Plane.hh

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

struct Plane3f {
    constexpr Plane3f() = default;

    constexpr Plane3f(const Vector3f &point, const Vector3f &normal) {
        set(point, normal);
    }

    constexpr ~Plane3f() = default;

    constexpr void set(const Vector3f &point, const Vector3f &normal) {
        n = normal;
        d = -(normal.dot(point));
    }

    [[nodiscard]] constexpr bool testPoint(const Vector3f &point) const {
        return d + n.dot(point) <= 0.0f;
    }
 
    Vector3f n; 
    f32 d;      
};
 
} // namespace Kinoko::EGG