*Inheritance: Interpolant →* # LinearInterpolant A basic linear interpolant. ## Constructor ### new LinearInterpolant( parameterPositions : TypedArray, sampleValues : TypedArray, sampleSize : number, resultBuffer : TypedArray ) Constructs a new linear interpolant. **parameterPositions** The parameter positions hold the interpolation factors. **sampleValues** The sample values. **sampleSize** The sample size **resultBuffer** The result buffer. ## Source [src/math/interpolants/LinearInterpolant.js](https://github.com/mrdoob/three.js/blob/master/src/math/interpolants/LinearInterpolant.js)