Remove detached child from Children vector

transform_hierarchy/main.cpp

@@ -32,6 +32,7 @@
 #include "object_transform.h"
 
 #include <vector>
+#include <iostream>
 #include <list>
 
 ObjectTransform PlayerBase;
@@ -67,6 +68,8 @@ void GameInit()
 	GunModel = LoadModel("resources/blasterD.glb");
 
 	OverlayTexture = LoadRenderTexture(GetScreenWidth(), GetScreenHeight());
+
+
 }
 
 bool GameUpdate()
@@ -92,6 +95,9 @@ bool GameUpdate()
     if (IsKeyDown(KEY_D))
         PlayerBase.MoveH(GetFrameTime() * -10);
 
+	if (IsKeyPressed(KEY_SPACE))
+		GunNode.Detach();
+
 	return true;
 }
 

transform_hierarchy/object_transform.h

@@ -49,6 +49,29 @@ class ObjectTransform
     ObjectTransform* Parent = nullptr;
     std::vector<ObjectTransform*> Children;
 
+    inline ObjectTransform* RemoveChild(ObjectTransform* child)
+    {
+        // if the node has no children, return a null pointer
+        if (Children.empty())
+        {
+            return nullptr;
+        }
+
+        // find the child's position in the children list
+        auto childIter = std::find(Children.begin(), Children.end(), child);
+
+        // if the children list doesn't contain the child, return a nullptr
+        if (childIter == Children.end())
+        {
+            return nullptr;
+        }
+
+        // remove the child
+        Children.erase(childIter);
+
+        return child;
+    }
+
 public:
 
     ObjectTransform(bool faceY = true)
@@ -108,6 +131,8 @@ class ObjectTransform
 
         Orientation = QuaternionFromMatrix(WorldMatrix);
 
+        GetParent()->RemoveChild(this);
+
         Reparent(nullptr);
     }