if(dx*dx+dy*dy<limit)
{
set_rotation(other.rot+other_eps[j].dir-eps[i].dir+M_PI);
- set_position(Point(epp2.x-(eps[i].pos.x*cos(rot)-eps[i].pos.y*sin(rot)), epp2.y-(eps[i].pos.y*cos(rot)+eps[i].pos.x*sin(rot)), epp2.z));
+ Point p(epp2.x-(eps[i].pos.x*cos(rot)-eps[i].pos.y*sin(rot)),
+ epp2.y-(eps[i].pos.y*cos(rot)+eps[i].pos.x*sin(rot)),
+ epp2.z);
+ if(eps.size()==2 && i==1)
+ p.z -= slope;
+ set_position(p);
if(link)
{
return links[i];
}
-int Track::traverse(unsigned i, unsigned route) const
+unsigned Track::traverse(unsigned i, unsigned path) const
{
const vector<Endpoint> &eps = type.get_endpoints();
if(i>=eps.size())
const Endpoint &ep = eps[i];
- if(ep.routes&(1<<route))
+ if(ep.paths&(1<<path))
{
- // Find the other endpoint for this route
+ // Find the other endpoint for this path
for(unsigned j=0; j<eps.size(); ++j)
- if((eps[j].routes&(1<<route)) && j!=i)
+ if((eps[j].paths&(1<<path)) && j!=i)
return j;
}
else
{
- // Find an endpoint that's connected to this one and has the requested route
+ // Find an endpoint that's connected to this one and has the requested path
for(unsigned j=0; j<eps.size(); ++j)
- if((eps[j].routes&(1<<route)) && (eps[j].routes&ep.routes))
+ if((eps[j].paths&(1<<path)) && (eps[j].paths&ep.paths))
return j;
}
- return -1;
+ throw Exception("Track endpoint did not have a counterpart");
}
-Point Track::get_point(unsigned epi, unsigned route, float d) const
+Point Track::get_point(unsigned epi, unsigned path, float d) const
{
const vector<Endpoint> &eps = type.get_endpoints();
if(epi>=eps.size())
float x = eps[epi].pos.x;
float y = eps[epi].pos.y;
+ float z = 0;
+ float slope_norm = 0;
+ if(eps.size()==2)
+ {
+ slope_norm = slope/type.get_total_length();
+ if(epi==1)
+ {
+ z = slope;
+ slope_norm = -slope_norm;
+ }
+ }
const vector<TrackPart> &parts = type.get_parts();
const TrackPart *last_part = 0;
{
for(vector<TrackPart>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
{
- if((eps[epi].routes&(1<<route)) && i->route!=route)
+ if((eps[epi].paths&(1<<path)) && i->path!=path)
continue;
if(&*i==last_part)
continue;
plen *= abs(i->radius);
if(d<plen)
{
+ z += d*slope_norm;
if(j==1)
d = plen-d;
Point p = i->get_point(d);
float c = cos(rot);
float s = sin(rot);
- return Point(pos.x+c*p.x-s*p.y, pos.y+c*p.y+s*p.x);
+ return Point(pos.x+c*p.x-s*p.y, pos.y+c*p.y+s*p.x, pos.z+z);
}
else if(part_eps.size()>1)
{
d -= plen;
x = part_eps[1-j].pos.x;
y = part_eps[1-j].pos.y;
+ z += plen*slope_norm;
last_part = &*i;
i = parts.begin();
break;