Initial commit.

escalator.h

@@ -0,0 +1,39 @@
+// -*- C++ -*-
+
+#ifndef MBOSTOCK_ESCALATOR_H
+#define MBOSTOCK_ESCALATOR_H
+
+#include "model.h"
+#include "physics/shape.h"
+#include "physics/vector.h"
+#include "room_object.h"
+
+namespace mbostock {
+
+  class Material;
+  class ParticleSimulator;
+
+  class Escalator : public DynamicRoomObject {
+  public:
+    Escalator(const Vector& min, const Vector& max, const Vector& v);
+
+    virtual Model& model();
+    virtual const Shape& shape() const;
+    virtual void step(const ParticleSimulator& s);
+    virtual Vector velocity(const Vector& x) const;
+    virtual float slip() const;
+
+    void setMaterial(const Material& m);
+    void setTopMaterial(const Material& m);
+
+  private:
+    const AxisAlignedBox box_;
+    const Vector velocity_;
+    Vector offset_;
+
+    AxisAlignedBoxModel model_;
+  };
+
+}
+
+#endif