Updating the positions of BufferGeometry in three.js using Typescript

My current challenge involves following the recommended steps to update a BufferGeometry as detailed in this specific document:

However, I am working with TypeScript and encounter an issue when attempting to modify values on 

line.geometry.attributes.position.array
, similar to what is shown in the example:

    positions[ index ++ ] = x;
    positions[ index ++ ] = y;
    positions[ index ++ ] = z;

This results in an error being thrown: 

TS2542: Index signature in type 'ArrayLike<number>' only permits reading.

Does anyone know of alternative methods for updating a BufferGeometry during runtime?

typescriptthree.js

Answer №1

According to prisioner849, it is recommended to utilize the BufferAttribute's .setXYZ() method instead of directly modifying positions at a specific index.

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