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Primitive.hpp
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Primitive.hpp
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// Termm--Fall 2020
#pragma once
#include <glm/glm.hpp>
#include "Common.hpp"
bool intersectSphere(
const glm::dvec4 ¢re, const double &radius,
const Ray &ray, double tMin, double tMax, HitInfo &hit);
bool intersectAABB(
const glm::dvec3 &minBounds, const glm::dvec3 &maxBounds,
const Ray &ray, double tMin, double tMax, HitInfo &hit);
class Primitive
{
public:
virtual ~Primitive() {}
virtual bool intersect(const Ray &ray, double tMin, double tMax, HitInfo &hit) = 0;
};
class Sphere : public Primitive
{
public:
virtual ~Sphere() {}
bool intersect(const Ray &ray, double tMin, double tMax, HitInfo &hit) override;
};
class Cube : public Primitive
{
public:
virtual ~Cube() {}
bool intersect(const Ray &ray, double tMin, double tMax, HitInfo &hit) override;
};
class NonhierSphere : public Primitive
{
public:
NonhierSphere(const glm::vec3 &pos, double radius)
: m_pos(pos), m_radius(radius)
{
}
virtual ~NonhierSphere() {}
bool intersect(const Ray &ray, double tMin, double tMax, HitInfo &hit) override;
private:
glm::vec3 m_pos;
double m_radius;
};
class NonhierBox : public Primitive
{
public:
NonhierBox(const glm::vec3 &pos, double size)
: m_pos(pos), m_size(size)
{
}
virtual ~NonhierBox() {}
bool intersect(const Ray &ray, double tMin, double tMax, HitInfo &hit) override;
private:
glm::vec3 m_pos;
double m_size;
};