Add boolean parameter 'Positive Only' to stop negative affect from large distances.

[synfig.git] / synfig-core / trunk / src / modules / example / metaballs.h

diff --git a/synfig-core/trunk/src/modules/example/metaballs.h b/synfig-core/trunk/src/modules/example/metaballs.h
index a0c8552..ee3bda5 100644 (file)
--- a/synfig-core/trunk/src/modules/example/metaballs.h
+++ b/synfig-core/trunk/src/modules/example/metaballs.h
@@ -28,7 +28,7 @@
 /* === 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>
@@ -44,14 +44,16 @@ class Metaballs : public synfig::Layer_Composite
 
 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 totaldensity(const synfig::Point &pos)const;