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Further tweaks to settings to improve performance at mid intensity ranges

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This commit is contained in:
Robert Osfield
2006-04-14 15:03:36 +00:00
parent 839fb12098
commit 6f20b47c23
1 changed files with 11 additions and 12 deletions
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23
examples/osgprecipitation/osgprecipitation.cpp
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@@ -39,8 +39,8 @@ struct PrecipatationParameters : public osg::Referenced
numberOfCellsZ(1),
nearTransition(25.0),
farTransition(100.0),
fogDensity(0.001),
fogExponent(1.0),
fogDensity(0.001),
fogEnd(1000.0),
fogColour(0.5, 0.5, 0.5, 1.0),
clearColour(0.5, 0.5, 0.5, 1.0)
@@ -51,12 +51,12 @@ struct PrecipatationParameters : public osg::Referenced
particleVelocity = osg::Vec3(0.0,0.0,-2.0) + osg::Vec3(0.0,0.0,-10.0)*intensity;
particleSize = 0.01 + 0.02*intensity;
particleColour = osg::Vec4(0.6, 0.6, 0.6, 1.0) - osg::Vec4(0.1, 0.1, 0.1, 1.0)* intensity;
numberOfParticles = intensity * 85000000;
numberOfCellsX = 50 + (int)(150.0f*intensity);
numberOfCellsY = 50 + (int)(150.0f*intensity);
numberOfParticles = (int)(intensity * 85000000.0f);
numberOfCellsX = 100 + (int)(100.0f*intensity);
numberOfCellsY = 100 + (int)(100.0f*intensity);
farTransition = 140.0f - 100.0f*intensity;
fogExponent = 1.0f;
fogDensity = 0.01f*intensity;
fogDensity = 0.005f*intensity;
fogEnd = 250/(0.01 + intensity);
fogColour.set(0.5, 0.5, 0.5, 1.0);
clearColour.set(0.5, 0.5, 0.5, 1.0);
@@ -67,9 +67,9 @@ struct PrecipatationParameters : public osg::Referenced
particleVelocity = osg::Vec3(0.0,0.0,-1.0) + osg::Vec3(0.0,0.0,-0.5)*intensity;
particleSize = 0.02 + 0.03*intensity;
particleColour = osg::Vec4(0.85f, 0.85f, 0.85f, 1.0f) - osg::Vec4(0.1f, 0.1f, 0.1f, 1.0f)* intensity;
numberOfParticles = intensity * 80000000;
numberOfCellsX = 50 + (int)(150.0f*intensity);
numberOfCellsY = 50 + (int)(150.0f*intensity);
numberOfParticles = (int)(intensity * 82000000.0f);
numberOfCellsX = 100 + (int)(100.0f*intensity);
numberOfCellsY = 100 + (int)(100.0f*intensity);
farTransition = 140.0f - 100.0f*intensity;
fogExponent = 1.0f;
fogDensity = 0.02f*intensity;
@@ -95,6 +95,7 @@ struct PrecipatationParameters : public osg::Referenced
osg::Vec4 clearColour;
};
#if 0
struct PrecipitationCullCallback : public virtual osg::Drawable::CullCallback
{
PrecipitationCullCallback() {}
@@ -109,7 +110,7 @@ struct PrecipitationCullCallback : public virtual osg::Drawable::CullCallback
return false;
}
};
#endif
class PrecipitationGeometry : public osg::Geometry
{
@@ -119,7 +120,7 @@ public:
{
setSupportsDisplayList(false);
setCullCallback(new PrecipitationCullCallback());
// setCullCallback(new PrecipitationCullCallback());
}
virtual bool supports(const osg::PrimitiveFunctor&) const { return false; }
@@ -641,8 +642,6 @@ osg::Node* createModel(osg::Node* loadedModel, PrecipatationParameters& paramete
osg::Group* group = new osg::Group;
osg::BoundingBox bb(0.0, 0.0, 0.0, 100.0, 100.0, 100.0);
osg::Vec3 velocity(0.0,2.0,-8.0);
unsigned int numParticles = 50000000;
if (loadedModel)
{