diff --git a/enginecustom/Light.ps b/enginecustom/Light.ps
new file mode 100644
index 0000000..66babd6
--- /dev/null
+++ b/enginecustom/Light.ps
@@ -0,0 +1,57 @@
+////////////////////////////////////////////////////////////////////////////////
+// Filename: light.ps
+////////////////////////////////////////////////////////////////////////////////
+
+
+/////////////
+// GLOBALS //
+/////////////
+Texture2D shaderTexture : register(t0);
+SamplerState SampleType : register(s0);
+cbuffer LightBuffer
+{
+    float4 diffuseColor;
+    float3 lightDirection;
+    float padding;
+};
+
+
+//////////////
+// TYPEDEFS //
+//////////////
+struct PixelInputType
+{
+    float4 position : SV_POSITION;
+    float2 tex : TEXCOORD0;
+    float3 normal : NORMAL;
+};
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Pixel Shader
+////////////////////////////////////////////////////////////////////////////////
+float4 LightPixelShader(PixelInputType input) : SV_TARGET
+{
+    float4 textureColor;
+    float3 lightDir;
+    float lightIntensity;
+    float4 color;
+
+
+    // Sample the pixel color from the texture using the sampler at this texture coordinate location.
+    textureColor = shaderTexture.Sample(SampleType, input.tex);
+
+    // Invert the light direction for calculations.
+    lightDir = -lightDirection;
+
+    // Calculate the amount of light on this pixel.
+    lightIntensity = saturate(dot(input.normal, lightDir));
+
+    // Determine the final amount of diffuse color based on the diffuse color combined with the light intensity.
+    color = saturate(diffuseColor * lightIntensity);
+
+    // Multiply the texture pixel and the final diffuse color to get the final pixel color result.
+    color = color * textureColor;
+
+    return color;
+}
\ No newline at end of file
diff --git a/enginecustom/Light.vs b/enginecustom/Light.vs
new file mode 100644
index 0000000..87f1edd
--- /dev/null
+++ b/enginecustom/Light.vs
@@ -0,0 +1,60 @@
+////////////////////////////////////////////////////////////////////////////////
+// Filename: light.vs
+////////////////////////////////////////////////////////////////////////////////
+
+
+/////////////
+// GLOBALS //
+/////////////
+cbuffer MatrixBuffer
+{
+    matrix worldMatrix;
+    matrix viewMatrix;
+    matrix projectionMatrix;
+};
+
+//////////////
+// TYPEDEFS //
+//////////////
+struct VertexInputType
+{
+    float4 position : POSITION;
+    float2 tex : TEXCOORD0;
+    float3 normal : NORMAL;
+};
+
+struct PixelInputType
+{
+    float4 position : SV_POSITION;
+    float2 tex : TEXCOORD0;
+    float3 normal : NORMAL;
+};
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Vertex Shader
+////////////////////////////////////////////////////////////////////////////////
+PixelInputType LightVertexShader(VertexInputType input)
+{
+    PixelInputType output;
+    
+
+    // Change the position vector to be 4 units for proper matrix calculations.
+    input.position.w = 1.0f;
+
+    // Calculate the position of the vertex against the world, view, and projection matrices.
+    output.position = mul(input.position, worldMatrix);
+    output.position = mul(output.position, viewMatrix);
+    output.position = mul(output.position, projectionMatrix);
+    
+    // Store the texture coordinates for the pixel shader.
+    output.tex = input.tex;
+
+    // Calculate the normal vector against the world matrix only.
+    output.normal = mul(input.normal, (float3x3)worldMatrix);
+	
+    // Normalize the normal vector.
