/* === S Y N F I G ========================================================= */
/*! \file metaballs.h
-** \brief Declares information for defining Metaballs.
+** \brief Header file for implementation of the "Metaballs" layer
**
-** $Id: metaballs.h,v 1.1.1.1 2005/01/04 01:23:09 darco Exp $
+** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
/* === H E A D E R S ======================================================= */
#include <synfig/layer_composite.h>
-#include <synfig/color.h>
+#include <synfig/gradient.h>
#include <synfig/vector.h>
#include <synfig/value.h>
#include <vector>
class Metaballs : public synfig::Layer_Composite
{
SYNFIG_LAYER_MODULE_EXT
-
+
private:
- synfig::Color color;
+ synfig::Gradient gradient;
std::vector<synfig::Point> centers;
std::vector<synfig::Real> radii;
std::vector<synfig::Real> weights;
synfig::Real threshold;
- //Real threshold2;
-
+ synfig::Real threshold2;
+
+ bool positive;
+
+ synfig::Real densityfunc(const synfig::Point &p, const synfig::Point &c, synfig::Real R)const;
+
synfig::Real totaldensity(const synfig::Point &pos)const;
public:
-
+
Metaballs();
-
+
virtual bool set_param(const synfig::String & param, const synfig::ValueBase &value);
virtual synfig::ValueBase get_param(const synfig::String & param)const;
virtual synfig::Color get_color(synfig::Context context, const synfig::Point &pos)const;
-
+
virtual bool accelerated_render(synfig::Context context,synfig::Surface *surface,int quality, const synfig::RendDesc &renddesc, synfig::ProgressCallback *cb)const;
-
+
virtual Vocab get_param_vocab()const;
+
+ virtual synfig::Layer::Handle hit_check(synfig::Context context, const synfig::Point &point)const;
}; // END of class Metaballs
/* === E N D =============================================================== */