39 lines
818 B
C++
39 lines
818 B
C++
#pragma once
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#ifndef SPHERE_HPP
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#define SPHERE_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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class Sphere : public Figure {
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public:
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vec3 m_center;
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float m_radius;
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Sphere(Material * mat = NULL): Figure(mat), m_center(vec3(0.0f)), m_radius(0.5f) {
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calculate_inv_area();
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}
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Sphere(float x, float y, float z, float r, Material * mat = NULL): Figure(mat), m_center(vec3(x, y, z)), m_radius(r) {
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calculate_inv_area();
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}
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Sphere(vec3 _c, float r, Material * mat = NULL): Figure(mat), m_center(_c), m_radius(r) {
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calculate_inv_area();
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}
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virtual ~Sphere() { }
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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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private:
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virtual void calculate_inv_area();
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};
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#endif
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