract(spring.point1.p); // the direction of the spring
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var displacement = spring.length - d.magnitude();
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@ -412,35 +424,35 @@ Layout.ForceDirected.prototype.applyHookesLaw = function() {
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spring.point1.applyForce(direction.multiply(spring.k * displacement * -0.5));
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spring.point2.applyForce(direction.multiply(spring.k * displacement * 0.5));
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});
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};
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};
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Layout.ForceDirected.prototype.attractToCentre = function() {
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Layout.ForceDirected.prototype.attractToCentre = function() {
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this.eachNode(function(node, point) {
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var direction = point.p.multiply(-1.0);
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point.applyForce(direction.multiply(this.repulsion / 50.0));
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});
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};
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};
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Layout.ForceDirected.prototype.updateVelocity = function(timestep) {
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Layout.ForceDirected.prototype.updateVelocity = function(timestep) {
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this.eachNode(function(node, point) {
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// Is this, along with updatePosition below, the only places that your
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// integration code exist?
|
||||
point.v = point.v.add(point.a.multiply(timestep)).multiply(this.damping);
|
||||
point.a = new Vector(0,0);
|
||||
});
|
||||
};
|
||||
};
|
||||
|
||||
Layout.ForceDirected.prototype.updatePosition = function(timestep) {
|
||||
Layout.ForceDirected.prototype.updatePosition = function(timestep) {
|
||||
this.eachNode(function(node, point) {
|
||||
// Same question as above; along with updateVelocity, is this all of
|
||||
// your integration code?
|
||||
point.p = point.p.add(point.v.multiply(timestep));
|
||||
});
|
||||
};
|
||||
};
|
||||
|
||||
// Calculate the total kinetic energy of the system
|
||||
Layout.ForceDirected.prototype.totalEnergy = function(timestep) {
|
||||
// Calculate the total kinetic energy of the system
|
||||
Layout.ForceDirected.prototype.totalEnergy = function(timestep) {
|
||||
var energy = 0.0;
|
||||
this.eachNode(function(node, point) {
|
||||
var speed = point.v.magnitude();
|
||||
|
|
@ -448,11 +460,11 @@ Layout.ForceDirected.prototype.totalEnergy = function(timestep) {
|
|||
});
|
||||
|
||||
return energy;
|
||||
};
|
||||
};
|
||||
|
||||
var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }; // stolen from coffeescript, thanks jashkenas! ;-)
|
||||
var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; }; // stolen from coffeescript, thanks jashkenas! ;-)
|
||||
|
||||
Layout.requestAnimationFrame = __bind(window.requestAnimationFrame ||
|
||||
Springy.requestAnimationFrame = __bind(window.requestAnimationFrame ||
|
||||
window.webkitRequestAnimationFrame ||
|
||||
window.mozRequestAnimationFrame ||
|
||||
window.oRequestAnimationFrame ||
|
||||
|
|
@ -462,15 +474,15 @@ Layout.requestAnimationFrame = __bind(window.requestAnimationFrame ||
|
|||
}, window);
|
||||
|
||||
|
||||
// start simulation
|
||||
Layout.ForceDirected.prototype.start = function(render, done) {
|
||||
// start simulation
|
||||
Layout.ForceDirected.prototype.start = function(render, done) {
|
||||
var t = this;
|
||||
|
||||
if (this._started) return;
|
||||
this._started = true;
|
||||
this._stop = false;
|
||||
|
||||
Layout.requestAnimationFrame(function step() {
|
||||
Springy.requestAnimationFrame(function step() {
|
||||
t.applyCoulombsLaw();
|
||||
t.applyHookesLaw();
|
||||
t.attractToCentre();
|
||||
|
|
@ -486,17 +498,17 @@ Layout.ForceDirected.prototype.start = function(render, done) {
