vector2            12 event.h          vector2 pos;
vector2            13 event.h          vector2 vel;
vector2            17 gamemain.c     vector2 mypos;
vector2            42 gamemain.c       static vector2 pos = {SCREENWIDTH/2-1, SCREENHEIGHT-3}; 
vector2            81 gamemain.c       vector2 tmpv;
vector2            20 gamemain2.c    vector2 mypos;
vector2            78 gamemain2.c      static vector2 pos = {SCREENWIDTH/2-1, SCREENHEIGHT-3}; 
vector2           117 gamemain2.c      vector2 tmpv;
vector2             7 movingobject.h   vector2 pos;
vector2             8 movingobject.h   vector2 vel;
vector2             8 object.h         vector2 size;
vector2             4 vector2.c      vector2 makevector2(double x, double y){
vector2             5 vector2.c        vector2 ret;
vector2            11 vector2.c      vector2 vec2plus(vector2 a, vector2 b){
vector2            12 vector2.c        vector2 ret;
vector2            23 vector2.c      vector2 vec2minus(vector2 a, vector2 b){
vector2            24 vector2.c        vector2 ret;
vector2             9 vector2.h      vector2 makevector2(double x, double y);
vector2            10 vector2.h      vector2 vec2plus(vector2 a, vector2 b);
vector2            12 vector2.h      vector2 vec2minus(vector2 a, vector2 b);