fixed label node depth issue

src/scene/gui/backgroundnode.cpp

@@ -16,7 +16,7 @@ BackGroundNode::BackGroundNode(glm::vec2 dimension, glm::vec3 color, float opaci
     m_opacity(opacity),
     m_opacity_updated(false)
 {
-    Mesh* mesh = new Mesh();
+    Mesh* mesh = new Mesh("background");
     mesh->addRectangle2D(glm::vec2(0),dimension);
     PhongMaterial *mat = new PhongMaterial();
     mat->diffuse = color;

src/scene/gui/labelnode.cpp

@@ -7,6 +7,8 @@
 
 #include <iostream>
 
+#define LABEL_TEXT_DEPTH 15
+
 LabelNode::LabelNode():
     m_string(""),
     m_color(glm::vec3(1,1,1))
@@ -14,7 +16,7 @@ LabelNode::LabelNode():
     Font* font = RESOURCE_GET(Font,"shellfont");
     m_text = font->getTextNode(m_string,m_color,32);
     if(m_text){
-        m_text->setDepth(15);
+        m_text->setDepth(LABEL_TEXT_DEPTH);
         addChild(m_text);
     }
 }
@@ -46,10 +48,15 @@ void LabelNode::update(){
     if(m_was_updated)
         m_was_updated = false;
     if(m_string_updated){
+        if(m_text != nullptr)
+        {
             removeChild(m_text);
             delete(m_text);
+        }
         Font* font = RESOURCE_GET(Font,"shellfont");
         m_text = font->getTextNode(m_string,m_color,32);
+        m_text->setDepth(LABEL_TEXT_DEPTH);
+        m_text->getGeometryNode()->mesh->setName("labelText");
         addChild(m_text);
         m_string_updated= false;
         m_color_updated=false;

src/scene/gui/scrollbarnode.cpp

@@ -17,7 +17,7 @@ ScrollBarNode::ScrollBarNode(glm::vec2 dimension, glm::vec3 bar_color):
     m_bar_resized(false),
     m_bar_moved(false)
 {
-    Mesh* mesh = new Mesh();
+    Mesh* mesh = new Mesh("scrollbar");
     mesh->addRectangle2D(glm::vec2(0),m_dimension);
     PhongMaterial* mat = new PhongMaterial();
     mat->diffuse = m_bar_color;

src/sparrowshell/sparrowshell.cpp

@@ -78,6 +78,9 @@ void SparrowShell::out(std::string str,glm::vec3 color)
 {
     Font *shellfont = RESOURCE_GET(Font,"shellfont");
     TextNode* tnode = shellfont->getTextNode(str,color,m_buffer->getFontSize(),false);
+    std::string name = "shellTextLine";
+    name += m_buffer->size();
+    tnode->getGeometryNode()->mesh->setName(name);
     tnode->setDepth(SHELL_DEPTH+1);
     m_buffer->push(tnode);
     scrollDown();