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我一直在研究这个问题一段时间,但似乎无法找到解决它的方法。

我正在尝试构建一个水平滚轮模块(由“层”阵列组成),在屏幕中间有一个“选择器”层,用于选择所述阵列中落在其上的层,显示所述层的名称和页面与之相关的。也就是说,一旦“beige layer”登陆“selector”,this.name就会显示在this.layer下面,“beige page”.x=0

现在的问题是轮子只在onDrag上移动,所以你必须一直拖动它才能移动它而不是onScroll。我尝试过读取“layers”数组中相对于“selector”的图层的 x 位置并触发命令,我还尝试过使用页面的 .parent 属性,但它不起作用它应该的方式。

如果有帮助,这是一个成帧器链接,http ://share.framerjs.com/psbqx3dvqtz9/

任何帮助将不胜感激,伙计们。

提前致谢!

亚历克斯

layerCount=8
circleCenterZ=0
circleCenterX= Screen.width / 2
circleRadius= 500
scrollSensitivity= 50
depthOfField= 25
divide= layerCount/Math.PI/1.6
allPosZ=[]
layers=[]
savX = 0
sX = 0
newCat=[]
colors=["green","red","blue","white","pink","purple","beige","orange","yellow","brown"]


select=new PageComponent
    x: 5
    y: 636
    backgroundColor: null
    borderWidth: 5
    clip:false
    scrollVertical:false

scroll = new ScrollComponent # invisible proxy ScrollComponent
    width: Screen.width, y:500
    scrollVertical: false
    height: 306

scroll.content.opacity = 0


colors.forEach (cat,i) ->
    posZ= allPosZ[i]= circleCenterZ+(circleRadius/2)*Math.cos(i/divide)
    posX= circleCenterX+(circleRadius/2)*Math.sin(i/divide)

    layer=layers[i]= new Layer
        width:109
        height:109
        parent:select.content
        y: select.height/5
        borderRadius: 100
        name: colors[i]
        midX: posX
        z: posZ

layers[0].onClick ->
    print this.name

maxDepth = Math.max.apply @, allPosZ
minDepth = Math.min.apply @, allPosZ


for layer,i in layers

    darken = Utils.modulate(layer.z,[maxDepth,minDepth],[0,1], true)
    layer.blur = Utils.modulate(layer.z,[maxDepth/3,minDepth],[0,depthOfField], true)


scroll.content.onDrag ->

    sX = (@.x + savX) / scrollSensitivity



    for layer,i in layers

        posZ= allPosZ[i]= circleCenterZ+(circleRadius/2)*Math.cos((i+sX)/divide)
        posX= circleCenterX+(circleRadius/2)*Math.sin((i+sX)/divide)

        layer.z = posZ
        layer.midX = posX
        darken = Utils.modulate(posZ,[maxDepth,minDepth],[0,1], true)
        layer.blur = Utils.modulate(posZ,[maxDepth/3,minDepth],[0,depthOfField], true)


scroll.content.onDragEnd ->
    savX = sX * scrollSensitivity
    @.x = 0


for i in [0...layerCount]
    category=newCat[i]=new Layer
        backgroundColor: colors[i]
        width: Screen.width
        x: Screen.width*i
        name: colors[i]+" "+"page"
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1 回答 1

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我认为您尝试做的事情可以通过使用来实现,onMove而不是onDrag. 这将在拖动动画期间触发,因此您也可以获得滚动速度。

因为您在一个圆圈中滚动,所以滚动应该是无限的。这可以通过将x每次移动设置为以滚动组件的宽度为模来实现。这方面的一个例子可以在这里找到。

要将其应用于您的代码,您需要进行一些更改:

  • 为您的代理滚动组件的内容添加一个大宽度的图层以增加内容大小
  • 将起始滚动偏移设置为内容的中间
  • 使用onMove而不是onDrag
  • 像这样修改@xin onMove@x = start + @x % scroll.width
  • 删除onDragEnd代码

这导致以下代码:

layerCount=8
circleCenterZ=0
circleCenterX= Screen.width / 2
circleRadius= 500
scrollSensitivity= 50
depthOfField= 25
divide= layerCount/Math.PI/1.6
allPosZ=[]
layers=[]
savX = 0
sX = 0
newCat=[]
colors=["green","red","blue","white","pink","purple","beige","orange","yellow","brown"]


select=new PageComponent
    x: 5
    y: 636
    backgroundColor: null
    borderWidth: 5
    clip:false
    scrollVertical:false

scroll = new ScrollComponent # invisible proxy ScrollComponent
    width: Screen.width, y:500
    scrollVertical: false
    height: 306

scroll.content.opacity = 0
count = 40
l = new Layer
    width: count * scroll.width
    height: scroll.content.height
    parent: scroll.content
start = -count/2 * scroll.width
scroll.content.x = start


colors.forEach (cat,i) ->
    posZ= allPosZ[i]= circleCenterZ+(circleRadius/2)*Math.cos(i/divide)
    posX= circleCenterX+(circleRadius/2)*Math.sin(i/divide)

    layer=layers[i]= new Layer
        width:109
        height:109
        parent:select.content
        y: select.height/5
        borderRadius: 100
        name: colors[i]
        midX: posX
        z: posZ

layers[0].onClick ->
    print this.name

maxDepth = Math.max.apply @, allPosZ
minDepth = Math.min.apply @, allPosZ


for layer,i in layers

    darken = Utils.modulate(layer.z,[maxDepth,minDepth],[0,1], true)
    layer.blur = Utils.modulate(layer.z,[maxDepth/3,minDepth],[0,depthOfField], true)


scroll.onMove ->

    @x = start + @x % scroll.width

    sX = @x / scrollSensitivity

    for layer,i in layers

        posZ= allPosZ[i]= circleCenterZ+(circleRadius/2)*Math.cos((i+sX)/divide)
        posX= circleCenterX+(circleRadius/2)*Math.sin((i+sX)/divide)

        layer.z = posZ
        layer.midX = posX
        darken = Utils.modulate(posZ,[maxDepth,minDepth],[0,1], true)
        layer.blur = Utils.modulate(posZ,[maxDepth/3,minDepth],[0,depthOfField], true)

for i in [0...layerCount]
    category=newCat[i]=new Layer
        backgroundColor: colors[i]
        width: Screen.width
        x: Screen.width*i
        name: colors[i]+" "+"page"

工作示例在这里:http ://share.framerjs.com/qc7jdyfyw7f6/

于 2016-12-13T13:55:12.943 回答