void drawHierarchicalObjects(std::vector<Shape*> shapes) {
if (shapes.size() == 0) return;
glPushMatrix();
for(std::vector<Shape*>::iterator itr = shapes.begin(); itr != shapes.end(); ++itr) {
Shape * s = *itr;
glPushMatrix();
glTranslated(s->getOffset()[0], s->getOffset()[1], 0); // children should take on the parent's position, not the scale
/* draw any render text in the shape */
std::vector<RenderText*> renderTexts = s->getRenderTexts();
for (std::vector<RenderText*>::iterator itrText = renderTexts.begin(); itrText != renderTexts.end(); itrText++) {
RenderText * rt = *itrText;
glColor3f(rt->getColor()[0], rt->getColor()[1], rt->getColor()[2]);
glPushMatrix();
glTranslated(rt->getOffset()[0], rt->getOffset()[1], rt->getOffset()[2]);
glScaled(rt->getScaling()[0], rt->getScaling()[1], rt->getScaling()[2]);
for(int i = 0; i < rt->getText().size(); i++) {
glTranslated(10, 0.0, 0.0); // extra space between the letters so its more readable
glutStrokeCharacter(GLUT_STROKE_ROMAN, rt->getText().at(i));
}
glPopMatrix();
glPushMatrix();
drawHierarchicalObjects(rt->getChildren());
glPopMatrix();
}
glPushMatrix();
glScaled(s->getScaling()[0], s->getScaling()[1], 0);
glColor3f(s->getColor()[0], s->getColor()[1], s->getColor()[2]);
glBegin(s->shapeType);
std::vector<Vertex3> vertices = s->getVerticies();
for(std::vector<Vertex3>::iterator iterVertices = vertices.begin();
iterVertices != vertices.end();
++iterVertices)
{
Vertex3 v = *iterVertices;
glVertex3f(v.getX(), v.getY(), v.getZ());
}
glEnd();
glPopMatrix();
drawHierarchicalObjects(s->getChildren());
glPopMatrix();
}
glPopMatrix();
}
