void TerrainEditTool::initTerrain(Terrain terrain)
{
    for(int polygonIndex = 0; polygonIndex < terrain.size(); polygonIndex++) {
        QPolygonF polygon = terrain.at(polygonIndex);
        if(polygon.size() >= 3) {
            DeformableGraphicsItem *item = new DeformableGraphicsItem();
            _editScene->addItem(item);
            _items.append(item);
            for(int vertexIndex = 0; vertexIndex < polygon.size(); vertexIndex++) {
                qDebug() << vertexIndex;
                QPointF vertex = polygon.at(vertexIndex);
                item->addJoint(vertex);
            }
        } else {
            qDebug() << "TerrainEditTool::initTerrain - Invalid polygon found in terrain, less than 3 vertices.";
        }
    }
}