+    output.normal = normalize(output.normal);
+
+    return output;
+}
\ No newline at end of file
diff --git a/enginecustom/Lightclass.cpp b/enginecustom/Lightclass.cpp
new file mode 100644
index 0000000..e6f0f9b
--- /dev/null
+++ b/enginecustom/Lightclass.cpp
@@ -0,0 +1,45 @@
+////////////////////////////////////////////////////////////////////////////////
+// Filename: lightclass.cpp
+////////////////////////////////////////////////////////////////////////////////
+#include "lightclass.h"
+
+
+LightClass::LightClass()
+{
+}
+
+
+LightClass::LightClass(const LightClass& other)
+{
+}
+
+
+LightClass::~LightClass()
+{
+}
+
+
+void LightClass::SetDiffuseColor(float red, float green, float blue, float alpha)
+{
+    m_diffuseColor = XMFLOAT4(red, green, blue, alpha);
+    return;
+}
+
+
+void LightClass::SetDirection(float x, float y, float z)
+{
+    m_direction = XMFLOAT3(x, y, z);
+    return;
+}
+
+
+XMFLOAT4 LightClass::GetDiffuseColor()
+{
+    return m_diffuseColor;
+}
+
+
+XMFLOAT3 LightClass::GetDirection()
+{
+    return m_direction;
+}
\ No newline at end of file
diff --git a/enginecustom/Lightclass.h b/enginecustom/Lightclass.h
new file mode 100644
index 0000000..0159c95
--- /dev/null
+++ b/enginecustom/Lightclass.h
@@ -0,0 +1,37 @@
+#pragma once
+////////////////////////////////////////////////////////////////////////////////
+// Filename: lightclass.h
+////////////////////////////////////////////////////////////////////////////////
+#ifndef _LIGHTCLASS_H_
+#define _LIGHTCLASS_H_
+
+
+//////////////
+// INCLUDES //
+//////////////
+#include <directxmath.h>
+using namespace DirectX;
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Class name: LightClass
+////////////////////////////////////////////////////////////////////////////////
+class LightClass
+{
+public:
+    LightClass();
+    LightClass(const LightClass&);
+    ~LightClass();
+
+    void SetDirection(float, float, float);
+    void SetDiffuseColor(float, float, float, float);
+
+    XMFLOAT3 GetDirection();
+    XMFLOAT4 GetDiffuseColor();
+
+private:
+    XMFLOAT4 m_diffuseColor;
+    XMFLOAT3 m_direction;
+};
+
+#endif
\ No newline at end of file
diff --git a/enginecustom/Lightshaderclass.cpp b/enginecustom/Lightshaderclass.cpp
new file mode 100644
index 0000000..c759fd3
--- /dev/null
+++ b/enginecustom/Lightshaderclass.cpp
@@ -0,0 +1,428 @@
+////////////////////////////////////////////////////////////////////////////////
+// Filename: lightshaderclass.cpp
+////////////////////////////////////////////////////////////////////////////////
+#include "lightshaderclass.h"
+
+
+LightShaderClass::LightShaderClass()
+{
+    m_vertexShader = 0;
+    m_pixelShader = 0;
+    m_layout = 0;
+    m_sampleState = 0;
+    m_matrixBuffer = 0;
+    m_lightBuffer = 0;
+}
+
+
+LightShaderClass::LightShaderClass(const LightShaderClass& other)
+{
+}
+
+
+LightShaderClass::~LightShaderClass()
+{
+}
+
+
+bool LightShaderClass::Initialize(ID3D11Device* device, HWND hwnd)
+{
+    wchar_t vsFilename[128];
+    wchar_t psFilename[128];
+    int error;
+    bool result;
+
+    // Set the filename of the vertex shader.
+    error = wcscpy_s(vsFilename, 128, L"./Light.vs");
+    if (error != 0)
+    {
+        return false;
+    }
+
+    // Set the filename of the pixel shader.
+    error = wcscpy_s(psFilename, 128, L"./Light.ps");
+    if (error != 0)
+    {
+        return false;
+    }
+
+    // Initialize the vertex and pixel shaders.
+    result = InitializeShader(device, hwnd, vsFilename, psFilename);
+    if (!result)
+    {
+        return false;
+    }
+
+    return true;
+}
+
+
+void LightShaderClass::Shutdown()
+{
+    // Shutdown the vertex and pixel shaders as well as the related objects.
+    ShutdownShader();
+
+    return;
+}
+
+bool LightShaderClass::Render(ID3D11DeviceContext* deviceContext, int indexCount, XMMATRIX worldMatrix, XMMATRIX viewMatrix, XMMATRIX projectionMatrix,
+    ID3D11ShaderResourceView* texture, XMFLOAT3 lightDirection, XMFLOAT4 diffuseColor)
+{
+    bool result;
+
+
+    // Set the shader parameters that it will use for rendering.
