Irrlicht Engine

this is my code

the effect is so good,
but when the node moved is error,
why? please help me.
///////////////////////////////////////////////////////////////////////////////////
IAnimatedMesh* mesh = smgr->getMesh("body.b3d");
IAnimatedMeshSceneNode* snode = smgr->addAnimatedMeshSceneNode( mesh ...

thanks
I am not change the ambient light,
I use the irrlicht example code “09.Meshviewer” load the mesh
in 1.4.2 is right
in 1.7.2 is error

I wish i knew... very good news!

http://i38.tinypic.com/w0j0jl.jpg

Not only i have ended a good looking phong shader, also, i've added it fresnel reflections! ^^

After taking a peek to blindside's shaders, i found some very interesting information, and a trick i didn't know. x and y components ...

In 1.4.2 the color is right,but in 1.7.2 color is error
please help me
my code

IAnimatedMesh* mesh = smgr->getMesh("body.b3d");
if (!mesh)
{
device->drop();
return 1;
}
IAnimatedMeshSceneNode* node = smgr->addAnimatedMeshSceneNode( mesh );

if (node)
{
node->setMaterialFlag(EMF_LIGHTING ...

who can help me

car paint glsl error
material is gone ,is black
this is my shader coder
the shader is copy from "Dual Tone Car Shader With Fresnel And Sphere Mapping By Omaremad "

//Vertex shader

uniform vec3 fvLightPosition;
uniform vec3 fvEyePosition;

varying vec2 Texcoord;
varying vec3 ViewDirection ...