FGFS-4.1/OpenSceneGraph
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Added Vec2d, Vec3d and Vec4d classes, and remapped Vec2, Vec3 and Vec4 to

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Vec2f, Vec3f an Vec4f respectively, with typedef's to the from Vec* to Vec*f.
This commit is contained in:
Robert Osfield
2004-05-20 10:15:48 +00:00
parent 17214df1fc
commit f02c75f5ea
40 changed files with 2150 additions and 977 deletions
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85
examples/osgsimulation/osgsimulation.cpp
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@@ -2,12 +2,47 @@
#include <osg/Group>
#include <osg/Geode>
#include <osg/ShapeDrawable>
#include <osg/Texture2D>
#include <osg/PositionAttitudeTransform>
#include <osgDB/ReadFile>
#include <osgParticle/ExplosionEffect>
#include <osgParticle/SmokeEffect>
#include <osgParticle/FireEffect>
#include <osgParticle/ParticleSystemUpdater>
// for the grid data..
#include "../osghangglide/terrain_coords.h"
osg::Vec3 computeTerrainIntersection(osg::Node* subgraph,float x,float y)
{
osgUtil::IntersectVisitor iv;
osg::ref_ptr<osg::LineSegment> segDown = new osg::LineSegment;
const osg::BoundingSphere& bs = subgraph->getBound();
float zMax = bs.center().z()+bs.radius();
float zMin = bs.center().z()-bs.radius();
segDown->set(osg::Vec3(x,y,zMin),osg::Vec3(x,y,zMax));
iv.addLineSegment(segDown.get());
subgraph->accept(iv);
if (iv.hits())
{
osgUtil::IntersectVisitor::HitList& hitList = iv.getHitList(segDown.get());
if (!hitList.empty())
{
osg::Vec3 ip = hitList.front().getWorldIntersectPoint();
return ip;
}
}
return osg::Vec3(x,y,0.0f);
}
//////////////////////////////////////////////////////////////////////////////
// MAIN SCENE GRAPH BUILDING FUNCTION
@@ -16,13 +51,57 @@
void build_world(osg::Group *root)
{
osg::Geode* terrainGeode = new osg::Geode;
{
osg::StateSet* stateset = new osg::StateSet();
osg::Image* image = osgDB::readImageFile("Images/lz.rgb");
if (image)
{
osg::Texture2D* texture = new osg::Texture2D;
texture->setImage(image);
stateset->setTextureAttributeAndModes(0,texture,osg::StateAttribute::ON);
}
terrainGeode->setStateSet( stateset );
float size = 1000; // 10km;
float scale = size/39.0f; // 10km;
float z_scale = scale*3.0f;
osg::HeightField* grid = new osg::HeightField;
grid->allocateGrid(38,39);
grid->setXInterval(scale);
grid->setYInterval(scale);
for(unsigned int r=0;r<39;++r)
{
for(unsigned int c=0;c<38;++c)
{
grid->setHeight(c,r,z_scale*vertex[r+c*39][2]);
}
}
terrainGeode->addDrawable(new osg::ShapeDrawable(grid));
root->addChild(terrainGeode);
}
osg::PositionAttitudeTransform* positionEffects = new osg::PositionAttitudeTransform;
positionEffects->setPosition(computeTerrainIntersection(terrainGeode,100.0f,100.0f));
root->addChild(positionEffects);
osgParticle::ExplosionEffect* explosion = new osgParticle::ExplosionEffect;
osgParticle::SmokeEffect* smoke = new osgParticle::SmokeEffect;
osgParticle::FireEffect* fire = new osgParticle::FireEffect;
root->addChild(explosion);
root->addChild(smoke);
root->addChild(fire);
osg::Geode* geode = new osg::Geode;
geode->addDrawable(new osg::ShapeDrawable(new osg::Sphere(osg::Vec3(0.0f,0.0f,0.0f),10.0f)));
positionEffects->addChild(geode);
positionEffects->addChild(explosion);
positionEffects->addChild(smoke);
positionEffects->addChild(fire);
osgParticle::ParticleSystemUpdater *psu = new osgParticle::ParticleSystemUpdater;