+    result = SetShaderParameters(deviceContext, worldMatrix, viewMatrix, projectionMatrix, texture, lightDirection, diffuseColor);
+    if (!result)
+    {
+        return false;
+    }
+
+    // Now render the prepared buffers with the shader.
+    RenderShader(deviceContext, indexCount);
+
+    return true;
+}
+
+
+bool LightShaderClass::InitializeShader(ID3D11Device* device, HWND hwnd, WCHAR* vsFilename, WCHAR* psFilename)
+{
+    HRESULT result;
+    ID3D10Blob* errorMessage;
+    ID3D10Blob* vertexShaderBuffer;
+    ID3D10Blob* pixelShaderBuffer;
+
+    D3D11_INPUT_ELEMENT_DESC polygonLayout[3];
+    unsigned int numElements;
+    D3D11_SAMPLER_DESC samplerDesc;
+    D3D11_BUFFER_DESC matrixBufferDesc;
+
+    D3D11_BUFFER_DESC lightBufferDesc;
+
+
+    // Initialize the pointers this function will use to null.
+    errorMessage = 0;
+    vertexShaderBuffer = 0;
+    pixelShaderBuffer = 0;
+
+    // Compile the vertex shader code.
+    result = D3DCompileFromFile(vsFilename, NULL, NULL, "LightVertexShader", "vs_5_0", D3D10_SHADER_ENABLE_STRICTNESS, 0, &vertexShaderBuffer, &errorMessage);
+    if (FAILED(result))
+    {
+        // If the shader failed to compile it should have writen something to the error message.
+        if (errorMessage)
+        {
+            OutputShaderErrorMessage(errorMessage, hwnd, vsFilename);
+        }
+        // If there was nothing in the error message then it simply could not find the shader file itself.
+        else
+        {
+            MessageBox(hwnd, vsFilename, L"Missing Shader File", MB_OK);
+        }
+
+        return false;
+    }
+
+    // Compile the pixel shader code.
+    result = D3DCompileFromFile(psFilename, NULL, NULL, "LightPixelShader", "ps_5_0", D3D10_SHADER_ENABLE_STRICTNESS, 0, &pixelShaderBuffer, &errorMessage);
+    if (FAILED(result))
+    {
+        // If the shader failed to compile it should have writen something to the error message.
+        if (errorMessage)
+        {
+            OutputShaderErrorMessage(errorMessage, hwnd, psFilename);
+        }
+        // If there was nothing in the error message then it simply could not find the file itself.
+        else
+        {
+            MessageBox(hwnd, psFilename, L"Missing Shader File", MB_OK);
+        }
+
+        return false;
+    }
+
+    // Create the vertex shader from the buffer.
+    result = device->CreateVertexShader(vertexShaderBuffer->GetBufferPointer(), vertexShaderBuffer->GetBufferSize(), NULL, &m_vertexShader);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Create the pixel shader from the buffer.
+    result = device->CreatePixelShader(pixelShaderBuffer->GetBufferPointer(), pixelShaderBuffer->GetBufferSize(), NULL, &m_pixelShader);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Create the vertex input layout description.
+    // This setup needs to match the VertexType stucture in the ModelClass and in the shader.
+    polygonLayout[0].SemanticName = "POSITION";
+    polygonLayout[0].SemanticIndex = 0;
+    polygonLayout[0].Format = DXGI_FORMAT_R32G32B32_FLOAT;
+    polygonLayout[0].InputSlot = 0;
+    polygonLayout[0].AlignedByteOffset = 0;
+    polygonLayout[0].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
+    polygonLayout[0].InstanceDataStepRate = 0;
+
+    polygonLayout[1].SemanticName = "TEXCOORD";
+    polygonLayout[1].SemanticIndex = 0;
+    polygonLayout[1].Format = DXGI_FORMAT_R32G32_FLOAT;
+    polygonLayout[1].InputSlot = 0;
+    polygonLayout[1].AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT;
+    polygonLayout[1].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
+    polygonLayout[1].InstanceDataStepRate = 0;
+
+    polygonLayout[2].SemanticName = "NORMAL";
+    polygonLayout[2].SemanticIndex = 0;
+    polygonLayout[2].Format = DXGI_FORMAT_R32G32B32_FLOAT;
+    polygonLayout[2].InputSlot = 0;
+    polygonLayout[2].AlignedByteOffset = D3D11_APPEND_ALIGNED_ELEMENT;
+    polygonLayout[2].InputSlotClass = D3D11_INPUT_PER_VERTEX_DATA;
+    polygonLayout[2].InstanceDataStepRate = 0;
+
+    // Get a count of the elements in the layout.
