53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
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// File: crn_ray.h
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// See Copyright Notice and license at the end of inc/crnlib.h
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#pragma once
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#include "crn_vec.h"
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namespace crnlib
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{
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template<typename vector_type>
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class ray
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{
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public:
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typedef vector_type vector_t;
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typedef typename vector_type::scalar_type scalar_type;
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inline ray() { }
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inline ray(eClear) { clear(); }
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inline ray(const vector_type& origin, const vector_type& direction) : m_origin(origin), m_direction(direction) { }
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inline void clear()
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{
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m_origin.clear();
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m_direction.clear();
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}
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inline const vector_type& get_origin(void) const { return m_origin; }
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inline void set_origin(const vector_type& origin) { m_origin = origin; }
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inline const vector_type& get_direction(void) const { return m_direction; }
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inline void set_direction(const vector_type& direction) { m_direction = direction; }
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inline scalar_type set_endpoints(const vector_type& start, const vector_type& end, const vector_type& def)
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{
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m_origin = start;
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m_direction = end - start;
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return m_direction.normalize(&def);
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}
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inline vector_type eval(scalar_type t) const
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{
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return m_origin + m_direction * t;
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}
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private:
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vector_type m_origin;
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vector_type m_direction;
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};
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typedef ray<vec2F> ray2F;
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typedef ray<vec3F> ray3F;
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} // namespace crnlib
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