#version 330 core
layout(location = 0) in vec3 aPos;
layout(location = 1) in vec3 aNormal;
layout(location = 2) in vec2 aTexCoord;

out vec3 FragPos;
out vec2 TexCoords;
out vec3 Normal;

uniform bool invertedNormals;

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

void main(){
	vec4 viewPos = view * model * vec4(aPos, 1.0);
	FragPos = viewPos.xyz;
	TexCoords = aTexCoords;

	mat3 normalMatrix = transpose(inverse(mat3(view * model)));
	Normal = normalMatrix * (invertedNormals ? -aNormal : aNormal);

	gl_Position = projection * viewPos;
}