#ifndef __camera_h_
#define __camera_h_

#include "GL/glut.h"

#define OCTAHEDRON     6  // number of vertices
#define CUBE           8
#define ICOSAHEDRON   12
#define DODECAHEDRON  20

namespace	VMI
{
typedef struct _Camera {
    GLdouble eyeX, eyeY, eyeZ;
    GLdouble centerX, centerY, centerZ;
    GLdouble upX, upY, upZ;
    GLdouble weight;
} Camera;

extern Camera *loadCameras(GLdouble radius, char* filename, GLuint *numCameras);
extern void saveCameras(char* filename, Camera *cameras, GLuint numCameras);
extern void copyToCameras(Camera *cameras, int numVertices, GLdouble vertices[][3]);
extern void setCameraWeights(Camera *cameras, GLuint numCameras, GLdouble *weights);
extern Camera *setCameras(GLdouble radius, GLuint type, GLuint *numCameras);
extern void printCameras(Camera *cameras, GLuint numCameras);

extern void drawSphere(Camera *cameras, GLdouble radius, int slices, int stacks);
extern void drawOctahedron(Camera *cameras, GLdouble r);
extern void drawCube(Camera *cameras, GLdouble r);
extern void drawIcosahedron(Camera *cameras, GLdouble r);
extern void drawDodecahedron(Camera *cameras, GLdouble r);

}

#endif