|
|||
t._started = false;
|
||||
if (done !== undefined) { done(); }
|
||||
} else {
|
||||
Layout.requestAnimationFrame(step);
|
||||
Springy.requestAnimationFrame(step);
|
||||
}
|
||||
});
|
||||
};
|
||||
};
|
||||
|
||||
Layout.ForceDirected.prototype.stop = function() {
|
||||
Layout.ForceDirected.prototype.stop = function() {
|
||||
this._stop = true;
|
||||
}
|
||||
}
|
||||
|
||||
// Find the nearest point to a particular position
|
||||
Layout.ForceDirected.prototype.nearest = function(pos) {
|
||||
// Find the nearest point to a particular position
|
||||
Layout.ForceDirected.prototype.nearest = function(pos) {
|
||||
var min = {node: null, point: null, distance: null};
|
||||
var t = this;
|
||||
this.graph.nodes.forEach(function(n){
|
||||
|
|
@ -509,10 +521,10 @@ Layout.ForceDirected.prototype.nearest = function(pos) {
|
|||
});
|
||||
|
||||
return min;
|
||||
};
|
||||
};
|
||||
|
||||
// returns [bottomleft, topright]
|
||||
Layout.ForceDirected.prototype.getBoundingBox = function() {
|
||||
// returns [bottomleft, topright]
|
||||
Layout.ForceDirected.prototype.getBoundingBox = function() {
|
||||
var bottomleft = new Vector(-2,-2);
|
||||
var topright = new Vector(2,2);
|
||||
|
||||
|
|
@ -534,91 +546,91 @@ Layout.ForceDirected.prototype.getBoundingBox = function() {
|
|||
var padding = topright.subtract(bottomleft).multiply(0.07); // ~5% padding
|
||||
|
||||
return {bottomleft: bottomleft.subtract(padding), topright: topright.add(padding)};
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
// Vector
|
||||
var Vector = function(x, y) {
|
||||
// Vector
|
||||
var Vector = Springy.Vector = function(x, y) {
|
||||
this.x = x;
|
||||
this.y = y;
|
||||
};
|
||||
};
|
||||
|
||||
Vector.random = function() {
|
||||
Vector.random = function() {
|
||||
return new Vector(10.0 * (Math.random() - 0.5), 10.0 * (Math.random() - 0.5));
|
||||
};
|
||||
};
|
||||
|
||||
Vector.prototype.add = function(v2) {
|
||||
Vector.prototype.add = function(v2) {
|
||||
return new Vector(this.x + v2.x, this.y + v2.y);
|
||||
};
|
||||
};
|
||||
|
||||
Vector.prototype.subtract = function(v2) {
|
||||
Vector.prototype.subtract = function(v2) {
|
||||
return new Vector(this.x - v2.x, this.y - v2.y);
|
||||
};
|
||||
};
|
||||
|
||||
Vector.prototype.multiply = function(n) {
|
||||
Vector.prototype.multiply = function(n) {
|
||||
return new Vector(this.x * n, this.y * n);
|
||||
};
|
||||
};
|
||||
|
||||
Vector.prototype.divide = function(n) {
|
||||
Vector.prototype.divide = function(n) {
|
||||
return new Vector((this.x / n) || 0, (this.y / n) || 0); // Avoid divide by zero errors..
|
||||
};
|
||||
};
|
||||
|
||||
Vector.prototype.magnitude = function() {
|
||||
Vector.prototype.magnitude = function() {
|
||||
return Math.sqrt(this.x*this.x + this.y*this.y);
|
||||
};
|
||||
};
|
||||
|
||||
Vector.prototype.normal = function() {
|
||||
Vector.prototype.normal = function() {
|
||||
return new Vector(-this.y, this.x);
|
||||
};
|
||||
};
|
||||
|
||||
Vector.prototype.normalise = function() {
|
||||
Vector.prototype.normalise = function() {
|
||||
return this.divide(this.magnitude());
|
||||
};
|
||||
};
|
||||
|
||||
// Point
|
||||
Layout.ForceDirected.Point = function(position, mass) {
|
||||
// Point
|
||||
Layout.ForceDirected.Point = function(position, mass) {
|
||||
this.p = position; // position
|
||||
this.m = mass; // mass
|
||||
this.v = new Vector(0, 0); // velocity
|
||||
this.a = new Vector(0, 0); // acceleration
|
||||
};
|
||||
};
|
||||
|
||||
Layout.ForceDirected.Point.prototype.applyForce = function(force) {
|
||||
Layout.ForceDirected.Point.prototype.applyForce = function(force) {
|
||||
this.a = this.a.add(force.divide(this.m));
|
||||
};
|
||||
};
|
||||
|
||||
// Spring
|
||||
Layout.ForceDirected.Spring = function(point1, point2, length, k) {
|
||||
// Spring
|
||||
Layout.ForceDirected.Spring = function(point1, point2, length, k) {
|
||||
this.point1 = point1;
|
||||
this.point2 = point2;
|
||||
this.length = length; // spring length at rest
|
||||
this.k = k; // spring constant (See Hooke's law) .. how stiff the spring is
|
||||
};
|
||||
};
|
||||
|
||||
// Layout.ForceDirected.Spring.prototype.distanceToPoint = function(point)
|
||||
// {
|
||||
// // hardcore vector arithmetic.. ohh yeah!
