GL_Window::GL_Window(int x, int y, int w, int h, const char *label):
Fl_Gl_Window(x, y, w, h, label)
{
_gw = new osgViewer::GraphicsWindowEmbedded(x,y,w,h);
root = new osg::Group;
geode = new osg::Geode;
osg::ref_ptr<osg::Capsule> myCapsule (new osg::Capsule(osg::Vec3f(),1,2));
osg::ref_ptr<osg::Box> myBox (new osg::Box(osg::Vec3f(),2,2,2));
osg::ref_ptr<osg::Cylinder> myCylinder (new osg::Cylinder(osg::Vec3f(),.75,2.5));
osg::ref_ptr<osg::Sphere> mySphere (new osg::Sphere(osg::Vec3f(),1.5));
osg::ref_ptr<osg::Cone> myCone (new osg::Cone(osg::Vec3f(),1,2));
shape_vec.push_back(new osg::ShapeDrawable(myBox.get()));
shape_vec.push_back(new osg::ShapeDrawable(myCapsule.get()));
shape_vec.push_back(new osg::ShapeDrawable(myCone.get()));
shape_vec.push_back(new osg::ShapeDrawable(myCylinder.get()));
shape_vec.push_back(new osg::ShapeDrawable(mySphere.get()));
geode->addDrawable(shape_vec[1].get()); // default shape to pick from
root->addChild(geode.get());
stateset = geode->getOrCreateStateSet();
// initial material properties
diffuse_color.set(1, 1, 1, 1.0);
specular_color.set(1,1,1,1);
ambient_color.set(1,1,1,1);
shininess = 10;
alpha = 1;
// apply the properties to the material
material = new osg::Material;
material->setDiffuse(osg::Material::FRONT, diffuse_color);
material->setSpecular(osg::Material::FRONT, specular_color);
material->setShininess(osg::Material::FRONT, shininess);
material->setAmbient(osg::Material::FRONT, ambient_color);
stateset->setAttribute(material.get());
//stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
texture = new osg::Texture2D;
getCamera()->setViewport(new osg::Viewport(0,0,w,h));
getCamera()->setProjectionMatrixAsPerspective(30.0f, static_cast<double>(w)/static_cast<double>(h), 1.0f, 10000.0f);
getCamera()->setGraphicsContext(_gw.get());
setSceneData(root.get());
setCameraManipulator(new osgGA::TrackballManipulator);
addEventHandler(new osgViewer::StatsHandler);
setThreadingModel(osgViewer::Viewer::SingleThreaded);
}
static Bool
draw_moebius_ant(moebiusstruct * mp, const float *Material, int mono)
{
float cos1 = cos(mp->ant_step);
float cos2 = cos(mp->ant_step + 2 * Pi / 3);
float cos3 = cos(mp->ant_step + 4 * Pi / 3);
float sin1 = sin(mp->ant_step);
float sin2 = sin(mp->ant_step + 2 * Pi / 3);
float sin3 = sin(mp->ant_step + 4 * Pi / 3);
if (mono)
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, MaterialGray5);
else
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, Material);
glEnable(GL_CULL_FACE);
glPushMatrix();
glScalef(1, 1.3, 1);
if (!mySphere(0.18))
return False;
glScalef(1, 1 / 1.3, 1);
glTranslatef(0.00, 0.30, 0.00);
if (!mySphere(0.2))
return False;
glTranslatef(-0.05, 0.17, 0.05);
glRotatef(-90, 1, 0, 0);
glRotatef(-25, 0, 1, 0);
if (!myCone(0.05))
return False;
glTranslatef(0.00, 0.10, 0.00);
if (!myCone(0.05))
return False;
glRotatef(25, 0, 1, 0);
glRotatef(90, 1, 0, 0);
