| 184 | } |
| 185 | |
| 186 | function isAccelerating(samples) { |
| 187 | function average(num) { |
| 188 | var sum = 0; |
| 189 | |
| 190 | var lastElements = samples.slice(Math.max(samples.length - num, 1)); |
| 191 | |
| 192 | for(var i = 0; i < lastElements.length; i++){ |
| 193 | sum += lastElements[i]; |
| 194 | } |
| 195 | |
| 196 | return Math.ceil(sum/num); |
| 197 | } |
| 198 | |
| 199 | var avEnd = average(10); |
| 200 | var avMiddle = average(70); |
| 201 | |
| 202 | if(avEnd >= avMiddle) { |
| 203 | return true; |
| 204 | } else { |
| 205 | return false; |
| 206 | } |
| 207 | } |
| 208 | var scrollify = function(options) { |
| 209 | initialised = true; |
| 210 | $.easing['easeOutExpo'] = function(x, t, b, c, d) { |