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nice hue blending and cursor focus blur

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This commit is contained in:
Peter Cottle 2012-10-12 15:52:07 -07:00
parent ea6844ae04
commit bca3e1d537
5 changed files with 138 additions and 17 deletions
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36
src/visuals.js
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@ -283,7 +283,6 @@ GitVisuals.prototype.addBranch = function(branch) {
var visBranch = new VisBranch({
branch: branch
});
branch.set('visBranch', visBranch);
this.visBranchCollection.add(visBranch);
if (this.paperReady) {
@ -424,6 +423,41 @@ GitVisuals.prototype.drawTreeFirstTime = function() {
/************************
* Random util functions, adapted from liquidGraph
***********************/
function blendHueStrings(hueStrings) {
// assumes a sat of 0.7 and brightness of 1
var x = 0;
var y = 0;
var totalSat = 0;
var totalBright = 0;
var length = hueStrings.length;
_.each(hueStrings, function(hueString) {
var exploded = hueString.split('(')[1];
exploded = exploded.split(')')[0];
exploded = exploded.split(',');
totalSat += parseFloat(exploded[1]);
totalBright += parseFloat(exploded[2]);
var hue = parseFloat(exploded[0]);
var angle = hue * Math.PI * 2;
x += Math.cos(angle);
y += Math.sin(angle);
});
x = x / length;
y = y / length;
totalSat = totalSat / length;
totalBright = totalBright / length;
var hue = Math.atan2(y, x) / (Math.PI * 2);
if (hue < 0) {
hue = hue + 1;
}
return 'hsb(' + String(hue) + ',' + String(totalSat) + ',' + String(totalBright) + ')';
}
function constructPathStringFromCoords(points,wantsToClose) {
var pathString = "M" + String(Math.round(points[0].x)) + "," + String(Math.round(points[0].y));
var lp = points[0];