Turn TrackPart into a proper class

[r2c2.git] / source / 3d / tracktype.cpp

diff --git a/source/3d/tracktype.cpp b/source/3d/tracktype.cpp
index 94a941a983f94fcd0392d4bb0b2237d5e32f60e2..1a898d4cd5383c21e0104fe8a5bfef7758c45188 100644 (file)
--- a/source/3d/tracktype.cpp
+++ b/source/3d/tracktype.cpp
@@ -151,18 +151,15 @@ void TrackType3D::render(const GL::Tag &tag) const
 
 void TrackType3D::build_part(const TrackPart &part, const Profile &profile, const Point &offset, GL::MeshBuilder &bld, unsigned &base_index)
 {
-       unsigned nsegs = (part.radius ? static_cast<unsigned>(part.length*16)+1 : 1);
-       float plen = part.length;
-       if(part.radius)
-               plen *= abs(part.radius);
+       float plen = part.get_length();
+       unsigned nsegs = (part.is_curved() ? static_cast<unsigned>(plen*16)+1 : 1);
 
        unsigned n_points = profile.get_n_points();
        for(unsigned i=0; i<=nsegs; ++i)
        {
-               float a = part.dir+(part.radius ? i*plen/nsegs/part.radius : 0);
-               float c = cos(a);
-               float s = sin(a);
-               Point basep = part.get_point(i*plen/nsegs);
+               TrackPoint basep = part.get_point(i*plen/nsegs);
+               float c = cos(basep.dir);
+               float s = sin(basep.dir);
 
                Point p;
                for(unsigned j=0; j<n_points; ++j)
@@ -170,9 +167,9 @@ void TrackType3D::build_part(const TrackPart &part, const Profile &profile, cons
                        // TODO: smoothing - only duplicate vertex if the angle is large enough
 
                        p = profile.get_point(j);
-                       p.z = basep.z+p.y+offset.y;
-                       p.y = basep.y-c*(p.x+offset.x);
-                       p.x = basep.x+s*(p.x+offset.x);
+                       p.z = basep.pos.z+p.y+offset.y;
+                       p.y = basep.pos.y-c*(p.x+offset.x);
+                       p.x = basep.pos.x+s*(p.x+offset.x);
                        if(j>0)
                                bld.vertex(p.x, p.y, p.z);