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Added -5 model option using Wang Rui's test demo as a base

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This commit is contained in:
Robert Osfield
2011-09-06 11:42:54 +00:00
parent ecbca83c01
commit f95f43dbc6
1 changed files with 61 additions and 0 deletions
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61
examples/osgshadow/osgshadow.cpp
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@@ -582,6 +582,63 @@ namespace ModelThree
}
namespace ModelFive
{
osg::AnimationPathCallback* createAnimationPathCallback( float radius, float time )
{
osg::ref_ptr<osg::AnimationPath> path = new osg::AnimationPath;
path->setLoopMode( osg::AnimationPath::LOOP );
unsigned int numSamples = 32;
float delta_yaw = 2.0f * osg::PI/((float)numSamples - 1.0f);
float delta_time = time / (float)numSamples;
for ( unsigned int i=0; i<numSamples; ++i )
{
float yaw = delta_yaw * (float)i;
osg::Vec3 pos( sinf(yaw)*radius, cosf(yaw)*radius, 0.0f );
osg::Quat rot( -yaw, osg::Z_AXIS );
path->insert( delta_time * (float)i, osg::AnimationPath::ControlPoint(pos, rot) );
}
osg::ref_ptr<osg::AnimationPathCallback> apcb = new osg::AnimationPathCallback;
apcb->setAnimationPath( path.get() );
return apcb.release();
}
osg::Group* createModel(osg::ArgumentParser& arguments)
{
unsigned int rcvShadowMask = 0x1;
unsigned int castShadowMask = 0x2;
// Set the ground (only receives shadow)
osg::ref_ptr<osg::MatrixTransform> groundNode = new osg::MatrixTransform;
groundNode->addChild( osgDB::readNodeFile("lz.osg") );
groundNode->setMatrix( osg::Matrix::translate(200.0f, 200.0f,-200.0f) );
//groundNode->setNodeMask( rcvShadowMask );
// Set the cessna (only casts shadow)
osg::ref_ptr<osg::MatrixTransform> cessnaNode = new osg::MatrixTransform;
cessnaNode->addChild( osgDB::readNodeFile("cessna.osg.0,0,90.rot") );
cessnaNode->addUpdateCallback( createAnimationPathCallback(50.0f, 6.0f) );
//cessnaNode->setNodeMask( castShadowMask );
osg::ref_ptr<osg::Group> shadowRoot = new osg::Group;
shadowRoot->addChild( groundNode.get() );
for ( unsigned int i=0; i<10; ++i )
{
for ( unsigned int j=0; j<10; ++j )
{
osg::ref_ptr<osg::MatrixTransform> cessnaInstance = new osg::MatrixTransform;
cessnaInstance->setMatrix( osg::Matrix::translate((float)i*50.0f-25.0f, (float)j*50.0f-25.0f, 0.0f) );
cessnaInstance->addChild( cessnaNode.get() );
shadowRoot->addChild( cessnaInstance.get() );
}
}
return shadowRoot.release();
}
}
osg::Node* createTestModel(osg::ArgumentParser& arguments)
{
if (arguments.read("-1"))
@@ -596,6 +653,10 @@ osg::Node* createTestModel(osg::ArgumentParser& arguments)
{
return ModelFour::createModel(arguments);
}
else if (arguments.read("-5"))
{
return ModelFive::createModel(arguments);
}
else /*if (arguments.read("-3"))*/
{
return ModelThree::createModel(arguments);