Created
May 11, 2010 01:09
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// Redistributable Slider Algorithm | |
var sliders = $('.slider'); | |
var max = 350; | |
var slidernum = 3; | |
var sliderVals = [max/slidernum,max/slidernum,max/slidernum,max/slidernum,max/slidernum,max/slidernum,max/slidernum]; | |
var amounts = [0,0,0,0,0,0,0] | |
var lockedSlider = 0; | |
function setSliderVals() { | |
var json = []; | |
for (var i = 0; i<sliders.length; i++) { | |
var s = $(sliders[i]); | |
sliderVals[i] = Math.floor(s.slider('value') / max * 100000000) / 1000000; | |
var name = s.attr('name'); | |
json.push('"' + name + '":' + sliderVals[i]); | |
} | |
$('input[name=customamount]').val('{' + json.join(',') + '}'); | |
} | |
var contribution = 0; | |
function recalculateSliders() { | |
if (isNaN(contribution)) contribution = 0; | |
var lockedval = 0; | |
for (var i = 0; i<sliders.length; i++) { | |
var s = $(sliders[i]); | |
if (lockedSlider == i) lockedval = s.slider('value'); | |
} | |
var sum = 0; | |
for (var i = 0; i<sliders.length; i++) { | |
if (lockedSlider == i) continue; | |
sum += sliderVals[i]; | |
} | |
var mult = (max - lockedval) / (sum) | |
for (var i = 0; i<sliders.length; i++) { | |
if (i == lockedSlider) continue; | |
var s = $(sliders[i]); | |
s.slider('value',sliderVals[i] * mult); | |
} | |
var moneysurplus = 0; | |
var divvy = 0; | |
for (var i = 0; i<sliders.length; i++) { | |
var s = $(sliders[i]); | |
var amt = (s.slider('value') / max) * contribution; | |
if (s.slider('value') == 1) { amt = 0; divvy++; }; | |
amounts[i] = amt; | |
moneysurplus += amt; | |
} | |
moneysurplus -= contribution; | |
moneysurplus = moneysurplus / (sliders.length - divvy); | |
for (var i = 0; i<sliders.length; i++) { | |
var s = $(sliders[i]); | |
if (s.slider('value') != 1) amounts[i] -= moneysurplus; | |
s.parent().find('.slider_amount').text(format(amounts[i])); | |
} | |
} |
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