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trying requestAnimationFrame

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This commit is contained in:
Connor Turland 2014-11-05 14:41:49 -05:00
parent fc711d4863
commit dc4392ee95
1 changed files with 59 additions and 11 deletions
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70
app/assets/javascripts/src/JIT.js
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@ -1,3 +1,6 @@
var requestAnimId;
/*
Copyright (c) 2011 Sencha Inc. - Author: Nicolas Garcia Belmonte (http://philogb.github.com/)
@ -2477,8 +2480,6 @@ Extras.Classes.Navigation = new Class({
// START METAMAPS CODE
jQuery(document).trigger(Metamaps.JIT.events.zoom, [e]);
// END METAMAPS CODE
console.log('zooming');
},
onMouseDown: function(e, win, eventInfo) {
@ -7098,8 +7099,8 @@ Graph.Plot = {
ctx.restore();
}
//END METAMAPS CODE
aGraph.eachNode(function(node) {
function plot(node) {
var nodeAlpha = node.getData('alpha');
node.eachAdjacency(function(adj) {
var nodeTo = adj.nodeTo;
@ -7122,7 +7123,55 @@ Graph.Plot = {
}
}
node.visited = !T;
});
}
function stop() {
cancelAnimationFrame(requestAnimId);
}
stop(); // cancels any previous plot calls
var i = 0;
var length = aGraph.nodes.length;
var keys = _.keys(aGraph.nodes);
function eachNode() {
var key = keys[i];
var node = aGraph.nodes[key];
if (node) {
i += 1;
requestAnimId = requestAnimationFrame(eachNode);
plot(node);
}
else {
stop();
}
}
requestAnimId = requestAnimationFrame(eachNode);
/*aGraph.eachNode(function(node) {
var nodeAlpha = node.getData('alpha');
node.eachAdjacency(function(adj) {
var nodeTo = adj.nodeTo;
if(!!nodeTo.visited === T && node.drawn && nodeTo.drawn) {
!animating && opt.onBeforePlotLine(adj);
that.plotLine(adj, canvas, animating);
!animating && opt.onAfterPlotLine(adj);
}
});
if(node.drawn) {
!animating && opt.onBeforePlotNode(node);
that.plotNode(node, canvas, animating);
!animating && opt.onAfterPlotNode(node);
}
if(!that.labelsHidden && opt.withLabels) {
if(node.drawn && nodeAlpha >= 0.95) {
that.labels.plotLabel(canvas, node, opt);
} else {
that.labels.hideLabel(node, false);
}
}
node.visited = !T;
});*/
},
/*
@ -7428,7 +7477,7 @@ Graph.Label.Native = new Class({
(end code)
*/
plotLabel: function(canvas, node, controller) {
/*
var ctx = canvas.getCtx();
var pos = node.pos.getc(true);
@ -7439,8 +7488,7 @@ Graph.Label.Native = new Class({
//START METAMAPS CODE
//var arrayOfLabelLines = Metamaps.Util.splitLine(node.name,30).split('\n');
var arrayOfLabelLines = ["something", "something"];
var arrayOfLabelLines = Metamaps.Util.splitLine(node.name,30).split('\n');
//render background
ctx.fillStyle = ctx.strokeStyle = Metamaps.Settings.colors.labels.background;
ctx.lineWidth = 2;
@ -7469,9 +7517,9 @@ Graph.Label.Native = new Class({
ctx.fill();
//ctx.stroke();
ctx.fillStyle = ctx.strokeStyle = node.getLabelData('color');*/
ctx.fillStyle = ctx.strokeStyle = node.getLabelData('color');
//this.renderLabel(arrayOfLabelLines, canvas, node, controller);
this.renderLabel(arrayOfLabelLines, canvas, node, controller);
// END METAMAPS CODE
// ORIGINAL CODE this.renderLabel(canvas, node, controller);
},
@ -7496,7 +7544,7 @@ Graph.Label.Native = new Class({
// START METAMAPS CODE
var index;
for (index = 0; index < customLabel.length; ++index) {
ctx.fillText(customLabel[index], pos.x, pos.y + node.getData("height") + 8 + (25*index));
ctx.fillText(customLabel[index], pos.x, pos.y + node.getData("height") + 9 + (25*index));
}
// END METAMAPS CODE
},