#version 330 core

in vec4 v_normal;
in vec4 color;
in vec3 light_direction;
uniform int render_normals_bool;

out vec4 FragColor;

const float ambient_strenght = 0.3;
const float diffuse_strenght = 0.7;

void main() {
        float diff = max(dot(normalize(vec3(v_normal.x, v_normal.y, v_normal.z)), normalize(light_direction)), 0) * diffuse_strenght;
        if (render_normals_bool == 1) {
                FragColor = vec4(v_normal);
        }
        else {
                FragColor = color * (1 / 256.0) * (ambient_strenght + diff);
        }
}