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- <h1>Buffer Attribute Usage Constants</h1>
- <p>
- 사용 상수를 사용하여 성능을 최적화하기 위해 지오메트리 버퍼 속성을 사용하는 방법에 대한 힌트를 API에 제공할 수 있습니다.
- </p>
- <h2>코드 예제</h2>
- <code>
- const geometry = new THREE.BufferGeometry();
- const positionAttribute = new THREE.BufferAttribute( array, 3 , false );
- positionAttribute.setUsage( THREE.DynamicDrawUsage );
- geometry.setAttribute( 'position', positionAttribute );
- </code>
- <h2>예제</h2>
- <p>[example:webgl_buffergeometry_drawrange materials / buffergeometry / drawrange ]</p>
- <h2>Geometry Usage</h2>
- <code>
- THREE.StaticDrawUsage
- THREE.DynamicDrawUsage
- THREE.StreamDrawUsage
- THREE.StaticReadUsage
- THREE.DynamicReadUsage
- THREE.StreamReadUsage
- THREE.StaticCopyUsage
- THREE.DynamicCopyUsage
- THREE.StreamCopyUsage
- </code>
- 이러한 각 상수에 대한 자세한 내용은 [link:https://www.khronos.org/opengl/wiki/Buffer_Object#Buffer_Object_Usage this OpenGL documentation]를 참조하세요.
- <h2>소스코드</h2>
- <p>
- [link:https://github.com/mrdoob/three.js/blob/master/src/constants.js src/constants.js]
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