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- import { _Math } from '../math/Math';
- /**
- * @author benaadams / https://twitter.com/ben_a_adams
- */
- function InterleavedBufferAttribute( interleavedBuffer, itemSize, offset, normalized ) {
- this.uuid = _Math.generateUUID();
- this.data = interleavedBuffer;
- this.itemSize = itemSize;
- this.offset = offset;
- this.normalized = normalized === true;
- }
- Object.defineProperties( InterleavedBufferAttribute.prototype, {
- count: {
- get: function () {
- return this.data.count;
- }
- },
- array: {
- get: function () {
- return this.data.array;
- }
- }
- } );
- Object.assign( InterleavedBufferAttribute.prototype, {
- isInterleavedBufferAttribute: true,
- setX: function ( index, x ) {
- this.data.array[ index * this.data.stride + this.offset ] = x;
- return this;
- },
- setY: function ( index, y ) {
- this.data.array[ index * this.data.stride + this.offset + 1 ] = y;
- return this;
- },
- setZ: function ( index, z ) {
- this.data.array[ index * this.data.stride + this.offset + 2 ] = z;
- return this;
- },
- setW: function ( index, w ) {
- this.data.array[ index * this.data.stride + this.offset + 3 ] = w;
- return this;
- },
- getX: function ( index ) {
- return this.data.array[ index * this.data.stride + this.offset ];
- },
- getY: function ( index ) {
- return this.data.array[ index * this.data.stride + this.offset + 1 ];
- },
- getZ: function ( index ) {
- return this.data.array[ index * this.data.stride + this.offset + 2 ];
- },
- getW: function ( index ) {
- return this.data.array[ index * this.data.stride + this.offset + 3 ];
- },
- setXY: function ( index, x, y ) {
- index = index * this.data.stride + this.offset;
- this.data.array[ index + 0 ] = x;
- this.data.array[ index + 1 ] = y;
- return this;
- },
- setXYZ: function ( index, x, y, z ) {
- index = index * this.data.stride + this.offset;
- this.data.array[ index + 0 ] = x;
- this.data.array[ index + 1 ] = y;
- this.data.array[ index + 2 ] = z;
- return this;
- },
- setXYZW: function ( index, x, y, z, w ) {
- index = index * this.data.stride + this.offset;
- this.data.array[ index + 0 ] = x;
- this.data.array[ index + 1 ] = y;
- this.data.array[ index + 2 ] = z;
- this.data.array[ index + 3 ] = w;
- return this;
- }
- } );
- export { InterleavedBufferAttribute };
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