add camera

Camera.cpp

@@ -0,0 +1,78 @@
+#include "Camera.h"
+
+using namespace DirectX;
+
+Camera::Camera(float _x, float _y, float _z, float _aspect, float _fov, float _near, float _far)
+{
+	transform.SetPosition(_x, _y, _z);
+
+	aspect = _aspect;
+	fovYRadians = XMConvertToRadians(_fov);
+	clipNear = _near;
+	clipFar = _far;
+
+	UpdateViewMatrix();
+	UpdateProjectionMatrix();
+}
+
+Camera::~Camera()
+{
+}
+
+void Camera::Update(float _dt)
+{
+	transform.TranslateRelative(0, 0, _dt);
+	UpdateViewMatrix();
+}
+
+void Camera::UpdateViewMatrix()
+{
+	XMFLOAT3 worldUp = XMFLOAT3(0, 1, 0);
+	XMMATRIX view = XMMatrixLookToLH(XMLoadFloat3(&transform.GetPosition()), XMLoadFloat3(&transform.GetForward()), XMLoadFloat3(&worldUp));
+	XMStoreFloat4x4(&viewMatrix, view);
+}
+
+void Camera::UpdateProjectionMatrix()
+{
+	XMMATRIX projection = XMMatrixPerspectiveFovLH(fovYRadians, aspect, clipNear, clipFar);
+	XMStoreFloat4x4(&projectionMatrix, projection);
+}
+
+Transform* Camera::GetTransform()
+{
+	return &transform;
+}
+
+DirectX::XMFLOAT4X4 Camera::GetViewMatrix()
+{
+	return viewMatrix;
+}
+
+DirectX::XMFLOAT4X4 Camera::GetProjectionMatrix()
+{
+	return projectionMatrix;
+}
+
+void Camera::SetAspect(float _aspect)
+{
+	aspect = _aspect;
+	UpdateProjectionMatrix();
+}
+
+void Camera::SetFOV(float _fov)
+{
+	fovYRadians = XMConvertToRadians(_fov);
+	UpdateProjectionMatrix();
+}
+
+void Camera::SetNearClip(float _near)
+{
+	clipNear = _near;
+	UpdateProjectionMatrix();
+}
+
+void Camera::SetFarClip(float _far)
+{
+	clipFar = _far;
+	UpdateProjectionMatrix();
+}

Camera.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "Transform.h"
+#include <memory>
+
+class Camera
+{
+public:
+	Camera(float _x, float _y, float _z, float _aspect, float _fov, float _near, float _far);
+	~Camera();
+
+	void				Update(float _dt);
+	void				UpdateViewMatrix();
+	void				UpdateProjectionMatrix();
+
+	Transform*			GetTransform();
+	DirectX::XMFLOAT4X4 GetViewMatrix();
+	DirectX::XMFLOAT4X4 GetProjectionMatrix();
+
+	void				SetAspect(float _aspect);
+	void				SetFOV(float _fov);
+	void				SetNearClip(float _near);
+	void				SetFarClip(float _far);
+
+private:
+	float				aspect;
+	float				fovYRadians;
+	float				clipNear;
+	float				clipFar;
+
+	DirectX::XMFLOAT4X4 viewMatrix;
+	DirectX::XMFLOAT4X4 projectionMatrix;
+
+	Transform			transform;
+};

DX11Starter.vcxproj

@@ -123,6 +123,7 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
+    <ClCompile Include="Camera.cpp" />
     <ClCompile Include="DXCore.cpp" />
     <ClCompile Include="Entity.cpp" />
     <ClCompile Include="Game.cpp" />
@@ -133,6 +134,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="BufferStructs.h" />
+    <ClInclude Include="Camera.h" />
     <ClInclude Include="DXCore.h" />
     <ClInclude Include="Entity.h" />
     <ClInclude Include="Game.h" />

DX11Starter.vcxproj.filters

@@ -39,6 +39,9 @@
     <ClCompile Include="Entity.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="Camera.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Vertex.h">
@@ -65,6 +68,9 @@
     <ClInclude Include="Entity.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="Camera.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <FxCompile Include="PixelShader.hlsl">