You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

129 lines
2.0 KiB

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