#version 330 core

layout (location = 0) in vec3 position;
layout (location = 1) in vec3 normal;
layout (location = 2) in vec2 tex_coords;

out VS_OUT {
    vec3 position;
    vec3 normal;
    vec2 tex_coords;
} vs_out;

uniform mat4 projection;
uniform mat4 view;
uniform mat4 model;

void main()
{
    vs_out.position = vec3(model * vec4(position, 1.0));
    mat3 normal_matrix = transpose(inverse(mat3(model)));
    vs_out.normal = normalize(normal_matrix * normal);
    vs_out.tex_coords = tex_coords;
    gl_Position = projection * view * model * vec4(position, 1.0);
}