varying vec3 normal, lightDir;
varying vec2 texCoord;
uniform sampler2D texture;

void main()
{
        float intensity;
        vec3 n;
        vec4 _color;

        n = normalize(normal);
        intensity = dot(lightDir, n);

        if (intensity > 0.98)
                _color = vec4(1.0,1.0,1.0,1.0);
        else if (intensity > 0.5)
                _color = vec4(0.8,0.8,0.8,1.0);
        else if (intensity > 0.35)
                _color = vec4(0.4,0.4,0.4,1.0);
        else if (intensity > 0)
                _color = vec4(0.0,0.0,0.0,1.0); 
		else _color = texture2D(texture, texCoord);   
		
        gl_FragColor = _color;  

}