Sphere.hh

#pragma once
 
#include "egg/math/Vector.hh"
 
namespace Kinoko::EGG {

struct Sphere3f {
    constexpr Sphere3f(const Vector3f &v, f32 r) : pos(v), radius(r) {}

    [[nodiscard]] constexpr bool isInsideOtherSphere(const Sphere3f &rhs) const {
        f32 radiusDiff = rhs.radius - radius;
        if (radiusDiff < 0.0f) {
            return false;
        }
 
        return rhs.pos.ps_sqDistance(this->pos) < radiusDiff * radiusDiff;
    }
 
    Vector3f pos;
    f32 radius;
};
 
} // namespace Kinoko::EGG