osg::ref_ptr<osg::Node> OSGTriangleMeshVisualizer::createTriangleMeshNode(ITriangleMesh* mesh, float red, float green, float blue, float alpha) {
osg::ref_ptr<osg::Geode> geode = new osg::Geode;
osg::ref_ptr<osg::TriangleMesh> osgMesh = createTriangleMesh(mesh);
osg::ref_ptr<osg::ShapeDrawable> drawable = new osg::ShapeDrawable(osgMesh);
drawable->setColor(osg::Vec4(red, green, blue, alpha)); // TODO: changeable colors...
geode->addDrawable(drawable);
geode->setDataVariance(osg::Object::DYNAMIC);
// osg::Group* group = new osg::Group;
osg::ref_ptr<osg::Group> group = new osg::Group;
group->addChild(geode);
return group;
}
void TriangleSample::initialize()
{
// Create the font for drawing the framerate.
_font = Font::create("res/ui/arial.gpb");
// Create an orthographic projection matrix.
float width = getWidth() / (float)getHeight();
float height = 1.0f;
Matrix::createOrthographic(width, height, -1.0f, 1.0f, &_worldViewProjectionMatrix);
// Create the triangle mesh.
Mesh* mesh = createTriangleMesh();
// Create a model for the triangle mesh. A model is an instance of a Mesh that can be drawn with a specified material.
_model = Model::create(mesh);
SAFE_RELEASE(mesh);
// Create a material from the built-in "colored-unlit" vertex and fragment shaders.
// This sample doesn't use lighting so the unlit shader is used.
// This sample uses vertex color so VERTEX_COLOR is defined. Look at the shader source files to see the supported defines.
_model->setMaterial("res/shaders/colored.vert", "res/shaders/colored.frag", "VERTEX_COLOR");
}
PxTriangleMesh* createTriangleMesh( osg::Node& node )
{
GeometryDataCollector collector;
node.accept( collector );
std::vector<PxVec3> verts;
for ( unsigned int i=0; i<collector.vertices.size(); ++i )
{
const osg::Vec3& v = collector.vertices[i];
verts.push_back( PxVec3(v[0], v[1], v[2]) );
}
std::vector<PxU32> indices;
for ( unsigned int i=0; i<collector.faces.size(); ++i )
{
const GeometryDataCollector::GeometryFace& f = collector.faces[i];
indices.push_back( f.indices[0] );
indices.push_back( f.indices[1] );
indices.push_back( f.indices[2] );
}
if ( !verts.size() || !indices.size() ) return NULL;
return createTriangleMesh(verts, indices);
}
void MeshPrimitiveTest::initialize()
{
// Create the font for drawing the framerate.
_font = Font::create("res/common/arial18.gpb");
// Create an orthographic projection matrix.
float width = getWidth() / (float)getHeight();
float height = 1.0f;
Matrix::createOrthographic(width, height, -1.0f, 1.0f, &_viewProjectionMatrix);
// Create a model for the triangle mesh. A model is an instance of a Mesh that can be drawn with a specified material.
Mesh* triangleMesh = createTriangleMesh();
_triangles = Model::create(triangleMesh);
SAFE_RELEASE(triangleMesh);
// Create a material from the built-in "colored-unlit" vertex and fragment shaders.
// This sample doesn't use lighting so the unlit shader is used.
// This sample uses vertex color so VERTEX_COLOR is defined. Look at the shader source files to see the supported defines.
_triangles->setMaterial("res/shaders/colored-unlit.vert", "res/shaders/colored-unlit.frag", "VERTEX_COLOR");
Mesh* triangleStripMesh = createTriangleStripMesh();
_triangleStrip = Model::create(triangleStripMesh);
SAFE_RELEASE(triangleStripMesh);
Material* material = _triangleStrip->setMaterial("res/shaders/colored-unlit.vert", "res/shaders/colored-unlit.frag", "VERTEX_COLOR");
material->getStateBlock()->setDepthTest(true);
material->getStateBlock()->setDepthWrite(true);
Mesh* lineStripMesh = createLineStripMesh();
_lineStrip = Model::create(lineStripMesh);
SAFE_RELEASE(lineStripMesh);
_lineStrip->setMaterial("res/shaders/colored-unlit.vert", "res/shaders/colored-unlit.frag", "VERTEX_COLOR");
Mesh* lineMesh = createLinesMesh();
_lines = Model::create(lineMesh);
SAFE_RELEASE(lineMesh);
_lines->setMaterial("res/shaders/colored-unlit.vert", "res/shaders/colored-unlit.frag", "VERTEX_COLOR");
}
