add GlutPrimitiveNode-ConeSupport

libs_required/ACG/Scenegraph/GlutPrimitiveNode.cc

@@ -75,6 +75,7 @@ GlutPrimitiveNode::GlutPrimitiveNode( BaseNode*                 _parent,
   const int stacks = 20;
 
   sphere_   = new ACG::GLSphere(slices,stacks);
+  cone_     = new ACG::GLCone(slices, stacks, 1.0, 0, true, false);
 };
 
 //----------------------------------------------------------------------------
@@ -93,6 +94,7 @@ GlutPrimitiveNode::GlutPrimitiveNode(GlutPrimitiveType    _type,
   primitives_.push_back(p);
 
   sphere_ = new ACG::GLSphere(slices, stacks);
+  cone_     = new ACG::GLCone(slices, stacks, 1.0, 0, true, false);
 }
 
 void 
@@ -451,7 +453,12 @@ getRenderObjects(IRenderer* _renderer, GLState&  _state , const DrawModes::DrawM
         ro.debugName = std::string("glutprimitive.sphere no ") + std::to_string(i) + ": " + name();
 
         sphere_->addToRenderer(_renderer, &ro, primitives_[i].size);
+        break;
 
+      case CONE:
+        //Cone
+        ro.debugName = std::string("glutprimitive.cone no ") + std::to_string(i) + ": " + name();
+        cone_->addToRenderer(_renderer, &ro, primitives_[i].innersize);
         break;
 
       default:

libs_required/ACG/Scenegraph/GlutPrimitiveNode.hh

@@ -178,7 +178,12 @@ public:
 
 
   /// destructor
-  virtual ~GlutPrimitiveNode() {}
+  virtual ~GlutPrimitiveNode() {
+    if(sphere_)
+      delete sphere_;
+    if(cone_)
+      delete cone_;
+  }
 
   /**
    * Adds a primitive and returns its index.
@@ -241,6 +246,7 @@ private:
   
   // Sphere rendering
   ACG::GLSphere*   sphere_;
+  ACG::GLCone*   cone_;
 
 };