43 lines
894 B
C++
43 lines
894 B
C++
#pragma once
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#ifndef PLANE_HPP
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#define PLANE_HPP
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#include <glm/glm.hpp>
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#include "figure.hpp"
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using glm::vec3;
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using glm::normalize;
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class Plane : public Figure {
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public:
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vec3 m_point;
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vec3 m_normal;
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Plane(Material * mat = NULL): Figure(mat), m_point(vec3(0.0f)), m_normal(vec3(0.0f, 0.0f, 1.0f)) {
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calculate_inv_area();
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}
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Plane(float x, float y, float z, float nx, float ny, float nz, Material * mat = NULL):
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Figure(mat),
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m_point(vec3(x, y, z)),
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m_normal(normalize(vec3(nx, ny, nz)))
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{
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calculate_inv_area();
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}
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Plane(vec3 _p, vec3 _n, Material * mat = NULL): Figure(mat), m_point(_p), m_normal(normalize(_n)) { }
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virtual ~Plane() { }
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virtual bool intersect(Ray & r, float & t) const;
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virtual vec3 normal_at_int(Ray & r, float & t) const;
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virtual vec3 sample_at_surface() const;
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protected:
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virtual void calculate_inv_area();
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};
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#endif
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