Eryn Wells
4828cb313f
Write methods are polymorphic, overridden by subclasses. There is a single operator<< for Objects that calls the right Write() method for the object. Neat.
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/* object.h
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*
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* Declaration of abstract, top-level scene objects. The Object class is the top of this hierarchy. All other scene
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* objects are based on it. The Shape class defines a visible shape in the scene.
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*
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* Eryn Wells <eryn@erynwells.me>
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*/
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#ifndef __OBJECT_H__
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#define __OBJECT_H__
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#include <iostream>
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#include <memory>
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#include <vector>
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#include "basics.h"
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#include "material.h"
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#include "stats.hh"
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#include "texture.h"
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#include "types.hh"
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namespace charles {
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struct Object
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{
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typedef std::shared_ptr<Object> Ptr;
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Object();
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Object(Vector3 o);
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virtual ~Object();
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Vector3 GetOrigin() const;
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void SetOrigin(const Vector3& origin);
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Material& GetMaterial();
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void SetMaterial(const Material& material);
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/**
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* Determines if the given ray intersects with this object. All intersection
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* t values are returned in the `t` argument, in increasing order.
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*
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* @param [in] ray The ray to test for intersection
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* @param [out] t A vector of all intersection t values
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* @return `true` if the ray intersects with this object
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*/
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virtual bool DoesIntersect(const Ray& ray, TVector& t, Stats& stats) const = 0;
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virtual bool point_is_on_surface(const Vector3 &p) const = 0;
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virtual Vector3 compute_normal(const Vector3 &p) const = 0;
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virtual void Write(std::ostream& ost) const;
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private:
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/** The location of this object. */
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Vector3 mOrigin;
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/** This object's material, surface properties, etc. */
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Material mMaterial;
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};
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/**
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* Write a string representation of the Object to an output stream.
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*
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* @param [in] ost The output stream
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* @param [in] object The object
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* @returns The output stream
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*/
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std::ostream& operator<<(std::ostream& ost, const Object& object);
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} /* namespace charles */
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#endif
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