FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Updates to the osglogo demo adding colour to the sides of the cube.

Browse Source
This commit is contained in:
Robert Osfield
2002-12-06 09:20:20 +00:00
parent 3715320b85
commit d0887b19c1
1 changed files with 56 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
src/Demos/osglogo/osglogo.cpp
View File

@@ -19,7 +19,7 @@
//#include "CreateShadowedScene.h"
osg::Geometry* createWing(const osg::Vec3& left, const osg::Vec3& nose, const osg::Vec3& right,float chordRatio)
osg::Geometry* createWing(const osg::Vec3& left, const osg::Vec3& nose, const osg::Vec3& right,float chordRatio,const osg::Vec4& color)
{
osg::Geometry* geom = new osg::Geometry;
@@ -51,6 +51,13 @@ osg::Geometry* createWing(const osg::Vec3& left, const osg::Vec3& nose, const os
normals->push_back(normal);
geom->setNormalArray(normals);
geom->setNormalBinding(osg::Geometry::BIND_OVERALL);
osg::Vec4Array* colors = new osg::Vec4Array;
colors->push_back(color);
geom->setColorArray(colors);
geom->setColorBinding(osg::Geometry::BIND_OVERALL);
geom->addPrimitiveSet(new osg::DrawArrays(GL_POLYGON,0,vertices->getNumElements()));
@@ -132,25 +139,27 @@ osg:: Node* createBox(const osg::BoundingBox& bb,float chordRatio)
{
osg::Geode* geode = osgNew osg::Geode();
// front faces.
geode->addDrawable(createWing(bb.corner(4),bb.corner(6),bb.corner(7),chordRatio));
geode->addDrawable(createWing(bb.corner(7),bb.corner(5),bb.corner(4),chordRatio));
osg::Vec4 white(1.0f,1.0f,1.0f,1.0f);
geode->addDrawable(createWing(bb.corner(4),bb.corner(5),bb.corner(1),chordRatio));
geode->addDrawable(createWing(bb.corner(1),bb.corner(0),bb.corner(4),chordRatio));
// front faces.
geode->addDrawable(createWing(bb.corner(4),bb.corner(6),bb.corner(7),chordRatio,white));
geode->addDrawable(createWing(bb.corner(7),bb.corner(5),bb.corner(4),chordRatio,white));
geode->addDrawable(createWing(bb.corner(4),bb.corner(5),bb.corner(1),chordRatio,white));
geode->addDrawable(createWing(bb.corner(1),bb.corner(0),bb.corner(4),chordRatio,white));
geode->addDrawable(createWing(bb.corner(1),bb.corner(5),bb.corner(7),chordRatio));
geode->addDrawable(createWing(bb.corner(7),bb.corner(3),bb.corner(1),chordRatio));
geode->addDrawable(createWing(bb.corner(1),bb.corner(5),bb.corner(7),chordRatio,white));
geode->addDrawable(createWing(bb.corner(7),bb.corner(3),bb.corner(1),chordRatio,white));
// back faces
geode->addDrawable(createWing(bb.corner(2),bb.corner(0),bb.corner(1),chordRatio));
geode->addDrawable(createWing(bb.corner(1),bb.corner(3),bb.corner(2),chordRatio));
geode->addDrawable(createWing(bb.corner(2),bb.corner(0),bb.corner(1),chordRatio,white));
geode->addDrawable(createWing(bb.corner(1),bb.corner(3),bb.corner(2),chordRatio,white));
geode->addDrawable(createWing(bb.corner(2),bb.corner(3),bb.corner(7),chordRatio));
geode->addDrawable(createWing(bb.corner(7),bb.corner(6),bb.corner(2),chordRatio));
geode->addDrawable(createWing(bb.corner(2),bb.corner(3),bb.corner(7),chordRatio,white));
geode->addDrawable(createWing(bb.corner(7),bb.corner(6),bb.corner(2),chordRatio,white));
geode->addDrawable(createWing(bb.corner(2),bb.corner(6),bb.corner(4),chordRatio));
geode->addDrawable(createWing(bb.corner(4),bb.corner(0),bb.corner(2),chordRatio));
geode->addDrawable(createWing(bb.corner(2),bb.corner(6),bb.corner(4),chordRatio,white));
geode->addDrawable(createWing(bb.corner(4),bb.corner(0),bb.corner(2),chordRatio,white));
return geode;
}
@@ -159,22 +168,42 @@ osg:: Node* createBoxNo5(const osg::BoundingBox& bb,float chordRatio)
{
osg::Geode* geode = osgNew osg::Geode();
// front faces.
