---
title: "sqrDist | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Function sqrDist

-   sqrDist(a: [ReadonlyVec3](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyVec3/), b: [ReadonlyVec3](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyVec3/)): number[](#sqrdist)
    
    Calculates the squared euclidian distance between two vec3's
    
    #### Parameters
    
    -   a: [ReadonlyVec3](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyVec3/)
        
        the first operand
        
    -   b: [ReadonlyVec3](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.ReadonlyVec3/)
        
        the second operand
        
    
    #### Returns number
    
    squared distance between a and b