0

我想要停止()我的翻译动画并让它立即在其最终位置结束。halt() 当前在当前位置停止动画。

var Engine = require('famous/core/Engine');
var Surface = require('famous/core/Surface');
var Transform = require('famous/core/Transform');
var StateModifier = require('famous/modifiers/StateModifier');
var Easing = require('famous/transitions/Easing');

var mainContext = Engine.createContext();

var surface = new Surface({
  size: [100, 100],
  content: 'click me to halt',
  properties: {
    color: 'white',
    textAlign: 'center',
    backgroundColor: '#FA5C4F'
  }
});

var stateModifier = new StateModifier({
  origin: [0.5, 0]
});

mainContext.add(stateModifier).add(surface);

stateModifier.setTransform(
  Transform.translate(0, 300, 0),
  { duration : 8000, curve: 'linear' }
);

surface.on('click', function() {
  stateModifier.halt();
  surface.setContent('halted');
});
4

2 回答 2

1

您的解决方案确实看起来很hacky..为什么不直接应用相同的转换而不进行转换..

surface.on('click', function() {
    stateModifier.halt();
    stateModifier.setTransform(Transform.translate(0, 300, 0));
    surface.setContent('halted');
});

编辑:

更好的是,您可以直接获得最终转换..

surface.on('click', function() {
  stateModifier.setTransform(stateModifier.getFinalTransform());
  surface.setContent('halted');
});
于 2014-05-13T17:33:06.850 回答
0

我为此发现了一个 hack,至少在 0.2.0 之前是这样。

您可以使用 Translate.set() 设置最终状态,使用非常大的数字来强制动画的最后状态。

很高兴看到在 Famo.us 的未来版本中使用 halt() 以某种方式支持这一点

var Engine = require('famous/core/Engine');
var Surface = require('famous/core/Surface');
var Transform = require('famous/core/Transform');
var StateModifier = require('famous/modifiers/StateModifier');
var Easing = require('famous/transitions/Easing');

var mainContext = Engine.createContext();

var surface = new Surface({
  size: [100, 100],
  content: 'click me to halt',
  properties: {
    color: 'white',
    textAlign: 'center',
    backgroundColor: '#FA5C4F'
  }
});

var stateModifier = new StateModifier({
  origin: [0.5, 0]
});

mainContext.add(stateModifier).add(surface);

stateModifier.setTransform(
  Transform.translate(0, 300, 0),
  { duration : 8000, curve: 'linear' }
);

surface.on('click', function() {
  // This forces the translate animation to its end state
  var translate = stateModifier._transformState.translate;
  translate.set(translate.get(Number.MAX_VALUE));
  surface.setContent('halted');
});
于 2014-05-13T17:12:35.173 回答