+    numElements = sizeof(polygonLayout) / sizeof(polygonLayout[0]);
+
+    // Create the vertex input layout.
+    result = device->CreateInputLayout(polygonLayout, numElements, vertexShaderBuffer->GetBufferPointer(), vertexShaderBuffer->GetBufferSize(),
+        &m_layout);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Release the vertex shader buffer and pixel shader buffer since they are no longer needed.
+    vertexShaderBuffer->Release();
+    vertexShaderBuffer = 0;
+
+    pixelShaderBuffer->Release();
+    pixelShaderBuffer = 0;
+
+    // Create a texture sampler state description.
+    samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_LINEAR;
+    samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_WRAP;
+    samplerDesc.AddressV = D3D11_TEXTURE_ADDRESS_WRAP;
+    samplerDesc.AddressW = D3D11_TEXTURE_ADDRESS_WRAP;
+    samplerDesc.MipLODBias = 0.0f;
+    samplerDesc.MaxAnisotropy = 1;
+    samplerDesc.ComparisonFunc = D3D11_COMPARISON_ALWAYS;
+    samplerDesc.BorderColor[0] = 0;
+    samplerDesc.BorderColor[1] = 0;
+    samplerDesc.BorderColor[2] = 0;
+    samplerDesc.BorderColor[3] = 0;
+    samplerDesc.MinLOD = 0;
+    samplerDesc.MaxLOD = D3D11_FLOAT32_MAX;
+
+    // Create the texture sampler state.
+    result = device->CreateSamplerState(&samplerDesc, &m_sampleState);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Setup the description of the dynamic matrix constant buffer that is in the vertex shader.
+    matrixBufferDesc.Usage = D3D11_USAGE_DYNAMIC;
+    matrixBufferDesc.ByteWidth = sizeof(MatrixBufferType);
+    matrixBufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
+    matrixBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+    matrixBufferDesc.MiscFlags = 0;
+    matrixBufferDesc.StructureByteStride = 0;
+
+    // Create the constant buffer pointer so we can access the vertex shader constant buffer from within this class.
+    result = device->CreateBuffer(&matrixBufferDesc, NULL, &m_matrixBuffer);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Setup the description of the light dynamic constant buffer that is in the pixel shader.
+   // Note that ByteWidth always needs to be a multiple of 16 if using D3D11_BIND_CONSTANT_BUFFER or CreateBuffer will fail.
+    lightBufferDesc.Usage = D3D11_USAGE_DYNAMIC;
+    lightBufferDesc.ByteWidth = sizeof(LightBufferType);
+    lightBufferDesc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
+    lightBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
+    lightBufferDesc.MiscFlags = 0;
+    lightBufferDesc.StructureByteStride = 0;
+
+    // Create the constant buffer pointer so we can access the vertex shader constant buffer from within this class.
+    result = device->CreateBuffer(&lightBufferDesc, NULL, &m_lightBuffer);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    return true;
+}
+
+
+void LightShaderClass::ShutdownShader()
+{
+    // Release the light constant buffer.
+    if (m_lightBuffer)
+    {
+        m_lightBuffer->Release();
+        m_lightBuffer = 0;
+    }
+
+    // Release the matrix constant buffer.
+    if (m_matrixBuffer)
+    {
+        m_matrixBuffer->Release();
+        m_matrixBuffer = 0;
+    }
+
+    // Release the sampler state.
+    if (m_sampleState)
+    {
+        m_sampleState->Release();
+        m_sampleState = 0;
+    }
+
+    // Release the layout.
