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{{animateNumber}}

var app1 = new Vue({
  el:'#app1',
  data:{
    number:0,
    animateNumber:0
  },
  watch:{
    number:function (newVal, oldVal) {
      var vm = this
      function animate() {
        if (TWEEN.update()){
          requestAnimationFrame(animate)
        }
      }

      new TWEEN.Tween({tweeningNumber:oldVal})
        .easing(TWEEN.Easing.Quadratic.Out)
        .to({tweeningNumber:newVal}, 500)
        .onUpdate(function () {
          vm.animateNumber = this.tweeningNumber.toFixed(0)
        })
        .onComplete(function () {
          cancelAnimationFrame(animate)
        })
        .start()
      animate()
    }
  }
})

  
  Update
  
Preview:
  

  
  
{{tweenedCSSColor}}

var Color = net.brehaut.Color
new Vue({
  el:'#app-color',
  data:{
    colorQuery:'',
    color:{
      red:0,
      green:0,
      blue:0,
      alpha:1
    },
    tweenedColor:{}
  },
  created:function () {
    this.tweenedColor = Object.assign({}, this.color)
  },
  watch:{
    color:function () {
      function animate() {
        if (TWEEN.update()){
          requestAnimationFrame(animate)
        }
      }
      new TWEEN.Tween(this.tweenedColor)
        .to(this.color, 750)
        .start()
      animate()
    }
  },
  computed:{
    tweenedCSSColor:function () {
      return new Color({
        red:this.tweenedColor.red,
        green:this.tweenedColor.green,
        blue:this.tweenedColor.blue,
        alpha:this.tweenedColor.alpha
      }).toCSS()
    }
  },
  methods:{
    updateColor:function () {
      this.color = new Color(this.colorQuery).toRGB()
      this.colorQuery = ''
    }
  }
})

   +
   =
  {{result}}
  

     +
     =
    
  

Vue.component('animate-integer',{
  template:'{{tweeningValue}}',
  props:{
    value:{
      type:Number,
      required:true
    }
  },
  data:function () {
    return {tweeningValue:0}
  },
  mounted:function () {
    this.tween(0, this.value)
  },
  watch:{
    value:function (newVal, oldVal) {
      this.tween(oldVal, newVal)
    }
  },
  methods:{
    tween:function (startValue, endValue) {
      var vm = this
      function animate() {
        if(TWEEN.update()){
        requestAnimationFrame(animate)
        }
      }
      new TWEEN.Tween({tweeningValue:startValue})
        .to({tweeningValue:endValue}, 500)
        .onUpdate(function () {
          vm.tweeningValue = this.tweeningValue.toFixed(0)
        }).start()
      animate()
    }
  }
})

new Vue({
  el:'#app',
  data:{
    firstNumber:20,
    secondNumber:40
  },
  computed:{
    result:function () {
      return this.firstNumber + this.secondNumber
    }
  }
})