// Create a default render property with a boulder sprite
RenderProperty* defaultRenderProperty = new RenderProperty(); // Create a Default RenderProperty
defaultRenderProperty->frames.push_back(&mTheApp->mTileTextureManager["boulder"]); // With the boulder texture
defaultRenderProperty->visible = true; // Visible by default
mTheApp->mDefaultProperties.push_front(defaultRenderProperty); // Add it to the default properties list so we can delete it in the destructor

// Create a boulder prototype
Prototype boulder(mTheApp->mNextEntityID);
boulder.mTheApp = mTheApp; // Link it to the app
boulder.AddSystem(mTheApp->mAnimationSystem); // Add the Animation System so it's visible
boulder.AddDefaultProperty(RENDER, defaultRenderProperty); // Assign the property to the prototype

// Add the prototype to the list
mTheApp->mPrototypes.insert(std::make_pair("boulder",boulder));

// Change the prototype we'll place on a tile
mPlacementPrototype = &mTheApp->mPrototypes.find("boulder")->second;

// Make a new Instance
InstanceID newEntity = mPlacementPrototype->MakeInstance();
// Add it to the clicked tile
clickedTile->AddEntity(newEntity, true);

// Get a modifiable pointer to the properties so we can make changes
RenderProperty* entityRenderProps = mTheApp.mRenderProperties.Get(newEntity);