Checked in osgParticle, writtten by Marco Jez.

include/osgParticle/PointPlacer

@@ -0,0 +1,61 @@
+//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
+//Distributed under the terms of the GNU Library General Public License (LGPL)
+//as published by the Free Software Foundation.
+//osgParticle - Copyright (C) 2002 Marco Jez
+
+#ifndef OSGPARTICLE_POINTPLACER_
+#define OSGPARTICLE_POINTPLACER_ 1
+
+#include <osgParticle/CenteredPlacer>
+#include <osgParticle/Particle>
+
+#include <osg/CopyOp>
+#include <osg/Object>
+
+namespace osgParticle
+{
+
+    /**    A point-shaped particle placer.
+        This placer class uses the center point defined in its base class <CODE>CenteredPlacer</CODE>
+        to place there all incoming particles.
+    */
+    class PointPlacer: public CenteredPlacer {
+    public:
+        inline PointPlacer();
+        inline PointPlacer(const PointPlacer &copy, const osg::CopyOp &copyop = osg::CopyOp::SHALLOW_COPY);
+
+        META_Object(PointPlacer);
+        
+        /** Place a particle. 
+            This method is called automatically by <CODE>ModularEmitter</CODE> and should not be called
+            manually.
+        */
+        inline void place(Particle *P) const;
+
+    protected:
+        virtual ~PointPlacer() {}
+        PointPlacer &operator=(const PointPlacer &) { return *this; }        
+    };
+
+    // INLINE FUNCTIONS
+    
+    inline PointPlacer::PointPlacer()
+    : CenteredPlacer()
+    {
+    }
+    
+    inline PointPlacer::PointPlacer(const PointPlacer &copy, const osg::CopyOp &copyop)
+    : CenteredPlacer(copy, copyop)
+    {
+    }
+
+    inline void PointPlacer::place(Particle *P) const
+    {
+        P->setPosition(getCenter());
+    }
+
+
+}
+
+
+#endif