index *= this.itemSize; if ( this.normalized ) { x = normalize( x, this.array ); y = normalize( y, this.array ); z = normalize( z, this.array ); } this.array[ index + 0 ] = x; this.array[ index + 1 ] = y; this.array[ index + 2 ] = z; return this; } setXYZW( index, x, y, z, w ) { index *= this.itemSize; if ( this.normalized ) { x = normalize( x, this.array ); y = normalize( y, this.array ); z = normalize( z, this.array ); w = normalize( w, this.array ); } this.array[ index + 0 ] = x; this.array[ index + 1 ] = y; this.array[ index + 2 ] = z; this.array[ index + 3 ] = w; return this; } onUpload( callback ) { this.onUploadCallback = callback; return this; } clone() { return new this.constructor( this.array, this.itemSize ).copy( this ); } toJSON() { const data = { itemSize: this.itemSize, type: this.array.constructor.name, array: Array.from( this.array ), normalized: this.normalized }; if ( this.name !== '' ) data.name = this.name; if ( this.usage !== StaticDrawUsage ) data.usage = this.usage; return data; } } // class Int8BufferAttribute extends BufferAttribute { constructor( array, itemSize, normalized ) { super( new Int8Array( array ), itemSize, normalized ); } } class Uint8BufferAttribute extends BufferAttribute { constructor( array, itemSize, normalized ) { super( new Uint8Array( array ), itemSize, normalized ); } } class Uint8ClampedBufferAttribute extends BufferAttribute { constructor( array, itemSize, normalized ) { super( new Uint8ClampedArray( array ), itemSize, normalized ); } } class Int16BufferAttribute extends BufferAttribute { constructor( array, itemSize, normalized ) { super( new Int16Array( array ), itemSize, normalized ); } } class Uint16BufferAttribute extends BufferAttribute { constructor( array, itemSize, normalized ) { super( new Uint16Array( array ), itemSize, normalized ); } } class Int32BufferAttribute extends BufferAttribute { constructor( array, itemSize, normalized ) { super( new Int32Array( array ), itemSize, normalized ); } } class Uint32BufferAttribute extends BufferAttribute { constructor( array, itemSize, normalized ) { super( new Uint32Array( array ), itemSize, normalized ); } } class Float16BufferAttribute extends BufferAttribute { constructor( array, itemSize, normalized ) { super( new Uint16Array( array ), itemSize, normalized ); this.isFloat16BufferAttribute = true; } getX( index ) { let x = fromHalfFloat( this.array[ index * this.itemSize ] ); if ( this.normalized ) x = denormalize( x, this.array ); return x; } setX( index, x ) { if ( this.normalized ) x = normalize( x, this.array ); this.array[ index * this.itemSize ] = toHalfFloat( x ); return this; } getY( index ) { let y = fromHalfFloat( this.array[ index * this.itemSize + 1 ] ); if ( this.normalized ) y = denormalize( y, this.array ); return y; } setY( index, y ) { if ( this.normalized ) y = normalize( y, this.array ); this.array[ index * this.itemSize + 1 ] = toHalfFloat( y ); return this; } getZ( index ) { let z = fromHalfFloat( this.array[ index * this.itemSize + 2 ] ); if ( this.normalized ) z = denormalize( z, this.array ); return z; } setZ( index, z ) { if ( this.normalized ) z = normalize( z, this.array ); this.array[ index * this.itemSize + 2 ] = toHalfFloat( z ); return this; } getW( index ) { let w = fromHalfFloat( this.array[ index * this.itemSize + 3 ] ); if ( this.normalized ) w = denormalize( w, this.array ); return w; } setW( index, w ) { if ( this.normalized ) w = normalize( w, this.array ); this.array[ index * this.itemSize + 3 ] = toHalfFloat( w ); return this; } setXY( index, x, y ) { index *= this.itemSize; if ( this.normalized ) { x = normalize( x, this.array ); y = normalize( y, this.array ); } this.array[ index + 0 ] = toHalfFloat( x ); this.array[ index + 1 ] = toHalfFloat( y ); return this; } setXYZ( index, x, y, z ) { index *= this.itemSize; if ( this.normalized ) { x = normalize( x, this.array ); y = normalize( y, this.array ); z = normalize( z, this.array ); } this.array[ index + 0 ] = toHalfFloat( x ); this.array[ index + 1 ] = toHalfFloat( y ); this.array[ index + 2 ] = toHalfFloat( z ); return this; } setXYZW( index, x, y, z, w ) { index *= this.itemSize; if ( this.normalized ) { x = normalize( x, this.array ); y = normalize( y, this.array ); z = normalize( z, this.array ); w = normalize( w, this.array ); } this.array[ index + 0 ] = toHalfFloat( x ); this.array[ index + 1 ] = toHalfFloat( y ); this.array[ index + 2 ] = toHalfFloat( z ); this.array[ index + 3 ] = toHalfFloat( w ); return this; } } class Float32BufferAttribute extends BufferAttribute { constructor(