plane3.h

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// Copyright (c) 2018 Doyub Kim
//
// I am making my contributions/submissions to this project solely in my
// personal capacity and am not conveying any rights to any intellectual
// property of any third parties.
 
#ifndef INCLUDE_JET_PLANE3_H_
#define INCLUDE_JET_PLANE3_H_
 
#include <jet/surface3.h>
 
namespace jet {
 
class Plane3 final : public Surface3 {
 public:
    class Builder;
 
    Vector3D normal = Vector3D(0, 1, 0);
 
    Vector3D point;
 
    Plane3(
        const Transform3& transform = Transform3(),
        bool isNormalFlipped = false);
 
    Plane3(
        const Vector3D& normal,
        const Vector3D& point,
        const Transform3& transform = Transform3(),
        bool isNormalFlipped = false);
 
    Plane3(
        const Vector3D& point0,
        const Vector3D& point1,
        const Vector3D& point2,
        const Transform3& transform = Transform3(),
        bool isNormalFlipped = false);
 
    Plane3(const Plane3& other);
 
    bool isBounded() const override;
 
    static Builder builder();
 
 protected:
    Vector3D closestPointLocal(const Vector3D& otherPoint) const override;
 
    bool intersectsLocal(const Ray3D& ray) const override;
 
    BoundingBox3D boundingBoxLocal() const override;
 
    Vector3D closestNormalLocal(const Vector3D& otherPoint) const override;
 
    SurfaceRayIntersection3 closestIntersectionLocal(
        const Ray3D& ray) const override;
};
 
typedef std::shared_ptr<Plane3> Plane3Ptr;
 
 
class Plane3::Builder final : public SurfaceBuilderBase3<Plane3::Builder> {
 public:
    Builder& withNormal(const Vector3D& normal);
 
    Builder& withPoint(const Vector3D& point);
 
    Plane3 build() const;
 
    Plane3Ptr makeShared() const;
 
 private:
    Vector3D _normal{0, 1, 0};
    Vector3D _point{0, 0, 0};
};
 
}  // namespace jet
 
#endif  // INCLUDE_JET_PLANE3_H_