Initial commit.

tube.cpp

@@ -0,0 +1,35 @@
+// -*- C++ -*-
+
+#include "material.h"
+#include "model.h"
+#include "physics/particle.h"
+#include "physics/shape.h"
+#include "physics/vector.h"
+#include "room.h"
+#include "tube.h"
+
+using namespace mbostock;
+
+Tube::Tube(const Vector& x0, const Vector& x1, const Vector& y, float radius)
+    : cylinder_(x0, x1, radius), y_(y), model_(cylinder_, y_) {
+}
+
+Model& Tube::model() {
+  return model_;
+}
+
+const Shape& Tube::shape() const {
+  return cylinder_;
+}
+
+void Tube::setMaterial(const Material& m) {
+  model_.setMaterial(m);
+}
+
+void Tube::setCapMaterial(const Material& m) {
+  model_.setCapMaterial(m);
+}
+
+float Tube::slip() const {
+  return model_.material().slip();
+}