glScalef(1, 1.3, 1);
glTranslatef(0.15, -0.65, 0.05);
if (!mySphere(0.25))
return False;
glScalef(1, 1 / 1.3, 1);
glPopMatrix();
glDisable(GL_CULL_FACE);
glDisable(GL_LIGHTING);
/* ANTENNAS */
glBegin(GL_LINES);
if (mono)
glColor3fv(MaterialGray5);
else
glColor3fv(Material);
glVertex3f(0.00, 0.30, 0.00);
glColor3fv(MaterialGray);
glVertex3f(0.40, 0.70, 0.40);
if (mono)
glColor3fv(MaterialGray5);
else
glColor3fv(Material);
glVertex3f(0.00, 0.30, 0.00);
glColor3fv(MaterialGray);
glVertex3f(0.40, 0.70, -0.40);
glEnd();
glBegin(GL_POINTS);
if (mono)
glColor3fv(MaterialGray6);
else
glColor3fv(MaterialRed);
glVertex3f(0.40, 0.70, 0.40);
glVertex3f(0.40, 0.70, -0.40);
glEnd();
/* LEFT-FRONT ARM */
glBegin(GL_LINE_STRIP);
if (mono)
glColor3fv(MaterialGray5);
else
glColor3fv(Material);
glVertex3f(0.00, 0.05, 0.18);
glVertex3f(0.35 + 0.05 * cos1, 0.15, 0.25);
glColor3fv(MaterialGray);
glVertex3f(-0.20 + 0.05 * cos1, 0.25 + 0.1 * sin1, 0.45);
glEnd();
/* LEFT-CENTER ARM */
glBegin(GL_LINE_STRIP);
if (mono)
glColor3fv(MaterialGray5);
else
glColor3fv(Material);
glVertex3f(0.00, 0.00, 0.18);
glVertex3f(0.35 + 0.05 * cos2, 0.00, 0.25);
glColor3fv(MaterialGray);
glVertex3f(-0.20 + 0.05 * cos2, 0.00 + 0.1 * sin2, 0.45);
glEnd();
/* LEFT-BACK ARM */
glBegin(GL_LINE_STRIP);
if (mono)
glColor3fv(MaterialGray5);
else
glColor3fv(Material);
glVertex3f(0.00, -0.05, 0.18);
glVertex3f(0.35 + 0.05 * cos3, -0.15, 0.25);
glColor3fv(MaterialGray);
glVertex3f(-0.20 + 0.05 * cos3, -0.25 + 0.1 * sin3, 0.45);
glEnd();
/* RIGHT-FRONT ARM */
glBegin(GL_LINE_STRIP);
if (mono)
glColor3fv(MaterialGray5);
else
glColor3fv(Material);
glVertex3f(0.00, 0.05, -0.18);
glVertex3f(0.35 - 0.05 * sin1, 0.15, -0.25);
glColor3fv(MaterialGray);
glVertex3f(-0.20 - 0.05 * sin1, 0.25 + 0.1 * cos1, -0.45);
glEnd();
/* RIGHT-CENTER ARM */
glBegin(GL_LINE_STRIP);
if (mono)
glColor3fv(MaterialGray5);
else
glColor3fv(Material);
glVertex3f(0.00, 0.00, -0.18);
glVertex3f(0.35 - 0.05 * sin2, 0.00, -0.25);
glColor3fv(MaterialGray);
glVertex3f(-0.20 - 0.05 * sin2, 0.00 + 0.1 * cos2, -0.45);
glEnd();
/* RIGHT-BACK ARM */
glBegin(GL_LINE_STRIP);
if (mono)
glColor3fv(MaterialGray5);
else
glColor3fv(Material);
glVertex3f(0.00, -0.05, -0.18);
glVertex3f(0.35 - 0.05 * sin3, -0.15, -0.25);
glColor3fv(MaterialGray);
glVertex3f(-0.20 - 0.05 * sin3, -0.25 + 0.1 * cos3, -0.45);
glEnd();
glBegin(GL_POINTS);
if (mono)
glColor3fv(MaterialGray8);
else
glColor3fv(MaterialMagenta);
glVertex3f(-0.20 + 0.05 * cos1, 0.25 + 0.1 * sin1, 0.45);
glVertex3f(-0.20 + 0.05 * cos2, 0.00 + 0.1 * sin2, 0.45);
glVertex3f(-0.20 + 0.05 * cos3, -0.25 + 0.1 * sin3, 0.45);
glVertex3f(-0.20 - 0.05 * sin1, 0.25 + 0.1 * cos1, -0.45);
glVertex3f(-0.20 - 0.05 * sin2, 0.00 + 0.1 * cos2, -0.45);
glVertex3f(-0.20 - 0.05 * sin3, -0.25 + 0.1 * cos3, -0.45);
glEnd();
glEnable(GL_LIGHTING);
mp->ant_step += 0.3;
return True;
}