Added a comment about the strange fudge factor in the previous versions of the plant...

git-svn-id: http://svn.voria.com/code@649 1f10aa63-cdf2-0310-b900-c93c546f37ac

diff --git a/synfig-core/trunk/src/modules/mod_particle/plant.cpp b/synfig-core/trunk/src/modules/mod_particle/plant.cpp
index 68f7141..ef610c5 100644 (file)
--- a/synfig-core/trunk/src/modules/mod_particle/plant.cpp
+++ b/synfig-core/trunk/src/modules/mod_particle/plant.cpp
@@ -443,6 +443,7 @@ Plant::accelerated_render(Context context,Surface *surface,int quality, const Re
                sync();
 
        std::vector<Particle>::reverse_iterator iter;
+
        float radius(size*sqrt(1.0f/(abs(pw)*abs(ph))));
 
        int x1,y1,x2,y2;
@@ -456,6 +457,11 @@ Plant::accelerated_render(Context context,Surface *surface,int quality, const Re
                        color.set_a(1);
                }
 
+               // previously, radius was multiplied by sqrt(step)*12 only if
+               // the radius came out at less than 1 (pixel):
+               //   if (radius<=1.0f) radius*=sqrt(step)*12.0f;
+               // seems a little arbitrary - does it help?
+
                // calculate the box that this particle will be drawn as
                float x1f=(iter->point[0]-tl[0])/pw-(scaled_radius*0.5);
                float x2f=(iter->point[0]-tl[0])/pw+(scaled_radius*0.5);