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( function () {
THREE = Bench.THREE;
var position = new THREE.Vector3( 1, 1, 1 );
var scale = new THREE.Vector3( 2, 1, 0.5 );
var rotation = new THREE.Quaternion();
rotation.setFromAxisAngle( new THREE.Vector3( 0, 1, 0 ), Math.PI / 8 );
var createLocallyOffsetChild = function () {
var child = new THREE.Object3D();
child.position.copy( position );
child.scale.copy( scale );
child.rotation.copy( rotation );
return child;
};
var generateSceneGraph = function ( root, depth, breadth, initObject ) {
if ( depth > 0 ) {
for ( var i = 0; i < breadth; i ++ ) {
var child = initObject();
root.add( child );
generateSceneGraph( child, depth - 1, breadth, initObject );
}
}
return root;
};
var nodeCount = function ( root ) {
return root.children.reduce( function ( acc, x ) {
return acc + nodeCount( x );
}, 1 );
};
var rootA = generateSceneGraph( new THREE.Object3D(), 100, 1, createLocallyOffsetChild );
var rootB = generateSceneGraph( new THREE.Object3D(), 3, 10, createLocallyOffsetChild );
var rootC = generateSceneGraph( new THREE.Object3D(), 9, 3, createLocallyOffsetChild );
var s = Bench.newSuite( 'Update world transforms' );
s.add( 'Update graph depth=100, breadth=1 (' + nodeCount( rootA ) + ' nodes)', function () {
rootA.updateMatrixWorld( true );
} );
s.add( 'Update graph depth=3, breadth=10 (' + nodeCount( rootB ) + ' nodes)', function () {
rootB.updateMatrixWorld( true );
} );
s.add( 'Update graph depth=9, breadth=3 (' + nodeCount( rootC ) + ' nodes)', function () {
rootC.updateMatrixWorld( true );
} );
} )();