+    if (m_layout)
+    {
+        m_layout->Release();
+        m_layout = 0;
+    }
+
+    // Release the pixel shader.
+    if (m_pixelShader)
+    {
+        m_pixelShader->Release();
+        m_pixelShader = 0;
+    }
+
+    // Release the vertex shader.
+    if (m_vertexShader)
+    {
+        m_vertexShader->Release();
+        m_vertexShader = 0;
+    }
+
+    return;
+}
+
+
+void LightShaderClass::OutputShaderErrorMessage(ID3D10Blob* errorMessage, HWND hwnd, WCHAR* shaderFilename)
+{
+    char* compileErrors;
+    unsigned __int64 bufferSize, i;
+    ofstream fout;
+
+
+    // Get a pointer to the error message text buffer.
+    compileErrors = (char*)(errorMessage->GetBufferPointer());
+
+    // Get the length of the message.
+    bufferSize = errorMessage->GetBufferSize();
+
+    // Open a file to write the error message to.
+    fout.open("shader-error.txt");
+
+    // Write out the error message.
+    for (i = 0; i < bufferSize; i++)
+    {
+        fout << compileErrors[i];
+    }
+
+    // Close the file.
+    fout.close();
+
+    // Release the error message.
+    errorMessage->Release();
+    errorMessage = 0;
+
+    // Pop a message up on the screen to notify the user to check the text file for compile errors.
+    MessageBox(hwnd, L"Error compiling shader.  Check shader-error.txt for message.", shaderFilename, MB_OK);
+
+    return;
+}
+
+bool LightShaderClass::SetShaderParameters(ID3D11DeviceContext* deviceContext, XMMATRIX worldMatrix, XMMATRIX viewMatrix, XMMATRIX projectionMatrix,
+    ID3D11ShaderResourceView* texture, XMFLOAT3 lightDirection, XMFLOAT4 diffuseColor)
+{
+    HRESULT result;
+    D3D11_MAPPED_SUBRESOURCE mappedResource;
+    unsigned int bufferNumber;
+    MatrixBufferType* dataPtr;
+    LightBufferType* dataPtr2;
+
+
+    // Transpose the matrices to prepare them for the shader.
+    worldMatrix = XMMatrixTranspose(worldMatrix);
+    viewMatrix = XMMatrixTranspose(viewMatrix);
+    projectionMatrix = XMMatrixTranspose(projectionMatrix);
+
+    // Lock the constant buffer so it can be written to.
+    result = deviceContext->Map(m_matrixBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Get a pointer to the data in the constant buffer.
+    dataPtr = (MatrixBufferType*)mappedResource.pData;
+
+    // Copy the matrices into the constant buffer.
+    dataPtr->world = worldMatrix;
+    dataPtr->view = viewMatrix;
+    dataPtr->projection = projectionMatrix;
+
+    // Unlock the constant buffer.
+    deviceContext->Unmap(m_matrixBuffer, 0);
+
+    // Set the position of the constant buffer in the vertex shader.
+    bufferNumber = 0;
+
+    // Now set the constant buffer in the vertex shader with the updated values.
+    deviceContext->VSSetConstantBuffers(bufferNumber, 1, &m_matrixBuffer);
+
+    // Set shader texture resource in the pixel shader.
+    deviceContext->PSSetShaderResources(0, 1, &texture);
+
+    // Lock the light constant buffer so it can be written to.
+    result = deviceContext->Map(m_lightBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
+    if (FAILED(result))
+    {
+        return false;
+    }
+
+    // Get a pointer to the data in the constant buffer.
+    dataPtr2 = (LightBufferType*)mappedResource.pData;
+
+    // Copy the lighting variables into the constant buffer.
+    dataPtr2->diffuseColor = diffuseColor;
+    dataPtr2->lightDirection = lightDirection;
+    dataPtr2->padding = 0.0f;
+
+    // Unlock the constant buffer.
+    deviceContext->Unmap(m_lightBuffer, 0);
+
+    // Set the position of the light constant buffer in the pixel shader.
+    bufferNumber = 0;
+
+    // Finally set the light constant buffer in the pixel shader with the updated values.
