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| function InterleavedBuffer( array, stride ) { |
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| this.array = array; |
| this.stride = stride; |
| this.count = array !== undefined ? array.length / stride : 0; |
|
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| this.dynamic = false; |
| this.updateRange = { offset: 0, count: - 1 }; |
|
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| this.version = 0; |
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| } |
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| Object.defineProperty( InterleavedBuffer.prototype, 'needsUpdate', { |
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| set: function ( value ) { |
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| if ( value === true ) this.version ++; |
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| } |
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| } ); |
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| Object.assign( InterleavedBuffer.prototype, { |
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| isInterleavedBuffer: true, |
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| onUploadCallback: function () {}, |
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| setArray: function ( array ) { |
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| if ( Array.isArray( array ) ) { |
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| throw new TypeError( 'THREE.BufferAttribute: array should be a Typed Array.' ); |
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| } |
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| this.count = array !== undefined ? array.length / this.stride : 0; |
| this.array = array; |
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| return this; |
|
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| }, |
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| setDynamic: function ( value ) { |
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| this.dynamic = value; |
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| return this; |
|
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| }, |
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| copy: function ( source ) { |
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| this.array = new source.array.constructor( source.array ); |
| this.count = source.count; |
| this.stride = source.stride; |
| this.dynamic = source.dynamic; |
|
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| return this; |
|
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| }, |
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| copyAt: function ( index1, attribute, index2 ) { |
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| index1 *= this.stride; |
| index2 *= attribute.stride; |
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| for ( var i = 0, l = this.stride; i < l; i ++ ) { |
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| this.array[ index1 + i ] = attribute.array[ index2 + i ]; |
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| } |
|
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| return this; |
|
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| }, |
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| set: function ( value, offset ) { |
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| if ( offset === undefined ) offset = 0; |
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| this.array.set( value, offset ); |
|
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| return this; |
|
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| }, |
|
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| clone: function () { |
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| return new this.constructor().copy( this ); |
|
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| }, |
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| onUpload: function ( callback ) { |
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| this.onUploadCallback = callback; |
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| return this; |
|
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| } |
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| } ); |
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| export { InterleavedBuffer }; |
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|
