FGFS-4.1/OpenSceneGraph
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Ported various demos and support classes over to use the new osg::Geometry class

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thus removing dependancy on osg::Geoset from most of the OSG, only loaders
left to port now.
This commit is contained in:
Robert Osfield
2002-06-26 10:28:17 +00:00
parent 1ceb0b60a8
commit 40fefcf335
21 changed files with 274 additions and 377 deletions
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63
src/Demos/hangglide/base.cpp
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@@ -1,7 +1,7 @@
#include <math.h>
#include <osg/Geode>
#include <osg/GeoSet>
#include <osg/Geometry>
#include <osg/Texture>
#include <osg/TexEnv>
#include <osg/Depth>
@@ -15,54 +15,39 @@ Node *makeBase( void )
{
int i, c;
float theta;
float ir, ori;
ir = 0.0;
ori = 20.0;
float ir = 20.0f;
Vec3 *coords = new Vec3[38];
Vec2 *tcoords = new Vec2[38];
Vec4 *colors = new Vec4[1];
Vec3Array *coords = new Vec3Array(19);
Vec2Array *tcoords = new Vec2Array(19);
Vec4Array *colors = new Vec4Array(1);
int *lengths = new int[1];
colors[0][0] = colors[0][1] = colors[0][2] = colors[0][3] = 1;
(*colors)[0].set(1.0f,1.0f,1.0f,1.0f);
c = 0;
(*coords)[c].set(0.0f,0.0f,0.0f);
(*tcoords)[c].set(0.0f,0.0f);
for( i = 0; i <= 18; i++ )
{
theta = osg::DegreesToRadians((float)i * 20.0);
coords[c][0] = ir * cosf( theta );
coords[c][1] = ir * sinf( theta );
coords[c][2] = 0.0;
tcoords[c][0] = coords[c][0]/36.;
tcoords[c][1] = coords[c][1]/36.;
c++;
coords[c][0] = ori * cosf( theta );
coords[c][1] = ori * sinf( theta );
coords[c][2] = 0.0f;
tcoords[c][0] = coords[c][0]/36.;
tcoords[c][1] = coords[c][1]/36.;
(*coords)[c].set(ir * cosf( theta ), ir * sinf( theta ), 0.0f);
(*tcoords)[c].set((*coords)[c][0]/36.0f,(*coords)[c][1]/36.0f);
c++;
}
*lengths = 38;
GeoSet *gset = new GeoSet;
Geometry *geom = new Geometry;
gset->setCoords( coords );
geom->setVertexArray( coords );
gset->setTextureCoords( tcoords );
gset->setTextureBinding( GeoSet::BIND_PERVERTEX );
geom->setTexCoordArray( 0, tcoords );
gset->setColors( colors );
gset->setColorBinding( GeoSet::BIND_OVERALL );
geom->setColorArray( colors );
geom->setColorBinding( Geometry::BIND_OVERALL );
gset->setPrimType( GeoSet::TRIANGLE_STRIP );
gset->setNumPrims( 1 );
gset->setPrimLengths( lengths );
geom->addPrimitive( new DrawArrays(Primitive::TRIANGLE_FAN,0,19) );
Texture *tex = new Texture;
@@ -75,16 +60,6 @@ Node *makeBase( void )
dstate->setAttributeAndModes( tex, StateAttribute::ON );
dstate->setAttribute( new TexEnv );
/*
pfFog *fog = new pfFog;
fog->setFogType( PFFOG_PIX_EXP2 );
fog->setColor( 0.1, 0.2, 0.2 );
fog->setRange( 16.0, 22.0 );
gstate->setMode( PFSTATE_ENFOG, PF_ON );
gstate->setAttr( PFSTATE_FOG, fog );
*/
// clear the depth to the far plane.
osg::Depth* depth = new osg::Depth;
@@ -95,10 +70,10 @@ Node *makeBase( void )
dstate->setRenderBinDetails(-1,"RenderBin");
gset->setStateSet( dstate );
geom->setStateSet( dstate );
Geode *geode = new Geode;
geode->addDrawable( gset );
geode->addDrawable( geom );
return geode;
}