mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-07-04 18:10:42 +02:00
149 lines
2.6 KiB
JavaScript
Executable File
149 lines
2.6 KiB
JavaScript
Executable File
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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setComponent: function ( index, value ) {
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this[ THREE.Vector3.__indexToName[ index ] ] = value;
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},
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getComponent: function ( index ) {
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return this[ THREE.Vector3.__indexToName[ index ] ];
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},
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setComponent2: function ( index, value ) {
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switch( index ) {
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case 0: this.x = value; break;
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case 1: this.y = value; break;
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case 2: this.z = value; break;
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default: throw new Error( "index is out of range: " + index );
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}
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},
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getComponent2: function ( index ) {
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switch( index ) {
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case 0: return this.x;
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case 1: return this.y;
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case 2: return this.z;
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default: throw new Error( "index is out of range: " + index );
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}
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},
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getComponent3: function ( index ) {
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if ( index === 0 ) return this.x;
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if ( index === 1 ) return this.y;
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if ( index === 2 ) return this.z;
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throw new Error( "index is out of range: " + index );
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},
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getComponent4: function ( index ) {
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if ( index === 0 ) return this.x;
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else if ( index === 1 ) return this.y;
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else if ( index === 2 ) return this.z;
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else throw new Error( "index is out of range: " + index );
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}
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};
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THREE.Vector3.__indexToName = {
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0: 'x',
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1: 'y',
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2: 'z'
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};
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var a = [];
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for ( var i = 0; i < 100000; i ++ ) {
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a[ i ] = new THREE.Vector3( i * 0.01, i * 2, i * -1.3 );
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}
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var suite = new Benchmark.Suite;
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suite.add('IndexToName', function() {
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var result = 0;
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for ( var i = 0; i < 100000; i ++ ) {
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result += a[i].getComponent( i % 3 );
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}
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});
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suite.add('SwitchStatement', function() {
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var result = 0;
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for ( var i = 0; i < 100000; i ++ ) {
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result += a[i].getComponent2( i % 3 );
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}
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});
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suite.add('IfAndReturnSeries', function() {
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var result = 0;
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for ( var i = 0; i < 100000; i ++ ) {
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result += a[i].getComponent3( i % 3 );
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}
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});
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suite.add('IfReturnElseSeries', function() {
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var result = 0;
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for ( var i = 0; i < 100000; i ++ ) {
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result += a[i].getComponent4( i % 3 );
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}
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});
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suite.on('cycle', function(event, bench) {
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console.log(String(event.target));
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});
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suite.on('complete', function() {
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console.log('Fastest is ' + this.filter('fastest').pluck('name'));
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console.log( "Done" );
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});
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suite.run(true); |