BoundingSphere.h

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#pragma once

#include "Core/BoundingObjects/AABB.h"

namespace MxEngine
{
    class BoundingSphere
    {
        float radius;
    public:
        Vector3 Center;

        constexpr BoundingSphere(const Vector3& center, float r)
            : radius(Max(0.0f, r)), Center(center) { }

        constexpr float GetRedius() const { return radius; }
        constexpr void SetRadius(float r) { this->radius = Max(0.0f, r); }
    };

    // TODO: sphere must be created more precisely, as it is almost always less in size than AABB

    inline constexpr BoundingSphere ToSphere(const AABB& box)
    {
        auto center = box.GetCenter();
        auto length = box.Length();
        float radius = Max(length.x, length.y, length.z) * 0.5f;
        return BoundingSphere(center, radius);
    }
}