|
||||
// // .. see http://stackoverflow.com/questions/849211/shortest-distance-between-a-point-and-a-line-segment/865080#865080
|
||||
// var n = this.point2.p.subtract(this.point1.p).normalise().normal();
|
||||
// var ac = point.p.subtract(this.point1.p);
|
||||
// return Math.abs(ac.x * n.x + ac.y * n.y);
|
||||
// };
|
||||
// Layout.ForceDirected.Spring.prototype.distanceToPoint = function(point)
|
||||
// {
|
||||
// // hardcore vector arithmetic.. ohh yeah!
|
||||
// // .. see http://stackoverflow.com/questions/849211/shortest-distance-between-a-point-and-a-line-segment/865080#865080
|
||||
// var n = this.point2.p.subtract(this.point1.p).normalise().normal();
|
||||
// var ac = point.p.subtract(this.point1.p);
|
||||
// return Math.abs(ac.x * n.x + ac.y * n.y);
|
||||
// };
|
||||
|
||||
// Renderer handles the layout rendering loop
|
||||
function Renderer(layout, clear, drawEdge, drawNode) {
|
||||
// Renderer handles the layout rendering loop
|
||||
var Renderer = Springy.Renderer = function(layout, clear, drawEdge, drawNode) {
|
||||
this.layout = layout;
|
||||
this.clear = clear;
|
||||
this.drawEdge = drawEdge;
|
||||
this.drawNode = drawNode;
|
||||
|
||||
this.layout.graph.addGraphListener(this);
|
||||
}
|
||||
}
|
||||
|
||||
Renderer.prototype.graphChanged = function(e) {
|
||||
Renderer.prototype.graphChanged = function(e) {
|
||||
this.start();
|
||||
};
|
||||
};
|
||||
|
||||
Renderer.prototype.start = function() {
|
||||
Renderer.prototype.start = function() {
|
||||
var t = this;
|
||||
this.layout.start(function render() {
|
||||
t.clear();
|
||||
|
|
@ -631,15 +643,15 @@ Renderer.prototype.start = function() {
|
|||
t.drawNode(node, point.p);
|
||||
});
|
||||
});
|
||||
};
|
||||
};
|
||||
|
||||
Renderer.prototype.stop = function() {
|
||||
Renderer.prototype.stop = function() {
|
||||
this.layout.stop();
|
||||
};
|
||||
};
|
||||
|
||||
// Array.forEach implementation for IE support..
|
||||
//https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/forEach
|
||||
if ( !Array.prototype.forEach ) {
|
||||
// Array.forEach implementation for IE support..
