Initial commit.

room_object.h

@@ -0,0 +1,36 @@
+// -*- C++ -*-
+
+#ifndef MBOSTOCK_ROOM_OBJECT_H
+#define MBOSTOCK_ROOM_OBJECT_H
+
+namespace mbostock {
+
+  class Model;
+  class ParticleSimulator;
+  class Shape;
+  class UnaryForce;
+  class Vector;
+
+  class RoomObject {
+  public:
+    virtual Model& model() = 0;
+    virtual const Shape& shape() const = 0;
+    virtual bool dynamic() const;
+    virtual Vector velocity(const Vector& x) const;
+    virtual float slip() const;
+    virtual void resetForces();
+    virtual void applyForce(UnaryForce& force);
+    virtual void applyWeight(float w, const Vector& x);
+    virtual void step(const ParticleSimulator& s);
+    virtual void constrainInternal();
+    virtual void reset();
+  };
+
+  class DynamicRoomObject : public RoomObject {
+  public:
+    virtual bool dynamic() const;
+  };
+
+}
+
+#endif