+    deviceContext->PSSetConstantBuffers(bufferNumber, 1, &m_lightBuffer);
+
+    return true;
+}
+
+
+void LightShaderClass::RenderShader(ID3D11DeviceContext* deviceContext, int indexCount)
+{
+    // Set the vertex input layout.
+    deviceContext->IASetInputLayout(m_layout);
+
+    // Set the vertex and pixel shaders that will be used to render this triangle.
+    deviceContext->VSSetShader(m_vertexShader, NULL, 0);
+    deviceContext->PSSetShader(m_pixelShader, NULL, 0);
+
+    // Set the sampler state in the pixel shader.
+    deviceContext->PSSetSamplers(0, 1, &m_sampleState);
+
+    // Render the triangle.
+    deviceContext->DrawIndexed(indexCount, 0, 0);
+
+    return;
+}
diff --git a/enginecustom/Lightshaderclass.h b/enginecustom/Lightshaderclass.h
new file mode 100644
index 0000000..247d3b8
--- /dev/null
+++ b/enginecustom/Lightshaderclass.h
@@ -0,0 +1,65 @@
+////////////////////////////////////////////////////////////////////////////////
+// Filename: lightshaderclass.h
+////////////////////////////////////////////////////////////////////////////////
+#ifndef _LIGHTSHADERCLASS_H_
+#define _LIGHTSHADERCLASS_H_
+
+
+//////////////
+// INCLUDES //
+//////////////
+#include <d3d11.h>
+#include <d3dcompiler.h>
+#include <directxmath.h>
+#include <fstream>
+using namespace DirectX;
+using namespace std;
+
+
+////////////////////////////////////////////////////////////////////////////////
+// Class name: LightShaderClass
+////////////////////////////////////////////////////////////////////////////////
+class LightShaderClass
+{
+private:
+    struct MatrixBufferType
+    {
+        XMMATRIX world;
+        XMMATRIX view;
+        XMMATRIX projection;
+    };
+
+    struct LightBufferType
+    {
+        XMFLOAT4 diffuseColor;
+        XMFLOAT3 lightDirection;
+        float padding;  // Added extra padding so structure is a multiple of 16 for CreateBuffer function requirements.
+    };
+
+public:
+    LightShaderClass();
+    LightShaderClass(const LightShaderClass&);
+    ~LightShaderClass();
+
+    bool Initialize(ID3D11Device*, HWND);
+    void Shutdown();
+    bool Render(ID3D11DeviceContext*, int, XMMATRIX, XMMATRIX, XMMATRIX, ID3D11ShaderResourceView*, XMFLOAT3, XMFLOAT4);
+
+private:
+    bool InitializeShader(ID3D11Device*, HWND, WCHAR*, WCHAR*);
+    void ShutdownShader();
+    void OutputShaderErrorMessage(ID3D10Blob*, HWND, WCHAR*);
+
+    bool SetShaderParameters(ID3D11DeviceContext*, XMMATRIX, XMMATRIX, XMMATRIX, ID3D11ShaderResourceView*, XMFLOAT3, XMFLOAT4);
+    void RenderShader(ID3D11DeviceContext*, int);
+
+private:
+    ID3D11VertexShader* m_vertexShader;
+    ID3D11PixelShader* m_pixelShader;
+    ID3D11InputLayout* m_layout;
+    ID3D11SamplerState* m_sampleState;
+    ID3D11Buffer* m_matrixBuffer;
+    ID3D11Buffer* m_lightBuffer;
+};
+
+#endif
\ No newline at end of file
diff --git a/enginecustom/applicationclass.cpp b/enginecustom/applicationclass.cpp
index e5e17bb..edc11ad 100644
--- a/enginecustom/applicationclass.cpp
+++ b/enginecustom/applicationclass.cpp
@@ -86,7 +86,7 @@ bool ApplicationClass::Initialize(int screenWidth, int screenHeight, HWND hwnd)
 
 	m_Light->SetDiffuseColor(1.0f, 1.0f, 1.0f, 1.0f);
 	m_Light->SetDirection(0.0f, 0.0f, 1.0f);
-
+	
 	return true;
 }
 
@@ -108,6 +108,14 @@ void ApplicationClass::Shutdown()
 		m_LightShader = 0;
 	}
 
+	// Release the light shader object.
