#version 330 core
layout (location = 0) in vec3 aPos;
layout (location = 1) in vec3 aNormal;

out vec3 FragPos;
out vec3 Normal;

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

void main() {
  /* Pass position and normal vectors to the fragment shader in world space. */
  FragPos = vec3(model * vec4(aPos, 1.0));
  Normal  = mat3(transpose(inverse(model))) * aNormal;

  gl_Position = projection * view * vec4(FragPos, 1.0);
}