diff --git a/GDP/D3D9/Light.cpp b/GDP/D3D9/Light.cpp
index e40b6a1..1fe6d31 100644
--- a/GDP/D3D9/Light.cpp
+++ b/GDP/D3D9/Light.cpp
@@ -1,7 +1,10 @@
 #include "Light.h"
 
-UINT Light::init()
+UINT Light::init(D3DLIGHT9& lightData, UINT id)
 {
+    _lightData = lightData;
+    _id = id;
+
     return 0;
 }
 
@@ -11,6 +14,8 @@ void Light::update(FLOAT dt)
 
 void Light::render(IDirect3DDevice9* pD3DDevice)
 {
+    pD3DDevice->SetLight(_id, &_lightData);
+    pD3DDevice->LightEnable(_id, TRUE);
 }
 
 void Light::deInit()
diff --git a/GDP/D3D9/Light.h b/GDP/D3D9/Light.h
index 51f6010..e3e3e0f 100644
--- a/GDP/D3D9/Light.h
+++ b/GDP/D3D9/Light.h
@@ -4,9 +4,13 @@
 class Light
 {
 public:
-	UINT init();
+	UINT init(D3DLIGHT9& lightData, UINT id = 0);
 	void update(FLOAT dt);
 	void render(IDirect3DDevice9* pD3DDevice);
 	void deInit();
+
+private:
+	D3DLIGHT9 _lightData = {};
+	UINT _id = 0;
 };
 
diff --git a/GDP/D3D9/Material.cpp b/GDP/D3D9/Material.cpp
index e1ae343..2a23061 100644
--- a/GDP/D3D9/Material.cpp
+++ b/GDP/D3D9/Material.cpp
@@ -11,6 +11,16 @@ UINT Material::init(IDirect3DDevice9* pD3DDevice, LPCWSTR textureFileName)
     HRESULT hr = CreateWICTextureFromFile(pD3DDevice, textureFileName, &_pTexture, 0, WIC_LOADER_MIP_AUTOGEN);
     CheckFailed(hr, 600);
 
+    // set material
+    D3DMATERIAL9 material = {};
+    material.Ambient = { 1.0f, 1.0f, 1.0f, 1.0f };
+    material.Diffuse = { 1.0f, 1.0f, 1.0f, 1.0f };
+    material.Specular = { 1.0f, 1.0f, 1.0f, 1.0f };
+    material.Emissive = { 0.0f, 0.0f, 0.0f, 1.0f };
+    material.Power = 1024.0f;
+
+    pD3DDevice->SetMaterial(&material);
+
     return 0;
 }
 
diff --git a/GDP/D3D9/Mesh.cpp b/GDP/D3D9/Mesh.cpp
index f6e91ba..ddd6330 100644
--- a/GDP/D3D9/Mesh.cpp
+++ b/GDP/D3D9/Mesh.cpp
@@ -123,10 +123,11 @@ UINT Mesh::createVertexBuffer(IDirect3DDevice9* pD3DDevice)
 
     //// quad with trianglefan
     //// quad with trianglelist & index buffer
-    pVertices[0] = Vertex(-0.5f, 0.5f, 0.0f, 0.0f, 0.0f);
-    pVertices[1] = Vertex(0.5f, 0.5f, 0.0f, 1.0f, 0.0f);
-    pVertices[2] = Vertex(0.5f, -0.5f, 0.0f, 1.0f, 1.0f);
-    pVertices[3] = Vertex(-0.5f, -0.5f, 0.0f, 0.0f, 1.0f);
+    // uv & normal
+    pVertices[0] = Vertex(-0.5f, 0.5f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f);
+    pVertices[1] = Vertex(0.5f, 0.5f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f, 0.0f);
+    pVertices[2] = Vertex(0.5f, -0.5f, 0.0f, 0.0f, 0.0f, -1.0f, 1.0f, 1.0f);
+    pVertices[3] = Vertex(-0.5f, -0.5f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 1.0f);
 
     //// cube with color
     //// front
diff --git a/GDP/D3D9/Vertex.h b/GDP/D3D9/Vertex.h
index b7dce7b..fba8ea8 100644
--- a/GDP/D3D9/Vertex.h
+++ b/GDP/D3D9/Vertex.h
@@ -1,7 +1,7 @@
 #pragma once
 #include <d3d9.h>
 
