h4570
78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
/*
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# ______ ____ ___
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# | \/ ____| |___|
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# | | | \ | |
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#-----------------------------------------------------------------------
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# Copyright 2022-2022, tyra - https://github.com/h4570/tyra
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# Licenced under Apache License 2.0
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# Wellington Carvalho <wellcoj@gmail.com>
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*/
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#include "math/vec4.hpp"
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#pragma once
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namespace Tyra {
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/**
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* Class for raycasting.
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*/
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class Ray {
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public:
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/** @brief Constructor create a ampty ray */
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Ray();
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/**
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* @param origin The origin of the ray
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* @param direction The direction of the ray (normalized Vec4)
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*/
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Ray(const Vec4& origin, const Vec4& direction);
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~Ray();
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// Methods
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/**
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* @param origin Vec4 starting point of the ray;
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* @param direction Vec4 normalized vector pointing to direction;
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*/
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void set(const Vec4& origin, const Vec4& direction);
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/**
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* @brief Set origin of the ray;
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* @param origin Vec4 starting point of the ray;
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*/
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void setOrigin(const Vec4& origin);
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/**
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* @brief Set direction of the ray;
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* @param direction Vec4 normalized vector pointing to direction;
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*/
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void setDirection(const Vec4& direction);
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/**
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* @return Vec4 that is a given distance along this Ray
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* @param t - the distance along the Ray to retrieve a position for.
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*/
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Vec4 at(const float& t);
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/** @return Distance from the Vec4 point to the origin */
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float distanceToPoint(const Vec4& point);
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/**
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* @param minCorner - pointer to min corner position. (bottom left)
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* @param maxCorner - pointer to max corner position. (top right)
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* @param distance - the box to intersect with.
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* @return Vec4 point of intersection
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*/
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u8 intersectBox(const Vec4& minCorner, const Vec4& maxCorner,
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float& distance);
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/** Returns inverse direction */
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const Vec4 invDir();
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private:
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Vec4 _origin;
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Vec4 _direction;
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};
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} // namespace Tyra
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