#version 330 core
layout (location = 0) in vec3 a_xyz;
layout (location = 1) in vec2 a_uv;
layout (location = 2) in vec3 a_normal;

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

out vec3 normal;
out vec3 frag_position;

void main() {
    vec4 a_xyz_vec4 = vec4(a_xyz, 1);

    frag_position = (model * a_xyz_vec4).xyz;
    normal = mat3(transpose(inverse(model))) * a_normal;
    gl_Position = projection * view * model * a_xyz_vec4;
}