3d - Three.js morphAnimMesh animation doesn't update -

recently i've spent time digging three.js. created 3d model in blender , import three.js. works fine, data inside morphanimmesh currentkeyframe , lastkeyframe both updating, doesn't render animation, static 3d object. can give me help? thanks.

this url of work: http://www.dustedge.com/mathspace/three_test2.html

all codes here:

var scene = new three.scene(); var camera = new three.perspectivecamera(75, window.innerwidth/window.innerheight, 0.1, 1000); var histlookvector = new three.vector3(1,1,1); var currentlookvector = new three.vector3(1,1,1); var xaxis = new three.vector3(1,0,0); var yaxis = new three.vector3(0,1,1); var renderer = new three.webglrenderer(); var mesh; var time; var oldtime; var delta; renderer.setsize(window.innerwidth, window.innerheight); document.body.appendchild(renderer.domelement);  camera.position.x = -20; camera.position.y = 20; camera.position.z = 20; camera.lookat(currentlookvector); var x=0; var loader = new three.jsonloader(); loader.load( "nets.js", creategeometry  ); function creategeometry(model){     var material = new three.meshnormalmaterial({morphtargets:true});      mesh = new three.morphanimmesh(model, material);     mesh.scale.x = mesh.scale.y = mesh.scale.z = 4;     mesh.position.x = 10;     mesh.time = 0;     mesh.duration = 2000;      oldtime = time = new date().gettime();     scene.add(mesh);     render(); }  function render() {     requestanimationframe(render);     time= new date().gettime();     delta= time-oldtime;     oldtime=time;       if(mesh){         mesh.updateanimation(delta);         //console.log('current: ' + geometry.currentkeyframe);     }      renderer.render(scene, camera); }