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FIX(animation): consider easing options

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Up to now a default easing method 'linear' was used even
if the easing option has been set.

This commit makes sure that the assigned easing option is considered
when animating.w
This commit is contained in:
Manuel Ernst 2018-11-09 11:29:51 +01:00 committed by seriousManual
parent b7afca3ea2
commit 77b05c30ee
1 changed files with 26 additions and 17 deletions
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39
anim.js
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@ -11,7 +11,8 @@ function Anim() {
Anim.prototype.add = function(to, duration, options) {
var options = options || {}
var duration = duration || resolution
options['easing'] = options['easing'] || 'linear'
options.easing = options.easing || 'linear';
this.fx_stack.push({'to': to, 'duration': duration, 'options': options})
return this
}
@ -29,36 +30,44 @@ Anim.prototype.stop = function () {
Anim.prototype.run = function(universe, onFinish) {
var config = {}
var t = 0
var d = 0
var a
var ticks = 0
var duration = 0
var animationStep
var fx_stack = this.fx_stack;
var ani_setup = function() {
a = fx_stack.shift()
t = 0
d = a.duration
animationStep = fx_stack.shift()
ticks = 0
duration = animationStep.duration
config = {}
for(var k in a.to) {
for (var k in animationStep.to) {
config[k] = {
'start': universe.get(k),
'end': a.to[k]
'end': animationStep.to[k],
'options': animationStep.options
}
}
}
var ani_step = function() {
var new_vals = {}
var newValues = {}
for (var k in config) {
new_vals[k] = Math.round(config[k].start + ease['linear'](t, 0, 1, d) * (config[k].end - config[k].start))
var entry = config[k]
var easing = ease[entry.options.easing]
newValues[k] = Math.round(entry.start + easing(ticks, 0, 1, duration) * (entry.end - entry.start))
}
t = t + resolution
universe.update(new_vals)
if(t > d) {
ticks = ticks + resolution
universe.update(newValues)
if (ticks > duration) {
if (fx_stack.length > 0) {
ani_setup()
} else {
clearInterval(iid)
if(onFinish) onFinish()
if(onFinish) {
onFinish()
}
}
}
}