static int i,whichpatchx,whichpatchz,j,k,whichhit,m;
static XYZ start,end,colpoint,normalrot,footvel,footpoint;
static XYZ terrainnormal;
static int i,whichpatchx,whichpatchz,j,k,whichhit,m;
static XYZ start,end,colpoint,normalrot,footvel,footpoint;
static XYZ terrainnormal;