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-rw-r--r--public/assets/js/vendor/oktween.js159
1 files changed, 0 insertions, 159 deletions
diff --git a/public/assets/js/vendor/oktween.js b/public/assets/js/vendor/oktween.js
deleted file mode 100644
index 668c6f9..0000000
--- a/public/assets/js/vendor/oktween.js
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- oktween.add({
- obj: el.style,
- units: "px",
- from: { left: 0 },
- to: { left: 100 },
- duration: 1000,
- easing: oktween.easing.circ_out,
- update: function(obj){
- console.log(obj.left)
- }
- finished: function(){
- console.log("done")
- }
- })
-*/
-
-var oktween = (function(){
- var oktween = {}
- var tweens = oktween.tweens = []
- var last_t = 0
- var id = 0
- oktween.speed = 1
- oktween.add = function(tween){
- tween.id = id++
- tween.obj = tween.obj || {}
- if (tween.easing) {
- if (typeof tween.easing == "string" && oktween.easing[tween.easing]) {
- tween.easing = oktween.easing[tween.easing]
- }
- }
- else {
- tween.easing = oktween.easing.linear
- }
- if (! ('from' in tween) && ! ('to' in tween)) {
- tween.keys = []
- }
- else if (! ('from' in tween) ) {
- tween.from = {}
- tween.keys = Object.keys(tween.to)
- tween.keys.forEach(function(prop){
- tween.from[prop] = parseFloat(tween.obj[prop])
- })
- }
- else {
- tween.keys = Object.keys(tween.from)
- }
- tween.delay = tween.delay || 0
- tween.start = last_t + tween.delay
- tween.done = false
- tween.after = tween.after || []
- tween.then = function(fn){ tween.after.push(fn); return tween }
- tween.tick = 0
- tween.skip = tween.skip || 1
- tween.dt = 0
- tweens.push(tween)
- return tween
- }
- oktween.update = function(t) {
- requestAnimationFrame(oktween.update)
- last_t = t * oktween.speed
- if (tweens.length == 0) return
- var done = false
- tweens.forEach(function(tween, i){
- var dt = Math.min(1.0, (t - tween.start) / tween.duration)
- tween.tick++
- if (dt < 0 || (dt < 1 && (tween.tick % tween.skip != 0))) return
- var ddt = tween.dt = tween.easing(dt)
- tween.keys.forEach(function(prop){
- val = lerp( ddt, tween.from[prop], tween.to[prop] )
- if (tween.round) val = Math.round(val)
- if (tween.units) val = (Math.round(val)) + tween.units
- tween.obj[prop] = val
- })
- tween.update && tween.update(tween.obj, dt)
- if (dt == 1) {
- tween.finished && tween.finished(tween)
- if (tween.after.length) {
- var twn = tween.after.shift()
- twn.obj = twn.obj || tween.obj
- twn.after = tween.after
- oktween.add(twn)
- }
- if (tween.loop) {
- tween.start = t + tween.delay
- }
- else {
- done = tween.done = true
- }
- }
- })
- if (done) {
- tweens = tweens.filter(function(tween){ return ! tween.done })
- }
- }
- function lerp(n,a,b){ return (b-a)*n+a }
-
- requestAnimationFrame(oktween.update)
-
- oktween.easing = {
- linear: function(t){
- return t
- },
- circ_out: function(t) {
- return Math.sqrt(1 - (t = t - 1) * t)
- },
- circ_in: function(t){
- return -(Math.sqrt(1 - (t * t)) - 1)
- },
- circ_in_out: function(t) {
- return ((t*=2) < 1) ? -0.5 * (Math.sqrt(1 - t * t) - 1) : 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1)
- },
- quad_in: function(n){
- return Math.pow(n, 2)
- },
- quad_out: function(n){
- return n * (n - 2) * -1
- },
- quad_in_out: function(n){
- n = n * 2
- if(n < 1){ return Math.pow(n, 2) / 2 }
- return -1 * ((--n) * (n - 2) - 1) / 2
- },
- cubic_bezier: function (mX1, mY1, mX2, mY2) {
- function A(aA1, aA2) { return 1.0 - 3.0 * aA2 + 3.0 * aA1; }
- function B(aA1, aA2) { return 3.0 * aA2 - 6.0 * aA1; }
- function C(aA1) { return 3.0 * aA1; }
-
- // Returns x(t) given t, x1, and x2, or y(t) given t, y1, and y2.
- function CalcBezier(aT, aA1, aA2) {
- return ((A(aA1, aA2)*aT + B(aA1, aA2))*aT + C(aA1))*aT;
- }
-
- // Returns dx/dt given t, x1, and x2, or dy/dt given t, y1, and y2.
- function GetSlope(aT, aA1, aA2) {
- return 3.0 * A(aA1, aA2)*aT*aT + 2.0 * B(aA1, aA2) * aT + C(aA1);
- }
-
- function GetTForX(aX) {
- // Newton raphson iteration
- var aGuessT = aX;
- for (var i = 0; i < 10; ++i) {
- var currentSlope = GetSlope(aGuessT, mX1, mX2);
- if (currentSlope == 0.0) return aGuessT;
- var currentX = CalcBezier(aGuessT, mX1, mX2) - aX;
- aGuessT -= currentX / currentSlope;
- }
- return aGuessT;
- }
-
- return function(aX) {
- if (mX1 == mY1 && mX2 == mY2) return aX; // linear
- return CalcBezier(aX, mY1, mY2);
- }
- }
- }
-
- return oktween
-})()