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