Transform.h

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#pragma once
 
#ifndef RT_TRANSFORM_H_INCLUDED
#define RT_TRANSFORM_H_INCLUDED
 
#include "Direction.h"
#include "Matrix.h"
#include "Normal.h"
#include "Point.h"
#include "Ray.h"
 
class Transform {
 
public:
 
    Transform();
 
    Transform(const Transform& transform);
 
    ~Transform();
 
    Transform& operator=(const Transform& transform);
 
    Point apply(const Point& point) const;
 
    Direction apply(const Direction& direction) const;
    
    Normal apply(const Normal& normal) const;
 
    Ray apply(const Ray& ray) const;
 
    Point applyInverse(const Point& point) const;
    
    Direction applyInverse(const Direction& direction) const;
    
    Normal applyInverse(const Normal& normal) const;
    
    Ray applyInverse(const Ray& ray) const;
 
    void rotateX(double rx);
 
    void rotateY(double ry);
 
    void rotateZ(double rz);
 
    void scale(double s);
 
    void scale(double sx, double sy, double sz);
 
    void translate(double tx, double ty, double tz);
 
    void translate(const Direction& direction);
 
private:
 
    Matrix T_;    
    Matrix Tinv_; 
 
};
 
#endif