Initial commit.

rotating.h

@@ -0,0 +1,57 @@
+// -*- C++ -*-
+
+#ifndef MBOSTOCK_ROTATING_H
+#define MBOSTOCK_ROTATING_H
+
+#include "model.h"
+#include "physics/rotation.h"
+#include "physics/vector.h"
+#include "room_force.h"
+#include "room_object.h"
+#include "transforming.h"
+
+namespace mbostock {
+
+  class RotatingModel : public Model {
+  public:
+    RotatingModel(Model& m, const Rotation& r);
+
+    virtual void initialize();
+    virtual void display();
+
+  private:
+    Model& model_;
+    const Rotation& rotation_;
+  };
+
+  class RotatingRoomObject : public TransformingRoomObject {
+  public:
+    RotatingRoomObject(RoomObject* o, const Rotation& r);
+
+    virtual Model& model();
+    virtual const Shape& shape() const;
+    virtual Vector velocity(const Vector& x) const;
+
+  private:
+    const Rotation& rotation_;
+    RotatingShape shape_;
+    RotatingModel model_;
+  };
+
+  class RotatingRoomForce : public RoomForce {
+  public:
+    RotatingRoomForce(RoomForce* f, const Rotation& r);
+    virtual ~RotatingRoomForce();
+
+    virtual const Shape& shape() const;
+    virtual Vector force(const Particle& p);
+
+  private:
+    RoomForce* force_;
+    const Rotation& rotation_;
+    RotatingShape shape_;
+  };
+
+}
+
+#endif