1 /*************************************************************************** 2 * 3 * Copyright 2010,2011 BMW Car IT GmbH 4 * 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 * 18 ****************************************************************************/ 19 #ifndef _CAMERA_H 20 #define _CAMERA_H 21 22 #include "IUpdateable.h" 23 #include "vec.h" 24 25 class Camera : public IUpdateable 26 { 27 public: 28 Camera(vec3f position, vec3f target, float viewportWidth, float viewportHeight); 29 virtual ~Camera(); 30 31 float* getViewProjectionMatrix(); 32 void update(int currentTimeInMs, int lastFrameTime); 33 34 private: 35 vec3f m_position; 36 vec3f m_target; 37 float m_viewProjectionMatrix[16]; 38 float m_translationMatrix[16]; 39 float m_projectionMatrix[16]; 40 float m_identityMatrix[16]; 41 42 //Parameters for projection matrix calculation 43 float m_fov; // field of view 44 float m_near; 45 float m_far; 46 float m_aspectRatio; 47 48 void calculateTranslationMatrix(); 49 void calculateProjectionMatrix(); 50 void calculateViewProjectionMatrix(); 51 52 }; 53 54 #endif /* _CAMERA_H */ 55