-#define FVF D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1
+#define FVF D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1 | D3DFVF_NORMAL
 
 struct Vertex
 {
@@ -9,13 +9,19 @@ struct Vertex
 	FLOAT y;
 	FLOAT z;
 
+	FLOAT nx;
+	FLOAT ny;
+	FLOAT nz;
+
 	D3DCOLOR color;
 
 	FLOAT u;
 	FLOAT v;
 
-	Vertex() : x(0.0f), y(0.0f), z(0.0f), color(0xFFFFFFFF), u(0.0f), v(0.0f) {}
-	Vertex(FLOAT _x, FLOAT _y, FLOAT _z) : x(_x), y(_y), z(_z), color(0xFFFFFFFF), u(0.0f), v(0.0f) {}
-	Vertex(FLOAT _x, FLOAT _y, FLOAT _z, UINT r, UINT g, UINT b) : x(_x), y(_y), z(_z), color(D3DCOLOR_XRGB(r, g, b)), u(0.0f), v(0.0f) {}
-	Vertex(FLOAT _x, FLOAT _y, FLOAT _z, FLOAT _u, FLOAT _v) : x(_x), y(_y), z(_z), color(0xFFFFFFFF), u(_u), v(_v) {}
+	Vertex() : x(0.0f), y(0.0f), z(0.0f), color(0xFFFFFFFF), u(0.0f), v(0.0f), nx(0.0f), ny(0.0f), nz(0.0f) {}
+
+	Vertex(FLOAT _x, FLOAT _y, FLOAT _z) : x(_x), y(_y), z(_z), color(0xFFFFFFFF), u(0.0f), v(0.0f), nx(0.0f), ny(0.0f), nz(0.0f) {}
+	Vertex(FLOAT _x, FLOAT _y, FLOAT _z, UINT r, UINT g, UINT b) : x(_x), y(_y), z(_z), color(D3DCOLOR_XRGB(r, g, b)), u(0.0f), v(0.0f), nx(0.0f), ny(0.0f), nz(0.0f) {}
+	Vertex(FLOAT _x, FLOAT _y, FLOAT _z, FLOAT _u, FLOAT _v) : x(_x), y(_y), z(_z), color(0xFFFFFFFF), u(_u), v(_v), nx(0.0f), ny(0.0f), nz(0.0f) {}
+	Vertex(FLOAT _x, FLOAT _y, FLOAT _z, FLOAT _nx, FLOAT _ny, FLOAT _nz, FLOAT _u, FLOAT _v) : x(_x), y(_y), z(_z), color(0xFFFFFFFF), u(_u), v(_v), nx(_nx), ny(_ny), nz(_nz) {}
 };
\ No newline at end of file
diff --git a/GDP/D3D9/main.cpp b/GDP/D3D9/main.cpp
index e2dc330..d8543db 100644
--- a/GDP/D3D9/main.cpp
+++ b/GDP/D3D9/main.cpp
@@ -34,7 +34,10 @@ int WINAPI WinMain(
 
 	// set render states
 	d3d.getDevice()->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
-	d3d.getDevice()->SetRenderState(D3DRS_LIGHTING, FALSE);
+	d3d.getDevice()->SetRenderState(D3DRS_LIGHTING, TRUE);
+	d3d.getDevice()->SetRenderState(D3DRS_SPECULARENABLE, TRUE);
+	d3d.getDevice()->SetRenderState(D3DRS_DIFFUSEMATERIALSOURCE, D3DMCS_MATERIAL);
+	d3d.getDevice()->SetRenderState(D3DRS_SPECULARMATERIALSOURCE, D3DMCS_MATERIAL);
 
 	// 3. create a mesh
 	Mesh mesh = {};
@@ -58,7 +61,14 @@ int WINAPI WinMain(
 
 	// 7. create light source
 	Light light = {};
-	error = light.init();
+	D3DLIGHT9 lightData = {};
+	lightData.Type = D3DLIGHT_DIRECTIONAL;
+	lightData.Direction = { 0.0f, 0.0f, 1.0f };
+	lightData.Diffuse = { 0.5f, 0.5f, 0.5f, 1.0f };
+	lightData.Specular = { 1.0f, 1.0f, 1.0f, 1.0f };
+	lightData.Ambient = { 0.2f, 0.2f, 0.2f, 1.0f };
+
+	error = light.init(lightData);
 	CheckError(error);
 
 	// 8. run application