//*** GLOBAL VARIABLES ***
// Written by Jarek Rossignac,  June 2006 
                 
// CAMERA
pt Origin=new pt(0,0,0);
pt Eye=new pt(0,0,800);
cam C = new cam(Eye, Origin);
cam C1 = new cam(Eye, Origin);
cam C2 = new cam(Eye, Origin);
float svd=800;
//float fov=atan2(width/2,svd);
float fov=PI/3;
pt Cbox = new pt(width/2,height/2,0);                   // mini-max box center
float Rbox=1000;    
pt mark = new pt(0,0,0);
pt eye = new pt(0,0,0);

// MOUSE
pt Mouse = new pt(0,0,0);                 // current mouse position
float xr, yr = 0;                         // mouse coordinates relative to center of window
int px=0, py=0;                           // coordinats of mouse when it was last pressed

// DISPLAY
vec labelD=new vec(-10,-10, 2);           // offset vector for drawing labels

int showSkeletOnly=1;
boolean jumps=false;

int r=10;                                // radius of spheres for displaying vertices
      
// VERTICES
pt[] G = new pt [maxnv];                   // geometry table (vertices)
vec[] Nv = new vec [maxnv];                // vertex normals or laplace vectors

// TRIANGLES
int nt = 2*(w-1)*(w-1), maxnt = maxnv*2;   // current and max number of triangles
vec[] Nt = new vec [maxnt];                // vtriangles normals
int[] SMt = new int[maxnt];                // sum of triangle markers for isolation
boolean flipOrientation=false;            // if set, save will flip all triangles
boolean[] visible = new boolean[maxnt];        // set if triangle visible

// CORNERS
int nc = nt*3;                             // current number of corners (3 per triangle)
int[] V = new int [3*maxnt];               // V table (triangle/vertex indices)
int[] O = new int [3*maxnt];               // O table (opposite corner indices)
int[] W = new int [3*maxnt];               // mid-edge vertex indices for subdivision (associated with corner opposite to edge)

//COMPRESSION
char[] triangleSymbol = new char[maxnt];
char[] CLERS = new char[maxnt];
int symbols=0;