const geometry = new THREE.BoxGeometry( 1, 1, 1 );
const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
const cube = new THREE.Mesh( geometry, material );

AB.world.newRun = function() {
    ABWorld.renderer = new THREE.WebGLRenderer ( { antialias: true } );
    ABWorld.init3d(5, 5, 0xf0f0f0);
    ABWorld.scene.add(cube);
}

AB.world.nextStep = function() {
    cube.rotation.x += 0.05;
	cube.rotation.y += 0.05;
}