From e118b1f5d8071460e3a9d4d731c6d69221f785dc Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sat, 6 Mar 2021 19:44:58 +0000
Subject: Carve up the mess in game/vehicles

---
 game/vehicles/railVehicle.cpp | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 game/vehicles/railVehicle.cpp

(limited to 'game/vehicles/railVehicle.cpp')

diff --git a/game/vehicles/railVehicle.cpp b/game/vehicles/railVehicle.cpp
new file mode 100644
index 0000000..a2373e7
--- /dev/null
+++ b/game/vehicles/railVehicle.cpp
@@ -0,0 +1,26 @@
+#include "railVehicle.h"
+#include "railVehicleClass.h"
+#include "train.h"
+#include <array>
+#include <glm/glm.hpp>
+#include <location.hpp>
+#include <maths.h>
+#include <memory>
+
+void
+RailVehicle::render(const Shader & shader) const
+{
+	rvClass->render(shader, location, bogies);
+}
+
+void
+RailVehicle::move(const Train * t, float & trailBy)
+{
+	const auto overhang {(rvClass->length - rvClass->wheelBase) / 2};
+	const auto & b1Pos = bogies[0] = t->getBogiePosition(t->linkDist, trailBy += overhang);
+	const auto & b2Pos = bogies[1] = t->getBogiePosition(t->linkDist, trailBy += rvClass->wheelBase);
+	const auto diff = glm::normalize(b2Pos.pos - b1Pos.pos);
+	location.pos = (b1Pos.pos + b2Pos.pos) / 2.F;
+	location.rot = {-vector_pitch(diff), vector_yaw(diff), 0};
+	trailBy += 0.6F + overhang;
+}
-- 
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