CVS: data/Shaders landmass.frag,1.3,1.4

Update of /var/cvs/FlightGear-0.9/data/Shaders
In directory baron.flightgear.org:/tmp/cvs-serv17286/Shaders

Modified Files:
	landmass.frag 
Log Message:
Allow the snow level of the landmass shader to be set from the property system, and expose it in the rendering dialog. Could be used in future to set the snow level based on the current weather.


Index: landmass.frag
===================================================================
RCS file: /var/cvs/FlightGear-0.9/data/Shaders/landmass.frag,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- landmass.frag	12 Feb 2010 14:44:46 -0000	1.3
+++ landmass.frag	27 Mar 2010 14:02:57 -0000	1.4
@@ -8,12 +8,13 @@
 
 uniform sampler3D NoiseTex;
 uniform sampler2D BaseTex;
+uniform float snowlevel;
 
+// From /sim/rendering/snow-level-m
 const float scale = 1.0;
 
 void main (void)
 {
-	const float snowlevel=2000.0;
 	vec4 noisevec   = texture3D(NoiseTex, (rawpos.xyz)*0.01*scale);
 	vec4 nvL   = texture3D(NoiseTex, (rawpos.xyz)*0.00066*scale);
 


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