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What is PlaneBufferGeometry exactly and how it is different from PlaneGeometry? (r69)
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A representation of mesh, line, or point geometry. Includes vertex positions, face indices, normals, colors, UVs, and custom attributes within buffers, reducing the cost of passing all this data to the GPU.
Represents a section bounded by a specific amount of half-edges. The current implementation assumes that a face always consist of three edges.
js is a cross-browser JavaScript library and application programming interface (API) used to create and display animated 3D computer graphics in a web browser using WebGL. The source code is hosted in a repository on GitHub.
PlaneBufferGeometry is a low memory alternative for PlaneGeometry. the object itself differs in a lot of ways. for instance, the vertices are located in PlaneBufferGeometry are located in PlaneBufferGeometry.attributes.position instead of PlaneGeometry.vertices
you can take a quick look in the browser console to figure out more differences, but as far as i understand, since the vertices are usually spaced on a uniform distance (X and Y) from each other, only the heights (Z) need to be given to position a vertex.
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