eic-opticks/CSG/CSGView.h

0001 #pragma once
0002 /**
0003 CSGView.h
0004 ==========
0005
0006 glm based eye, look, up projection transform maths
0007
0008 * HMM: no CSG dependency, this can and should be done at lower sysrap level
0009 * TODO: review users and check for duplicated functionality
0010
0011 **/
0012
0013 #include <string>
0014 #include <glm/glm.hpp>
0015
0016 struct CSGView
0017 {
0018     glm::vec4 eye_model ;
0019     glm::vec4 center_extent ;
0020     glm::vec4 eye ;
0021     glm::vec4 look ;
0022     glm::vec4 up ;
0023     glm::vec4 gaze ;
0024     glm::vec4 U ;
0025     glm::vec4 V ;
0026     glm::vec4 W ;
0027
0028     void update(const glm::vec4& eye_model, const glm::vec4& ce, const unsigned width, const unsigned height );
0029     void dump(const char* msg="CSGView::dump") const ;
0030     void save(const char* dir) const ;
0031
0032     static std::string desc( const char* label, const glm::vec4& v );
0033     static void collect4( float* f, unsigned i, const glm::vec4& v ); // static
0034 };
0035
0036