Hello,
Consider if I have a mesh file constructed from 2 geometries: a cube,
and a pyramid on top of the cube, representing a simple house. When I
load this house it is pulled into OSG as a single Geode composed of 2
Geometry instances.
I have 2 image files for this house: a brown brick house texture and a
black shingle texture which can be applied to the 2 geometries of the
house mesh. Now consider if I have 2 more textures: a dark grey vinyl
siding texture, and a dark green metal roof texture. If I keep producing
more image files you can imagine all the different possibilities I might
have in constructing a home.
Now consider if I want to make a row of 25 houses:
osg::Group * rootOfScene = new osg::Group;
osg::Node * houseGeode = osgDB::readNodeFile("house-mesh.ext");
for (int i = 0; i < 25; i++)
{
osg::PositionAttitudeTransform * transform = new
osg::PositionAttitudeTransform;
transform->setPosition(osg::Vec3d(i * 20.f, 0, 0));
transform->addChild(houseGeode);
rootOfScene->addChild(transform);
}
What is the most efficient way to apply these different texture sets so
that I can have a row of houses, each with different textures being
applied to the cube mesh and the pyramid mesh?
Any help is greatly appreciated.
Thank you,
Aaron
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