1 /**
2  * Mandelbulber v2, a 3D fractal generator       ,=#MKNmMMKmmßMNWy,
3  *                                             ,B" ]L,,p%%%,,,§;, "K
4  * Copyright (C) 2014-21 Mandelbulber Team     §R-==%w["'~5]m%=L.=~5N
5  *                                        ,=mm=§M ]=4 yJKA"/-Nsaj  "Bw,==,,
6  * This file is part of Mandelbulber.    §R.r= jw",M  Km .mM  FW ",§=ß., ,TN
7  *                                     ,4R =%["w[N=7]J '"5=],""]]M,w,-; T=]M
8  * Mandelbulber is free software:     §R.ß~-Q/M=,=5"v"]=Qf,'§"M= =,M.§ Rz]M"Kw
9  * you can redistribute it and/or     §w "xDY.J ' -"m=====WeC=\ ""%""y=%"]"" §
10  * modify it under the terms of the    "§M=M =D=4"N #"%==A%p M§ M6  R' #"=~.4M
11  * GNU General Public License as        §W =, ][T"]C  §  § '§ e===~ U  !§[Z ]N
12  * published by the                    4M",,Jm=,"=e~  §  §  j]]""N  BmM"py=ßM
13  * Free Software Foundation,          ]§ T,M=& 'YmMMpM9MMM%=w=,,=MT]M m§;'§,
14  * either version 3 of the License,    TWw [.j"5=~N[=§%=%W,T ]R,"=="Y[LFT ]N
15  * or (at your option)                   TW=,-#"%=;[  =Q:["V""  ],,M.m == ]N
16  * any later version.                      J§"mr"] ,=,," =="""J]= M"M"]==ß"
17  *                                          §= "=C=4 §"eM "=B:m|4"]#F,§~
18  * Mandelbulber is distributed in            "9w=,,]w em%wJ '"~" ,=,,ß"
19  * the hope that it will be useful,                 . "K=  ,=RMMMßM"""
20  * but WITHOUT ANY WARRANTY;                            .'''
21  * without even the implied warranty
22  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
23  *
24  * See the GNU General Public License for more details.
25  * You should have received a copy of the GNU General Public License
26  * along with Mandelbulber. If not, see <http://www.gnu.org/licenses/>.
27  *
28  * ###########################################################################
29  *
30  * Authors: Krzysztof Marczak (buddhi1980@gmail.com)
31  *
32  * cCameraTarget class - manipulation of camera and target coordinates and rotation
33  */
34 
35 #ifndef MANDELBULBER2_SRC_CAMERA_TARGET_HPP_
36 #define MANDELBULBER2_SRC_CAMERA_TARGET_HPP_
37 
38 #include "algebra.hpp"
39 
40 class cCameraTarget
41 {
42 public:
43 	enum enumRotationMode
44 	{
45 		constantRoll,
46 		constantTop
47 	};
48 
49 	cCameraTarget();
50 	cCameraTarget(CVector3 _camera, CVector3 _target, CVector3 _top);
51 	void SetCameraTargetRotation(CVector3 _camera, CVector3 _target, double roll);
52 	void SetCameraTargetTop(CVector3 _camera, CVector3 _target, CVector3 _top);
53 	void SetCamera(CVector3 _camera, enumRotationMode mode);
54 	void SetTarget(CVector3 _target, enumRotationMode mode);
GetCamera() const55 	CVector3 GetCamera() const { return camera; }
GetTarget() const56 	CVector3 GetTarget() const { return target; }
GetRotation() const57 	CVector3 GetRotation() const { return CVector3(yaw, pitch, roll); }
GetForwardVector() const58 	CVector3 GetForwardVector() const { return forwardVector; }
GetTopVector() const59 	CVector3 GetTopVector() const { return topVector; }
GetRightVector() const60 	CVector3 GetRightVector() const { return rightVector; }
GetDistance() const61 	double GetDistance() const { return distance; }
CorrectAngle(double angle)62 	static double CorrectAngle(double angle) { return fmod(angle + 3 * M_PI, 2 * M_PI) - M_PI; }
63 
64 private:
65 	CVector3 camera;
66 	CVector3 target;
67 
68 	double yaw;
69 	double pitch;
70 	double roll;
71 	double distance;
72 	CVector3 forwardVector;
73 	CVector3 topVector;
74 	CVector3 rightVector;
75 
76 	// probably should be implemented vector which will indicate actual top direction!
77 };
78 
79 #endif /* MANDELBULBER2_SRC_CAMERA_TARGET_HPP_ */
80