bool RADAR::Hits( RCOORD *distance, PRAY pr ) // orogin, normal length of line.
{
// return time which line hits wall...
// time time on wall // if time is withing
// timeof( pr.o - pr.n )... 0 to what??
// RCOORD t1; // = distance...
RCOORD t1, t2;
// RAY dir;
t1 = *distance;
if( FindIntersectionTime( distance, Lines[0].d.n, Lines[0].d.o
, &t2, pr->n, pr->o ) )
{
if( t2 >= 1.0 || // don't collide ON bounds...
t2 <= 0.0 ||
*distance <= 0.0 ||
*distance > t1 )
{
*distance=t1;
return false;
}
// shorter distance.... returned IN distance...
return true;
}
return false;
}
INDEX CPROC CheckWallSelect( PWALL wall, PWALLSELECTINFO si )
{
GETWORLD(si->iWorld);
//PWALL wall = GetWall( iWall );
PFLATLAND_MYLINESEG line = GetLine( wall->iLine );
RCOORD t1, t2;
if( FindIntersectionTime( &t1, si->r.n, si->r.o
, &t2, line->r.n, line->r.o ) )
{
if( t1 >= 0 && t1 <= 1 &&
t2 >= line->dFrom && t2 <= line->dTo )
{
if( si->nwalls < 2 )
{
si->walls[si->nwalls++] = GetMemberIndex( WALL, &world->walls, wall );
}
else
return 1; // breaks for_all loop
}
//Log4( "Results: %g %g (%g %g)", t1, t2, line->start, line->dTo );
}
return 0;
}