diff --git a/src/character.cpp b/src/character.cpp
index 2b69044..ffd1a39 100644
--- a/src/character.cpp
+++ b/src/character.cpp
@@ -95,7 +95,7 @@ namespace cloonel {
 	void Character::Draw() const {
 		m_texture->Render(GetPos(), WidthHeight(), m_screenRatio.Ratio(), true);
 #if defined(WITH_DEBUG_VISUALS)
-		m_bottomBarDrawable.Render(GetPos(), m_screenRatio.Ratio());
+		m_bottomBarDrawable.Render(m_bottomBar.From(), m_screenRatio.Ratio());
 #endif
 	}
 
diff --git a/src/drawableline.hpp b/src/drawableline.hpp
index e0cc3a2..25a0757 100644
--- a/src/drawableline.hpp
+++ b/src/drawableline.hpp
@@ -37,15 +37,15 @@ namespace cloonel {
 		explicit DrawableLine ( SDLMain* parMain, Colour parColour );
 		DrawableLine ( SDLMain* parMain, Colour parColour, const LineBase& parLine );
 		DrawableLine ( SDLMain* parMain, Colour parColour, const LineBase::Point& parStart, const LineBase::Point& parEnd );
-		DrawableLine ( const DrawableLine& parOther ) = default;
+		DrawableLine ( const DrawableLine& ) = default;
 		virtual ~DrawableLine ( void ) noexcept = default;
 
-		DrawableLine& operator= ( const DrawableLine& ) = delete;
+		DrawableLine& operator= ( const DrawableLine& ) = default;
 
 		void Render ( const float2& parPos, const float2& parScaling ) const;
 
 	private:
-		SDLMain* const m_sdlmain;
+		SDLMain* m_sdlmain;
 		Colour m_colour;
 	};
 
diff --git a/src/platform.cpp b/src/platform.cpp
index 4b8b269..51ece8a 100644
--- a/src/platform.cpp
+++ b/src/platform.cpp
@@ -32,6 +32,9 @@ namespace cloonel {
 		m_size(parSize),
 		m_collisionTop(new HorzCollisionBar(parPos, parSize.x())),
 		m_surface(parTexture)
+#if defined(WITH_DEBUG_VISUALS)
+		, m_collisionTopDrawable(parSdlMain, Colour(215, 181, 3), static_cast<short2>(parPos), static_cast<short2>(parPos + float2(parSize.x(), 0.0f)))
+#endif
 	{
 		assert(m_surface);
 	}
@@ -44,6 +47,9 @@ namespace cloonel {
 		m_size(parOther.m_size),
 		m_collisionTop(std::move(parOther.m_collisionTop)),
 		m_surface(parOther.m_surface)
+#if defined(WITH_DEBUG_VISUALS)
+		, m_collisionTopDrawable(parOther.m_collisionTopDrawable)
+#endif
 	{
 	}
 
@@ -56,6 +62,9 @@ namespace cloonel {
 	///--------------------------------------------------------------------------
 	void Platform::Draw() const {
 		m_surface->Render(TopLeft(), m_size, m_screenRatio.Ratio(), true);
+#if defined(WITH_DEBUG_VISUALS)
+		m_collisionTopDrawable.Render(m_collisionTop->From(), m_screenRatio.Ratio());
+#endif
 	}
 
 	///--------------------------------------------------------------------------
@@ -66,6 +75,9 @@ namespace cloonel {
 
 		m_size = parOther.m_size;
 		m_surface = parOther.m_surface;
+#if defined(WITH_DEBUG_VISUALS)
+		m_collisionTopDrawable = parOther.m_collisionTopDrawable;
+#endif
 		return *this;
 	}
 
diff --git a/src/platform.hpp b/src/platform.hpp
index a2130cf..d6d23a5 100644
--- a/src/platform.hpp
+++ b/src/platform.hpp
@@ -24,6 +24,9 @@
 #include "drawable.hpp"
 #include "placeable.hpp"
 #include "collidertypedef.hpp"
+#if defined(WITH_DEBUG_VISUALS)
+# include "drawableline.hpp"
+#endif
 #include <memory>
 #include <vector>
 
@@ -60,6 +63,9 @@ namespace cloonel {
 		ColliderUnregisterFunc m_unregisterFromCollider;
 		std::unique_ptr<HorzCollisionBar> m_collisionTop;
 		Texture* m_surface;
+#if defined(WITH_DEBUG_VISUALS)
+		DrawableLine m_collisionTopDrawable;
+#endif
 	};
 } //namespace cloonel