#version 330 core

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

uniform mat4 mMat;
uniform mat4 vpMat;
uniform vec3 camPos;


out vec3 fragNorm;
out vec3 fragPos;

void main() {

    vec4 worldPos =   (mMat * vec4(position, 1));
    fragPos = worldPos.xyz;

    vec3 worldNormal =  mat3(transpose(inverse(mMat))) * normal;
    fragNorm = worldNormal.xyz;

    gl_Position = vpMat * worldPos;
}