+	if (m_LightShader)
+	{
+		m_LightShader->Shutdown();
+		delete m_LightShader;
+		m_LightShader = 0;
+	}
+
 	// Release the model object.
 	if (m_Model)
 	{
@@ -143,7 +151,6 @@ bool ApplicationClass::Frame()
 	static float z = 0.f;
 	bool result;
 
-
 	// Update the rotation variable each frame.
 	rotation -= 0.0174532925f * 0.1f;
 	if (rotation < 0.0f)
diff --git a/enginecustom/applicationclass.h b/enginecustom/applicationclass.h
index f954b28..98344b6 100644
--- a/enginecustom/applicationclass.h
+++ b/enginecustom/applicationclass.h
@@ -36,7 +36,6 @@ public:
 
 private:
 	bool Render(float, float, float, float);
-
 private:
 	D3DClass* m_Direct3D;
 	CameraClass* m_Camera;
diff --git a/enginecustom/enginecustom.vcxproj b/enginecustom/enginecustom.vcxproj
index 20dbbbc..d27ec29 100644
--- a/enginecustom/enginecustom.vcxproj
+++ b/enginecustom/enginecustom.vcxproj
@@ -25,8 +25,8 @@
     <ClCompile Include="Colorshaderclass.cpp" />
     <ClCompile Include="d3dclass.cpp" />
     <ClCompile Include="inputclass.cpp" />
-    <ClCompile Include="lightclass.cpp" />
-    <ClCompile Include="lightshaderclass.cpp" />
+    <ClCompile Include="Lightclass.cpp" />
+    <ClCompile Include="Lightshaderclass.cpp" />
     <ClCompile Include="Main.cpp" />
     <ClCompile Include="modelclass.cpp" />
     <ClCompile Include="Systemclass.cpp" />
@@ -39,15 +39,15 @@
     <ClInclude Include="Colorshaderclass.h" />
     <ClInclude Include="d3dclass.h" />
     <ClInclude Include="inputclass.h" />
-    <ClInclude Include="lightshaderclass.h" />
+    <ClInclude Include="Lightclass.h" />
+    <ClInclude Include="Lightshaderclass.h" />
     <ClInclude Include="modelclass.h" />
     <ClInclude Include="systemclass.h" />
     <ClInclude Include="textureclass.h" />
   </ItemGroup>
   <ItemGroup>
-    <None Include="cube.mtl" />
-    <None Include="light.ps" />
-    <None Include="light.vs" />
+    <None Include="Light.ps" />
+    <None Include="Light.vs" />
     <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
diff --git a/enginecustom/enginecustom.vcxproj.filters b/enginecustom/enginecustom.vcxproj.filters
index f23eb24..7f9131b 100644
--- a/enginecustom/enginecustom.vcxproj.filters
+++ b/enginecustom/enginecustom.vcxproj.filters
@@ -57,6 +57,12 @@
     <ClCompile Include="lightclass.cpp">
       <Filter>Fichiers sources</Filter>
     </ClCompile>
+    <ClCompile Include="Lightshaderclass.cpp">
+      <Filter>Fichiers sources</Filter>
+    </ClCompile>
+    <ClCompile Include="Lightclass.cpp">
+      <Filter>Fichiers sources</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="systemclass.h">
@@ -89,6 +95,12 @@
     <ClInclude Include="lightshaderclass.h">
       <Filter>Fichiers d%27en-tête</Filter>
     </ClInclude>
+    <ClInclude Include="Lightshaderclass.h">
+      <Filter>Fichiers d%27en-tête</Filter>
+    </ClInclude>
+    <ClInclude Include="Lightclass.h">
+      <Filter>Fichiers d%27en-tête</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="packages.config" />
@@ -104,6 +116,12 @@
     <None Include="light.ps">
       <Filter>texture</Filter>
     </None>
+    <None Include="Light.vs">
+      <Filter>shader</Filter>
+    </None>
+    <None Include="Light.ps">
+      <Filter>shader</Filter>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <Image Include="stone01.tga">