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128 lines
2.0 KiB
128 lines
2.0 KiB
( function () {
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THREE = {};
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THREE.Vector3 = function ( x, y, z ) {
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this.x = x || 0;
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this.y = y || 0;
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this.z = z || 0;
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};
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THREE.Vector3.prototype = {
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constructor: THREE.Vector3,
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length: function () {
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return Math.sqrt( this.x * this.x + this.y * this.y + this.z * this.z );
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}
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};
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THREE.Vector3X = function ( x, y, z ) {
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var elements = this.elements = new Float32Array( 3 );
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elements[ 0 ] = x || 0;
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elements[ 1 ] = y || 1;
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elements[ 2 ] = z || 2;
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};
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THREE.Vector3X.prototype = {
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constructor: THREE.Vector3X,
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length: function () {
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return Math.sqrt( this.elements[ 0 ] * this.elements[ 0 ] + this.elements[ 1 ] * this.elements[ 1 ] + this.elements[ 2 ] * this.elements[ 2 ] );
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}
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};
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THREE.Vector3Y = function ( x, y, z ) {
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this.elements = [ x || 0, y || 1, z || 2 ];
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};
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THREE.Vector3Y.prototype = {
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constructor: THREE.Vector3Y,
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length: function () {
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return Math.sqrt( this.elements[ 0 ] * this.elements[ 0 ] + this.elements[ 1 ] * this.elements[ 1 ] + this.elements[ 2 ] * this.elements[ 2 ] );
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}
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};
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var suite = Bench.newSuite( 'Vector 3 Storage' );
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suite.add( 'Vector3-Set', function () {
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var array = [];
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for ( var i = 0; i < 100000; i ++ ) {
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var v = new THREE.Vector3( i, i, i );
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array.push( v );
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}
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var result = 0;
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for ( var i = 0; i < 100000; i ++ ) {
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var v = array[ i ];
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result += v.length();
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}
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} );
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suite.add( 'Vector3-Float32Array', function () {
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var array = [];
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for ( var i = 0; i < 100000; i ++ ) {
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var v = new THREE.Vector3X( i, i, i );
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array.push( v );
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}
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var result = 0;
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for ( var i = 0; i < 100000; i ++ ) {
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var v = array[ i ];
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result += v.length();
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}
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} );
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suite.add( 'Vector3-Array', function () {
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var array = [];
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for ( var i = 0; i < 100000; i ++ ) {
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var v = new THREE.Vector3Y( i, i, i );
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array.push( v );
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}
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var result = 0;
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for ( var i = 0; i < 100000; i ++ ) {
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var v = array[ i ];
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result += v.length();
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}
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} );
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} )();
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