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-rw-r--r--game/network/rail.cpp9
-rw-r--r--game/network/rail.h2
2 files changed, 6 insertions, 5 deletions
diff --git a/game/network/rail.cpp b/game/network/rail.cpp
index a66bf65..4e09e29 100644
--- a/game/network/rail.cpp
+++ b/game/network/rail.cpp
@@ -101,22 +101,21 @@ RailLinkCurve::RailLinkCurve(const NodePtr & a, const NodePtr & b, glm::vec2 c)
}
RailLinkCurve::RailLinkCurve(const NodePtr & a, const NodePtr & b, glm::vec3 c, const Arc arc) :
- RailLink({a, normalize(arc.first - half_pi)}, {b, normalize(arc.second + half_pi)},
+ RailLink({a, normalize(arc.first + half_pi)}, {b, normalize(arc.second - half_pi)},
(glm::length(a->pos - c)) * arc_length(arc)),
- centreBase(c)
+ centreBase(c), radius {glm::length(ends[0].first->pos - centreBase)}, arc {arc}
{
const auto & e0p {ends[0].first->pos};
const auto & e1p {ends[1].first->pos};
- const auto radius = glm::length(e0p - centreBase);
const auto slength = round_sleepers(length / 2.F);
const auto segs = std::round(5.F * slength / std::pow(radius, 0.7F));
- const auto step {glm::vec3 {arc_length(arc), e1p.y - e0p.y, slength} / segs};
+ const auto step {glm::vec3 {arc_length(arc), e0p.y - e1p.y, slength} / segs};
const auto trans {glm::translate(centreBase)};
int segCount = segs;
vertices.reserve((segCount + 1) * railCrossSection.size());
indices.reserve(segCount * 2 * railCrossSection.size());
- for (glm::vec3 swing = {arc.first, 0.F, 0.F}; segCount >= 0; swing += step, --segCount) {
+ for (glm::vec3 swing = {arc.second, -e1p.y, 0.F}; segCount >= 0; swing += step, --segCount) {
const auto t {trans * glm::rotate(half_pi - swing.x, up) * glm::translate(glm::vec3 {radius, swing.y, 0.F})};
for (const auto & rcs : railCrossSection) {
const glm::vec3 m {(t * glm::vec4 {rcs.first, 1})};
diff --git a/game/network/rail.h b/game/network/rail.h
index a501f32..f50ef3c 100644
--- a/game/network/rail.h
+++ b/game/network/rail.h
@@ -48,6 +48,8 @@ public:
private:
RailLinkCurve(const NodePtr &, const NodePtr &, glm::vec3, const Arc);
glm::vec3 centreBase;
+ float radius;
+ Arc arc;
};
template<typename T> concept RailLinkConcept = std::is_base_of_v<RailLink, T>;