javascript - Rotating two 3D images in sync using three.js -


i trying rotate 2 3d images simultaneously on mouse click event. images rotating there angular difference in rotation. i.e. images not getting rotated in sync.

i have used 2 functions reference three.js sample code. first function init() contains initialization details. have used trackballcontrols zooming effect.

function init() {     document.getelementbyid("image").addeventlistener( 'mouseup', ondocumentmousemove, false );     container = document.getelementbyid('image');     camera = new three.perspectivecamera( 100, screen_width / screen_height, 1, 100000);     camera.position.z = 700;      controls = new three.trackballcontrols( camera );     controls.rotatespeed = 1.0;     controls.zoomspeed = 1.2;     controls.panspeed = 0.8;     controls.nozoom = false;     controls.nopan = false;     controls.staticmoving = false;     controls.dynamicdampingfactor = 0.3;     controls.keys = [ 65, 83, 68 ];       controls.addeventlistener( 'change', render );      scene = new three.scene();      var ambient = new three.ambientlight( 0xffffff );     scene.add( ambient );      try {             webglrenderer = new three.webglrenderer();             webglrenderer.setsize( screen_width, screen_height );             webglrenderer.domelement.style.position = "relative";             container.appendchild( webglrenderer.domelement );     }catch (e) {}      var loader = new three.jsonloader();      var callbackleft = function ( geometry, materials ) {createscene( geometry, materials, -400, floor, 50, 105 )   };      var callbackright = function ( geometry, materials ){createsceneright( geometry, materials, 400, floor, 50, 105 ) };      loader.load( "../view3d/female02_slim.js", callbackleft );     loader.load( "../view3d/female02_slim.js", callbackright );  } function createscene( geometry, materials, x, y, z, b )  {     zmesh = new three.mesh( geometry, new three.meshfacematerial( materials ) );     zmesh.position.set( x, y, z );     zmesh.scale.set( 3, 3, 3 );     three.geometryutils.center( geometry );     scene.add( zmesh ); } function createsceneright( geometry, materials, x, y, z, b )  {     zmeshright = new three.mesh( geometry, new three.meshfacematerial( materials ) );     zmeshright.position.set( x, y, z );     zmeshright.scale.set( 3, 3, 3 );     three.geometryutils.center( geometry );     scene.add( zmeshright ); } function ondocumentmousemove(event)  {     mousex = ( windowhalfx -  event.clientx); } function animate()  {     requestanimationframe( animate );     controls.update();     render(); }  var prevmousex = 0; function render()  {     if(mousex > -300)         {             zmesh.rotation.y -= 0.8;             zmeshright.rotation.y -= 0.8;         }         else if(mousex < -300)         {             zmesh.rotation.y += 0.8;             zmeshright.rotation.y += 0.8;         }         else         {             zmesh.rotation.y += 0;             zmeshright.rotation.y -= 0.8;         }      webglrenderer.render( scene, camera ); }

please advise


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