|
||||
//https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/forEach
|
||||
if ( !Array.prototype.forEach ) {
|
||||
Array.prototype.forEach = function( callback, thisArg ) {
|
||||
var T, k;
|
||||
if ( this == null ) {
|
||||
|
|
@ -663,5 +675,5 @@ if ( !Array.prototype.forEach ) {
|
|||
k++;
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
}
|
||||
}).call(this);
|
||||
|
|
|
|||
24
springyui.js
24
springyui.js
|
|
@ -26,7 +26,7 @@ Copyright (c) 2010 Dennis Hotson
|
|||
(function() {
|
||||
|
||||
jQuery.fn.springy = function(params) {
|
||||
var graph = this.graph = params.graph || new Graph();
|
||||
var graph = this.graph = params.graph || new Springy.Graph();
|
||||
|
||||
var stiffness = params.stiffness || 400.0;
|
||||
var repulsion = params.repulsion || 400.0;
|
||||
|
|
@ -36,14 +36,14 @@ jQuery.fn.springy = function(params) {
|
|||
var canvas = this[0];
|
||||
var ctx = canvas.getContext("2d");
|
||||
|
||||
var layout = this.layout = new Layout.ForceDirected(graph, stiffness, repulsion, damping);
|
||||
var layout = this.layout = new Springy.Layout.ForceDirected(graph, stiffness, repulsion, damping);
|
||||
|
||||
// calculate bounding box of graph layout.. with ease-in
|
||||
var currentBB = layout.getBoundingBox();
|
||||
var targetBB = {bottomleft: new Vector(-2, -2), topright: new Vector(2, 2)};
|
||||
var targetBB = {bottomleft: new Springy.Vector(-2, -2), topright: new Springy.Vector(2, 2)};
|
||||
|
||||
// auto adjusting bounding box
|
||||
Layout.requestAnimationFrame(function adjust() {
|
||||
Springy.requestAnimationFrame(function adjust() {
|
||||
targetBB = layout.getBoundingBox();
|
||||
// current gets 20% closer to target every iteration
|
||||
currentBB = {
|
||||
|
|
@ -53,7 +53,7 @@ jQuery.fn.springy = function(params) {
|
|||
.divide(10))
|
||||
};
|
||||
|
||||
Layout.requestAnimationFrame(adjust);
|
||||
Springy.requestAnimationFrame(adjust);
|
||||
});
|
||||
|
||||
// convert to/from screen coordinates
|
||||
|
|
@ -61,14 +61,14 @@ jQuery.fn.springy = function(params) {
|
|||
var size = currentBB.topright.subtract(currentBB.bottomleft);
|
||||
var sx = p.subtract(currentBB.bottomleft).divide(size.x).x * canvas.width;
|
||||
var sy = p.subtract(currentBB.bottomleft).divide(size.y).y * canvas.height;
|
||||
return new Vector(sx, sy);
|
||||
return new Springy.Vector(sx, sy);
|
||||
};
|
||||
|
||||
fromScreen = function(s) {
|
||||
var size = currentBB.topright.subtract(currentBB.bottomleft);
|
||||
var px = (s.x / canvas.width) * size.x + currentBB.bottomleft.x;
|
||||
var py = (s.y / canvas.height) * size.y + currentBB.bottomleft.y;
|
||||
return new Vector(px, py);
|
||||
return new Springy.Vector(px, py);
|
||||
};
|
||||
|
||||
// half-assed drag and drop
|
||||
|
|
@ -120,7 +120,7 @@ jQuery.fn.springy = function(params) {
|
|||
dragged = null;
|
||||
});
|
||||
|
||||
Node.prototype.getWidth = function() {
|
||||
Springy.Node.prototype.getWidth = function() {
|
||||
var text = (this.data.label !== undefined) ? this.data.label : this.id;
|
||||
if (this._width && this._width[text])
|
||||
return this._width[text];
|
||||
|
|
@ -136,11 +136,11 @@ jQuery.fn.springy = function(params) {
|
|||
return width;
|
||||
};
|
||||
|
||||
Node.prototype.getHeight = function() {
|
||||
Springy.Node.prototype.getHeight = function() {
|
||||
return 20;
|
||||
};
|
||||
|
||||
var renderer = this.renderer = new Renderer(layout,
|
||||
var renderer = this.renderer = new Springy.Renderer(layout,
|
||||
function clear() {
|
||||
ctx.clearRect(0,0,canvas.width,canvas.height);
|
||||
},
|
||||
|
|
@ -150,7 +150,7 @@ jQuery.fn.springy = function(params) {
|
|||
var x2 = toScreen(p2).x;
|
||||
var y2 = toScreen(p2).y;
|
||||
|
||||
var direction = new Vector(x2-x1, y2-y1);
|
||||
var direction = new Springy.Vector(x2-x1, y2-y1);
|
||||
var normal = direction.normal().normalise();
|
||||
|
||||
var from = graph.getEdges(edge.source, edge.target);
|
||||
|
|
@ -290,7 +290,7 @@ jQuery.fn.springy = function(params) {
|
|||
return false;
|
||||
}
|
||||
|
||||
return new Vector(p1.x + ua * (p2.x - p1.x), p1.y + ua * (p2.y - p1.y));
|
||||
return new Springy.Vector(p1.x + ua * (p2.x - p1.x), p1.y + ua * (p2.y - p1.y));
|
||||
}
|
||||
|
||||
function intersect_line_box(p1, p2, p3, w, h) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user