92 lines
4.0 KiB
C
92 lines
4.0 KiB
C
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/****************************************************************************
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* Copyright (C) 2009 Daniel Chappuis *
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****************************************************************************
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* This file is part of ReactPhysics3D. *
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* *
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* ReactPhysics3D is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* ReactPhysics3D is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with ReactPhysics3D. If not, see <http://www.gnu.org/licenses/>. *
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***************************************************************************/
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#ifndef CAMERA_H
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#define CAMERA_H
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// Libraries
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#include "../reactphysics3d/reactphysics3d.h" // We want the mathematics stuff of reactphysics3d
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// Namespaces
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using namespace reactphysics3d;
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// Class Camera (abstract class)
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// In the project we will use two different camera. This is the superclass of the two
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// cameras. We will use a OutSideCamera that move arround the scene and an OnBoardCamera
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// that will simulate the deplacement of a viewer inside the scene
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class Camera {
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protected :
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Vector3D position; // Position of the camera
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Vector3D lookAtPoint; // Point where the camera is looking
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Vector3D viewVector; // Vector from the camera position to the view point
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static double speed; // Speed movement of the camera
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public :
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Camera(); // Constructor
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Camera(const Camera& camera); // Copy-constructor
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virtual ~Camera(); // Destructor
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virtual Vector3D getPosition() const; // Get the position of the camera
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virtual void setPosition(const Vector3D& pos); // Set the position of the camera
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virtual Vector3D getLookAtPoint() const; // Return the point where the camera is looking
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virtual Vector3D getViewVector() const; // Return the view vector of the camera
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virtual void updateViewVector()=0; // Update the view vector of the camera
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static void increaseSpeed(); // Increase the speed of camera movement
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static void decreaseSpeed(); // Decrease the speed of camera movement
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};
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// Get the position of the camera (inline function)
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inline Vector3D Camera::getPosition() const {
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// Return the position of the camera
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return position;
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}
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// Set the position of the camera (inline function)
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inline void Camera::setPosition(const Vector3D& pos) {
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// Set the position of the camera
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position = pos;
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}
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// Return the point where the camera is looking (inline function)
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inline Vector3D Camera::getLookAtPoint() const {
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return lookAtPoint;
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}
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// Return the view vector of the camera (inline function)
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inline Vector3D Camera::getViewVector() const {
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return viewVector;
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}
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// Increase the speed movement of the camera (inline function)
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inline void Camera::increaseSpeed()
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{
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speed= speed+0.05;
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if(speed>1)
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speed=1;
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}
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// Decrease the speep movement of the camera (inline function)
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inline void Camera::decreaseSpeed()
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{
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speed = speed-0.05;
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if(speed<=0)
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speed=0.005;
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}
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#endif
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