begin defining lights

DX11Starter.vcxproj

@@ -140,6 +140,7 @@
     <ClInclude Include="Entity.h" />
     <ClInclude Include="Game.h" />
     <ClInclude Include="Input.h" />
+    <ClInclude Include="Lights.h" />
     <ClInclude Include="Material.h" />
     <ClInclude Include="Mesh.h" />
     <ClInclude Include="SimpleShader.h" />

DX11Starter.vcxproj.filters

@@ -86,6 +86,9 @@
     <ClInclude Include="Material.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="Lights.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <FxCompile Include="PixelShader.hlsl">

Game.cpp

@@ -60,6 +60,7 @@ void Game::Init()
 	// geometry to draw and some simple camera matrices.
 	//  - You'll be expanding and/or replacing these later
 	LoadShaders();
+	LoadLighting();
 	CreateBasicGeometry();
 	
 	// Tell the input assembler stage of the pipeline what kind of
@@ -95,6 +96,15 @@ void Game::LoadShaders()
 	};
 }
 
+void Game::LoadLighting()
+{
+	directionalLight1 = {};
+	directionalLight1.Type = LIGHT_TYPE_DIRECTIONAL;
+	directionalLight1.Direction = XMFLOAT3(1, -1, 0);
+	directionalLight1.Color = XMFLOAT3(0.2f, 0.2f, 1.0f);
+	directionalLight1.Intensity = 1.0f;
+}
+
 // --------------------------------------------------------
 // Creates the geometry we're going to draw - a single triangle for now
 // --------------------------------------------------------
@@ -205,6 +215,7 @@ void Game::Draw(float deltaTime, float totalTime)
 		ps->SetFloat3("cameraPosition", camera->GetTransform()->GetPosition());
 		ps->SetFloat("roughness", entity->GetMaterial()->GetRoughness());
 		ps->SetFloat3("ambient", ambient);
+		ps->SetData("directionalLight1", &directionalLight1, sizeof(Light));
 		ps->CopyAllBufferData();
 
 		entity->GetMaterial()->GetVertexShader()->SetShader();

Game.h

@@ -6,6 +6,7 @@
 #include "Entity.h"
 #include "SimpleShader.h"
 #include "Material.h"
+#include "Lights.h"
 #include <DirectXMath.h>
 #include <wrl/client.h> // Used for ComPtr - a smart pointer for COM objects
 #include <memory>
@@ -33,6 +34,7 @@ private:
 
 	// Initialization helper methods - feel free to customize, combine, etc.
 	void LoadShaders(); 
+	void LoadLighting();
 	void CreateBasicGeometry();
 
 	// Note the usage of ComPtr below
@@ -52,6 +54,8 @@ private:
 	std::shared_ptr<Camera> camera;
 	// A6 Materials
 	std::vector<std::shared_ptr<Material>> materials;
+	// A7 Lights
+	Light directionalLight1;
 
 	Microsoft::WRL::ComPtr<ID3D11Buffer> constantBufferVS;
 };

Lights.h

@@ -0,0 +1,17 @@
+#pragma once
+#define LIGHT_TYPE_DIRECTIONAL	0
+#define LIGHT_TYPE_POINT		1
+#define LIGHT_TYPE_SPOT			2
+#include <DirectXMath.h>
+
+struct Light
+{
+	int					Type;
+	DirectX::XMFLOAT3	Direction;
+	float				Range;
+	DirectX::XMFLOAT3	Position;
+	float				Intensity;
+	DirectX::XMFLOAT3	Color;
+	float				SpotFalloff;
+	DirectX::XMFLOAT3	Padding;
+};