put lightpos in camera ref frame > fixed spec but check diffuse...

hw3d/App.cpp

@@ -53,7 +53,7 @@ void App::DoFrame()
 	const auto dt = timer.Mark() * speed_factor;
 	wnd.Gfx().BeginFrame( 0.07f,0.0f,0.12f );
 	wnd.Gfx().SetCamera( cam.GetMatrix() );
-	light.Bind( wnd.Gfx() );
+	light.Bind( wnd.Gfx(),cam.GetMatrix() );
 
 	for( auto& d : drawables )
 	{
@@ -65,7 +65,7 @@ void App::DoFrame()
 	// imgui window to control simulation speed
 	if( ImGui::Begin( "Simulation Speed" ) )
 	{
-		ImGui::SliderFloat( "Speed Factor",&speed_factor,0.0f,4.0f );
+		ImGui::SliderFloat( "Speed Factor",&speed_factor,0.0f,6.0f,"%.4f",3.2f );
 		ImGui::Text( "%.3f ms/frame (%.1f FPS)",1000.0f / ImGui::GetIO().Framerate,ImGui::GetIO().Framerate );
 		ImGui::Text( "Status: %s",wnd.kbd.KeyIsPressed( VK_SPACE ) ? "PAUSED" : "RUNNING (hold spacebar to pause)" );
 	}

hw3d/PointLight.cpp

@@ -55,8 +55,11 @@ void PointLight::Draw( Graphics& gfx ) const noexcept(!IS_DEBUG)
 	mesh.Draw( gfx );
 }
 
-void PointLight::Bind( Graphics& gfx ) const noexcept
+void PointLight::Bind( Graphics& gfx,DirectX::FXMMATRIX view ) const noexcept
 {
-	cbuf.Update( gfx,cbData );
+	auto dataCopy = cbData;
+	const auto pos = DirectX::XMLoadFloat3( &cbData.pos );
+	DirectX::XMStoreFloat3( &dataCopy.pos,DirectX::XMVector3Transform( pos,view ) );
+	cbuf.Update( gfx,dataCopy );
 	cbuf.Bind( gfx );
 }

hw3d/PointLight.h

@@ -10,7 +10,7 @@ public:
 	void SpawnControlWindow() noexcept;
 	void Reset() noexcept;
 	void Draw( Graphics& gfx ) const noexcept(!IS_DEBUG);
-	void Bind( Graphics& gfx ) const noexcept;
+	void Bind( Graphics& gfx,DirectX::FXMMATRIX view ) const noexcept;
 private:
 	struct PointLightCBuf
 	{