class GLBufferAttribute { constructor(buffer, type, itemSize, elementSize, count) { this.buffer = buffer; this.type = type; this.itemSize = itemSize; this.elementSize = elementSize; this.count = count; this.version = 0; } set needsUpdate(value) { if (value === true) this.version++; } setBuffer(buffer) { this.buffer = buffer; return this; } setType(type, elementSize) { this.type = type; this.elementSize = elementSize; return this; } setItemSize(itemSize) { this.itemSize = itemSize; return this; } setCount(count) { this.count = count; return this; } } GLBufferAttribute.prototype.isGLBufferAttribute = true; export { GLBufferAttribute };