Buffer Attribute Usage Constants
The usage constants can be used to provide a hint to the API regarding how the geometry buffer attribute will be used in order to optimize performance.
Code Example
const geometry = new THREE.BufferGeometry(); const positionAttribute = new
THREE.BufferAttribute( array, 3 , false ); positionAttribute.setUsage(
THREE.DynamicDrawUsage ); geometry.setAttribute( 'position', positionAttribute
);
Examples
[example:webgl_buffergeometry_drawrange materials / buffergeometry / drawrange ]
Geometry Usage
THREE.StaticDrawUsage THREE.DynamicDrawUsage THREE.StreamDrawUsage
THREE.StaticReadUsage THREE.DynamicReadUsage THREE.StreamReadUsage
THREE.StaticCopyUsage THREE.DynamicCopyUsage THREE.StreamCopyUsage
For more detailed information on each of these constants see this OpenGL documentation.