What are the advantages of utilizing buffer geometries in Three.js?

I have experience using both BufferGeometry and Geometry, so I feel comfortable with either. Even when I need to make frequent modifications, I tend to lean on BufferGeometry because although the code is more verbose, it's not overly complex.

Can you provide any suggestions or guidelines for determining when to use BufferGeometry vs. Geometry?

Answer №1

Many of the loaders in three.js are currently undergoing changes to return BufferGeometry rather than Geometry. This switch is primarily for improved loading speed and enhanced memory efficiency.

BufferGeometry organizes data in a manner that can be easily transmitted to the GPU, whereas Geometry stores data in a user-friendly format which may be more suitable for manual geometry manipulation.

Fortunately, three.js offers methods for converting between Geometry and BufferGeometry, allowing flexibility in your choice of data structure.

The amount of performance gain or memory saved varies depending on the specific use case.

By becoming proficient with both data structures, you can effectively determine which one best suits your application's needs.

Version: three.js r.75

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