From: dooglus <dooglus@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Date: Mon, 10 Sep 2007 01:38:21 +0000 (+0000)
Subject: Added a comment about the strange fudge factor in the previous versions of the plant... 
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=2bb65327eb322d6e2dd90c5cb0e7ff1e9cb6202d;p=synfig.git

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


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
--- 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);