Move source to src.

src/translating.cpp

@@ -0,0 +1,43 @@
+// -*- C++ -*-
+
+#include "physics/particle.h"
+#include "physics/vector.h"
+#include "translating.h"
+
+using namespace mbostock;
+
+TranslatingModel::TranslatingModel(Model& m, const Translation& t)
+    : model_(m), translation_(t) {
+}
+
+void TranslatingModel::initialize() {
+  model_.initialize();
+}
+
+void TranslatingModel::display() {
+  glPushMatrix();
+  glTranslatev(translation_.origin());
+  model_.display();
+  glPopMatrix();
+}
+
+TranslatingRoomObject::TranslatingRoomObject(RoomObject* o, const Translation& t)
+    : TransformingRoomObject(o), translation_(t),
+      shape_(o->shape(), t), model_(o->model(), t) {
+}
+
+Model& TranslatingRoomObject::model() {
+  return model_;
+}
+
+const Shape& TranslatingRoomObject::shape() const {
+  return shape_;
+}
+
+Vector TranslatingRoomObject::velocity(const Vector& x) const {
+  Vector v = translation_.velocity();
+  if (object_->dynamic()) {
+    v += object_->velocity(translation_.pointInverse(x));
+  }
+  return v;
+}