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Diffstat (limited to 'game/vehicles/railloco.cpp')
-rw-r--r--game/vehicles/railloco.cpp20
1 files changed, 17 insertions, 3 deletions
diff --git a/game/vehicles/railloco.cpp b/game/vehicles/railloco.cpp
index 146d2e0..a1add29 100644
--- a/game/vehicles/railloco.cpp
+++ b/game/vehicles/railloco.cpp
@@ -12,7 +12,7 @@ void
RailLoco::tick(TickDuration dur)
{
linkDist += dur.count() * speed;
- auto curLink {linkHist.getAt(0.F)};
+ auto curLink {linkHist.getCurrent()};
while (linkDist > curLink.first->length) {
location = curLink.first->positionAt(curLink.first->length, curLink.second);
const auto & nexts {curLink.first->nexts[1 - curLink.second]};
@@ -28,7 +28,21 @@ RailLoco::tick(TickDuration dur)
speed = 0;
}
}
- location = curLink.first->positionAt(linkDist, curLink.second);
+ const auto b1pos = curLink.first->positionAt(linkDist, curLink.second);
+ const auto b2pos
+ = (linkDist >= wheelBase) ? curLink.first->positionAt(linkDist - wheelBase, curLink.second) : [&]() {
+ float b2linkDist {};
+ const auto b2Link = linkHist.getAt(wheelBase - linkDist, &b2linkDist);
+ return b2Link.first->positionAt(b2linkDist, b2Link.second);
+ }();
+ location.GetPos() = (b1pos.GetPos() + b2pos.GetPos()) / 2.F;
+ const auto diff = glm::normalize(b2pos.GetPos() - b1pos.GetPos());
+ location.GetRot().x = -vector_pitch(diff);
+ location.GetRot().y = vector_yaw(diff);
}
-Brush47::Brush47(const LinkPtr & l) : RailLoco(l, "brush47.obj", "brush47.png") { }
+Brush47::Brush47(const LinkPtr & l) : RailLoco(l, "brush47.obj", "brush47.png")
+{
+ wheelBase = 15.7F;
+ linkDist = wheelBase;
+}