source: other-projects/playing-in-the-street/summer-2013/trunk/Playing-in-the-Street-WPF/Content/Web/mrdoob-three.js-4862f5f/src/extras/SceneUtils.js@ 28897

/**
 * @author alteredq / http://alteredqualia.com/
 */

THREE.SceneUtils = {

    createMultiMaterialObject: function ( geometry, materials ) {

        var group = new THREE.Object3D();

        for ( var i = 0, l = materials.length; i < l; i ++ ) {

            group.add( new THREE.Mesh( geometry, materials[ i ] ) );

        }

        return group;

    },

    detach : function ( child, parent, scene ) {

        child.applyMatrix( parent.matrixWorld );
        parent.remove( child );
        scene.add( child );

    },

    attach: function ( child, scene, parent ) {

        var matrixWorldInverse = new THREE.Matrix4();
        matrixWorldInverse.getInverse( parent.matrixWorld );
        child.applyMatrix( matrixWorldInverse );

        scene.remove( child );
        parent.add( child );

    }

};