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<!DOCTYPE html>
< html lang = "zh" >
< head >
< meta charset = "utf-8" / >
< base href = "../../../" / >
< script src = "page.js" > < / script >
< link type = "text/css" rel = "stylesheet" href = "page.css" / >
< / head >
< body >
< h1 > 插值器（[name]） < / h1 >
< p class = "desc" >
A参数样本上插值的抽象基类 < br / > < br / >
参数域是一维的，通常是数据定义的曲线上的时间或路径。< br / > < br / >
示例值可以具有任何维度，派生类可以对数据应用特殊的解释。< br / > < br / >
该类提供间隔查找的模板方法，将实际的插值延迟到派生类。< br / > < br / >
对于最多两个点之间的访问时间复杂度为O(1)， ， < br / > < br / >
相关: [link:http://www.oodesign.com/template-method-pattern.html http://www.oodesign.com/template-method-pattern.html]
< / p >
< h2 > Constructor< / h2 >
< h2 > Constructor< / h2 >
< h3 > [name]( parameterPositions, sampleValues, sampleSize, resultBuffer )< / h3 >
< p >
parameterPositions -- array of positions< br / >
sampleValues -- array of samples< br / >
sampleSize -- number of samples< br / >
resultBuffer -- buffer to store the interpolation results.< br / > < br / >
注意: 这不是设计为直接调用的。
< / p >
< h2 > Properties< / h2 >
< h3 > [property:null parameterPositions]< / h3 >
< p >
< / p >
< h3 > [property:null resultBuffer]< / h3 >
< p >
< / p >
< h3 > [property:null sampleValues]< / h3 >
< p >
< / p >
< h3 > [property:Object settings]< / h3 >
< p >
Optional, subclass-specific settings structure.
< / p >
< h3 > [property:null valueSize]< / h3 >
< p >
< / p >
< h2 > Methods< / h2 >
< h3 > [method:Array evaluate]( [param:Number t] )< / h3 >
< p >
计算补间函数在位置 *t* 的值。
< / p >
< h2 > 源码（ ） < / h2 >
< p >
[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
< / p >
< / body >
< / html >