#version 330 core
out vec4 FragColor;

in vec3 FragPos;
in vec3 Normal;

uniform vec3 objectColor;

// Function to map normal vector components from [-1, 1] to [0, 1]
vec3 NormalizeNormalToColor(vec3 normal)
{
    return normal * 0.5 + 0.5;
}

void main()
{
    // Option 1: Visualize normals as colors
    vec3 colorFromNormal = NormalizeNormalToColor(normalize(Normal));
    
    // Option 2: Combine with object color
    // vec3 color = objectColor * colorFromNormal;
    
    // Choose either option based on your preference
    FragColor = vec4(colorFromNormal, 1.0);
}