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author53hornet <53hornet@gmail.com>2019-02-02 23:33:15 -0500
committer53hornet <53hornet@gmail.com>2019-02-02 23:33:15 -0500
commitdb072ad4dc181eca5a1458656b130beb43f475bf (patch)
treea3c03c7f5497cb70503e2486662fa85cfb53415a /hw2/include/camera.h
downloadcsci427-db072ad4dc181eca5a1458656b130beb43f475bf.tar.xz
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+/******************************************************************/
+/* This file is part of the homework assignments for CSCI-427/527 */
+/* at The College of William & Mary and authored by Pieter Peers. */
+/* No part of this file, whether altered or in original form, can */
+/* be distributed or used outside the context of CSCI-427/527 */
+/* without consent of either the College of William & Mary or */
+/* Pieter Peers. */
+/******************************************************************/
+#ifndef _CAMERA_H_
+#define _CAMERA_H_
+
+#include <ostream>
+
+#include "ray.h"
+#include "vec2d.h"
+#include "boundingBox.h"
+
+/**************************************************************/
+/* Note: Field of View (fov) is expressed in degrees, and */
+/* represents the angular spread in the horizontal direction. */
+/**************************************************************/
+class camera {
+ public:
+ /////////////////
+ // Constructor //
+ /////////////////
+ camera(void);
+ camera(const vec3d& eye, const vec3d& viewDirection, const vec3d& up, float fov, size_t xres, size_t yres);
+ camera(const camera& cam);
+
+ ///////////////
+ // Operators //
+ ///////////////
+ camera& operator=(const camera& cam);
+
+ ray operator()(float x, float y) const;
+
+ ////////////////
+ // Inspectors //
+ ////////////////
+ size_t width(void) const { return _width; }
+ size_t height(void) const { return _height; }
+
+ //////////////
+ // Mutators //
+ //////////////
+ void frameBoundingBox(const boundingBox& bb);
+
+ /////////////
+ // Friends //
+ /////////////
+ friend void swap(camera& a, camera& b) { a._swap(b); }
+ friend std::ostream& operator<<(std::ostream& s, const camera& cam)
+ {
+ s << "Camera: {";
+ s << "eye=" << cam._eye << ", ";
+ s << "view=" << cam._view << ", ";
+ s << "up=" << cam._up << "}, ";
+ s << "fov=" << cam._fov << ", ";
+ s << "resolution=[" << cam._width << "x" << cam._height << "]";
+ return s;
+ }
+
+ private:
+ /////////////////////
+ // Private Methods //
+ /////////////////////
+ void _swap(camera& cam);
+ void _assign(const camera& cam);
+
+ //////////////////
+ // Data Members //
+ //////////////////
+ vec3d _eye, _view, _up;
+ float _fov;
+ size_t _width, _height;
+};
+
+#endif /* _CAMERA_H_ */
+