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( function () {
var s = Bench.newSuite( 'Vector 3 Components' );
THREE = {};
THREE.Vector3 = function ( x, y, z ) {
this.x = x || 0;
this.y = y || 0;
this.z = z || 0;
};
THREE.Vector3.prototype = {
constructor: THREE.Vector3,
setComponent: function ( index, value ) {
this[ THREE.Vector3.__indexToName[ index ] ] = value;
},
getComponent: function ( index ) {
return this[ THREE.Vector3.__indexToName[ index ] ];
},
setComponent2: function ( index, value ) {
switch ( index ) {
case 0:
this.x = value;
break;
case 1:
this.y = value;
break;
case 2:
this.z = value;
break;
default:
throw new Error( 'index is out of range: ' + index );
}
},
getComponent2: function ( index ) {
switch ( index ) {
case 0:
return this.x;
case 1:
return this.y;
case 2:
return this.z;
default:
throw new Error( 'index is out of range: ' + index );
}
},
getComponent3: function ( index ) {
if ( index === 0 ) return this.x;
if ( index === 1 ) return this.y;
if ( index === 2 ) return this.z;
throw new Error( 'index is out of range: ' + index );
},
getComponent4: function ( index ) {
if ( index === 0 ) return this.x; else if ( index === 1 ) return this.y; else if ( index === 2 ) return this.z;
else
throw new Error( 'index is out of range: ' + index );
}
};
THREE.Vector3.__indexToName = {
0: 'x',
1: 'y',
2: 'z'
};
var a = [];
for ( var i = 0; i < 100000; i ++ ) {
a[ i ] = new THREE.Vector3( i * 0.01, i * 2, i * - 1.3 );
}
s.add( 'IndexToName', function () {
var result = 0;
for ( var i = 0; i < 100000; i ++ ) {
result += a[ i ].getComponent( i % 3 );
}
} );
s.add( 'SwitchStatement', function () {
var result = 0;
for ( var i = 0; i < 100000; i ++ ) {
result += a[ i ].getComponent2( i % 3 );
}
} );
s.add( 'IfAndReturnSeries', function () {
var result = 0;
for ( var i = 0; i < 100000; i ++ ) {
result += a[ i ].getComponent3( i % 3 );
}
} );
s.add( 'IfReturnElseSeries', function () {
var result = 0;
for ( var i = 0; i < 100000; i ++ ) {
result += a[ i ].getComponent4( i % 3 );
}
} );
} )();