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have problem when use scene.registerBeforeRender in importmesh


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           BABYLON.SceneLoader.ImportMesh("", "model/", "weixin.babylon", scene, function (newMeshes, particleSystems, skeletons) {

                var alpha = 0;
                scene.registerBeforeRender( function () {

                    for (i = 0; i < 60; i++) {
                        newMeshes[i].position = new BABYLON.Vector3(newMeshes[i].position.x + 10 * 
                            newMeshes[i].position.y + 0,
                            newMeshes[i].position.z + 10 * Math.cos(alpha));
                    alpha += 0.01;


here is  my code  why  it show "Cannot read property 'position' of undefined"

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Hi Lousha, welcome to the forum.  Could you please insert this line after the importMesh...


Then RUN and check JS console.

We want to make sure that there are, at least... 60 mesh inside the newMeshes array.  (thx for check)

Another possible test... console.log(newMeshes[59])... this should NOT report undefined, of course.

Talk again soon.

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