import { BufferAttribute } from './BufferAttribute.js';
class InstancedBufferAttribute extends BufferAttribute {
constructor( array, itemSize, normalized, meshPerAttribute = 1 ) {
super( array, itemSize, normalized );
this.isInstancedBufferAttribute = true;
this.meshPerAttribute = meshPerAttribute;
}
copy( source ) {
super.copy( source );
this.meshPerAttribute = source.meshPerAttribute;
return this;
}
toJSON() {
const data = super.toJSON();
data.meshPerAttribute = this.meshPerAttribute;
data.isInstancedBufferAttribute = true;
return data;
}
}
export { InstancedBufferAttribute };