修改OpenGl渲染底层之前

source/EngineFrame/Base/BaseNode.cpp

@@ -32,6 +32,18 @@ void BaseNode::Update(float deltaTime)
     }
 }
 
+void BaseNode::PreRender()
+{
+    // 如果有子节点并含有渲染标签，则渲染子节点
+    RefPtr<BaseNode> child = m_BaseNodes.GetFirst();
+    while (child)
+    {
+        if (child->hasTag(Tag::RENDER))
+            child->PreRender();
+        child = child->GetNext();
+    }
+}
+
 void BaseNode::Render()
 {
     // 如果有子节点并含有渲染标签，则渲染子节点
@@ -150,6 +162,11 @@ void BaseNode::RemoveChild(RefPtr<BaseNode> child)
     m_BaseNodes.Remove(child);
 }
 
+void BaseNode::RemoveAllChild()
+{
+    m_BaseNodes.Clear();
+}
+
 void BaseNode::OnAdded(BaseNode *node)
 {
     m_Parent = node;
@@ -197,6 +214,11 @@ VecFPos BaseNode::GetPos()
     return this->transform.position;
 }
 
+VecFPos BaseNode::GetWorldPos()
+{
+    return this->transform.position + this->transformIter.position;
+}
+
 void BaseNode::SetScale(VecFPos scale)
 {
     if (scale == this->transform.scale)
@@ -261,6 +283,16 @@ bool BaseNode::GetVisible()
     return this->Visible;
 }
 
+void BaseNode::SetAlpha(float alpha)
+{
+    this->Alpha = alpha;
+}
+
+float BaseNode::GetAlpha()
+{
+    return this->Alpha;
+}
+
 void BaseNode::SetIterationPos(VecFPos pos)
 {
     if (pos == this->transformIter.position)