FGFS-4.1/OpenSceneGraph
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Added setting of the gl_ClipVertex to enable clip planes to affect preciptation

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Robert Osfield
2008-12-19 16:12:40 +00:00
parent 0ea6cdeb96
commit aabf60c8e5
1 changed files with 3 additions and 0 deletions
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3
src/osgParticle/PrecipitationEffect.cpp
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@@ -553,6 +553,7 @@ void PrecipitationEffect::setUpGeometries(unsigned int numParticles)
" v1.xy += dp*texCoord.x;\n"
" \n"
" gl_Position = gl_ProjectionMatrix * v1;\n"
" gl_ClipVertex = v1;\n"
"}\n";
char fragmentShaderSource[] =
@@ -624,6 +625,7 @@ void PrecipitationEffect::setUpGeometries(unsigned int numParticles)
" v1.xyz += dv*texCoord.y;\n"
" \n"
" gl_Position = gl_ProjectionMatrix * v1;\n"
" gl_ClipVertex = v1;\n"
"}\n";
char fragmentShaderSource[] =
@@ -681,6 +683,7 @@ void PrecipitationEffect::setUpGeometries(unsigned int numParticles)
" gl_PointSize = ceil(pointSize);\n"
" \n"
" colour.a = 0.05+(pointSize*pointSize)/(gl_PointSize*gl_PointSize);\n"
" gl_ClipVertex = v_current;\n"
"}\n";
char fragmentShaderSource[] =