void Grid::initGeometry(const OSG::Real32 width, const OSG::Real32 height,
const OSG::Real32 granularity,
const Grid::Corner corner,
const OSG::Vec3f& cornerPos,
const OSG::Quaternion& rot,
const OSG::Color3f& color)
{
OSG::SimpleMaterialPtr plane_mat = OSG::SimpleMaterial::create();
#if OSG_MAJOR_VERSION < 2
OSG::CPEditor pme(plane_mat,
OSG::SimpleMaterial::AmbientFieldMask |
OSG::SimpleMaterial::DiffuseFieldMask |
OSG::SimpleMaterial::LitFieldMask |
OSG::SimpleMaterial::TransparencyFieldMask);
#endif
plane_mat->setLit(false);
plane_mat->setAmbient(color);
plane_mat->setDiffuse(color);
plane_mat->setTransparency(0.90f);
OSG::SimpleMaterialPtr line_mat =
#if OSG_MAJOR_VERSION < 2
OSG::SimpleMaterialPtr::dcast(OSG::deepClone(plane_mat));
#else
OSG::cast_dynamic<OSG::SimpleMaterialPtr>(OSG::deepClone(plane_mat));
#endif
#if OSG_MAJOR_VERSION < 2
OSG::CPEditor lme(line_mat, OSG::SimpleMaterial::TransparencyFieldMask);
#endif
line_mat->setTransparency(0.0f);
mPlaneNode = OSG::makePlaneGeo(width, height, 1, 1);
#if OSG_MAJOR_VERSION < 2
OSG::CPEditor pne(mPlaneNode.core(), OSG::Geometry::MaterialFieldMask);
#endif
mPlaneNode->setMaterial(plane_mat);
const float half_width(width / 2.0f);
const float half_height(height / 2.0f);
std::cout << "Corner = " << cornerPos << std::endl;
OSG::Vec3f center_pt;
switch ( corner )
{
case LOWER_LEFT:
center_pt[0] = cornerPos[0] + half_width;
center_pt[1] = cornerPos[1] + half_height;
center_pt[2] = cornerPos[2];
break;
case LOWER_RIGHT:
center_pt[0] = cornerPos[0] - half_width;
center_pt[1] = cornerPos[1] + half_height;
center_pt[2] = cornerPos[2];
break;
case UPPER_RIGHT:
center_pt[0] = cornerPos[0] - half_width;
center_pt[1] = cornerPos[1] - half_height;
center_pt[2] = cornerPos[2];
break;
case UPPER_LEFT:
center_pt[0] = cornerPos[0] + half_width;
center_pt[1] = cornerPos[1] - half_height;
center_pt[2] = cornerPos[2];
break;
}
std::cout << "Center = " << center_pt << std::endl;
mRoot = OSG::Transform::create();
OSG::Matrix xform;
xform.setTransform(center_pt, rot, OSG::Vec3f(1.0f, 1.0f, 1.0f),
OSG::Quaternion(), cornerPos - center_pt);
move(xform);
OSG::GeoPTypesPtr type = OSG::GeoPTypesUI8::create();
#if OSG_MAJOR_VERSION < 2
OSG::CPEditor te(type, OSG::GeoPTypesUI8::GeoPropDataFieldMask);
#endif
type->addValue(GL_LINES);
unsigned int vertex_count(0);
OSG::GeoPositions3fPtr pos = OSG::GeoPositions3f::create();
#if OSG_MAJOR_VERSION < 2
OSG::CPEditor pe(pos, OSG::GeoPositions3f::GeoPropDataFieldMask);
#endif
for ( float i = -half_width; i <= half_width; i += granularity )
{
pos->addValue(OSG::Pnt3f(i, -half_height, 0.0f));
pos->addValue(OSG::Pnt3f(i, half_height, 0.0f));
vertex_count += 2;
}
for ( float i = -half_height; i <= half_height; i += granularity )
{
pos->addValue(OSG::Pnt3f(-half_width, i, 0.0f));
pos->addValue(OSG::Pnt3f(half_width, i, 0.0f));
vertex_count += 2;
}
// std::cout << "vertex_count = " << vertex_count << std::endl;
OSG::GeoPLengthsPtr length = OSG::GeoPLengthsUI32::create();
#if OSG_MAJOR_VERSION < 2
OSG::CPEditor le(length, OSG::GeoPLengthsUI32::GeoPropDataFieldMask);
#endif
length->addValue(vertex_count);
OSG::GeoNormals3fPtr norms = OSG::GeoNormals3f::create();
#if OSG_MAJOR_VERSION < 2
OSG::CPEditor ne(norms, OSG::GeoNormals3f::GeoPropDataFieldMask);
#endif
for ( unsigned int i = 0; i < vertex_count; ++i )
{
norms->addValue(OSG::Vec3f(0.0f, 0.0f, 1.0f));
}
mGridNode = OSG::Geometry::create();
#if OSG_MAJOR_VERSION < 2
OSG::CPEditor gnce(mGridNode.core(),
OSG::Geometry::TypesFieldMask |
OSG::Geometry::LengthsFieldMask |
OSG::Geometry::PositionsFieldMask |
OSG::Geometry::NormalsFieldMask |
OSG::Geometry::MaterialFieldMask);
#endif
mGridNode->setTypes(type);
mGridNode->setLengths(length);
mGridNode->setPositions(pos);
mGridNode->setNormals(norms);
mGridNode->setMaterial(line_mat);
#if OSG_MAJOR_VERSION < 2
OSG::CPEditor re(mRoot.node(), OSG::Node::ChildrenFieldMask);
#endif
mRoot.node()->addChild(mGridNode);
mRoot.node()->addChild(mPlaneNode);
setSelected(false);
}