geode->addDrawable(createWing(bb.corner(4),bb.corner(6),bb.corner(7),chordRatio));
osg::Vec4 white(1.0f,1.0f,1.0f,1.0f);
geode->addDrawable(createWing(bb.corner(1),bb.corner(0),bb.corner(4),chordRatio));
// front faces.
geode->addDrawable(createWing(bb.corner(4),bb.corner(6),bb.corner(7),chordRatio,white));
geode->addDrawable(createWing(bb.corner(1),bb.corner(0),bb.corner(4),chordRatio,white));
geode->addDrawable(createWing(bb.corner(7),bb.corner(3),bb.corner(1),chordRatio));
geode->addDrawable(createWing(bb.corner(7),bb.corner(3),bb.corner(1),chordRatio,white));
// back faces
geode->addDrawable(createWing(bb.corner(2),bb.corner(0),bb.corner(1),chordRatio));
geode->addDrawable(createWing(bb.corner(1),bb.corner(3),bb.corner(2),chordRatio));
geode->addDrawable(createWing(bb.corner(2),bb.corner(0),bb.corner(1),chordRatio,white));
geode->addDrawable(createWing(bb.corner(1),bb.corner(3),bb.corner(2),chordRatio,white));
geode->addDrawable(createWing(bb.corner(2),bb.corner(3),bb.corner(7),chordRatio));
geode->addDrawable(createWing(bb.corner(7),bb.corner(6),bb.corner(2),chordRatio));
geode->addDrawable(createWing(bb.corner(2),bb.corner(3),bb.corner(7),chordRatio,white));
geode->addDrawable(createWing(bb.corner(7),bb.corner(6),bb.corner(2),chordRatio,white));
geode->addDrawable(createWing(bb.corner(2),bb.corner(6),bb.corner(4),chordRatio));
geode->addDrawable(createWing(bb.corner(4),bb.corner(0),bb.corner(2),chordRatio));
geode->addDrawable(createWing(bb.corner(2),bb.corner(6),bb.corner(4),chordRatio,white));
geode->addDrawable(createWing(bb.corner(4),bb.corner(0),bb.corner(2),chordRatio,white));
return geode;
}
osg:: Node* createBoxNo5No2(const osg::BoundingBox& bb,float chordRatio)
{
osg::Geode* geode = osgNew osg::Geode();
osg::Vec4 red(1.0f,0.0f,0.0f,1.0f);
osg::Vec4 green(0.0f,1.0f,0.0f,1.0f);
osg::Vec4 blue(0.0f,0.0f,1.0f,1.0f);
// front faces.
geode->addDrawable(createWing(bb.corner(4),bb.corner(6),bb.corner(7),chordRatio,red));
geode->addDrawable(createWing(bb.corner(1),bb.corner(0),bb.corner(4),chordRatio,green));
geode->addDrawable(createWing(bb.corner(7),bb.corner(3),bb.corner(1),chordRatio,blue));
return geode;
}
@@ -229,8 +258,8 @@ osg::Node* createLogo()
// add the box and globe to it.
//xform->addChild(createBox(bb,chordRatio));
xform->addChild(createBoxNo5(bb,chordRatio));
//xform->addChild(createBoxNo5(bb,chordRatio));
xform->addChild(createBoxNo5No2(bb,chordRatio));
// add the transform to the group.
logo_group->addChild(xform);
@@ -250,8 +279,7 @@ osg::Node* createLogo()
osg::Group* backdrop = new osg::Group;
backdrop->addChild(createBackdrop(corner,top,right));
osg::Vec3 lightPosition(-500.0f,-2500.0f,500.0f);
//osg::Vec3 lightPosition(-500.0f,-2500.0f,500.0f);
//osg::Node* scene = createShadowedScene(logo_group,backdrop,lightPosition,0.0f,0);
osg::Group* scene = new osg::Group;