add world matrix

add view matrix
add projection matrix

GDP/D3D9/Camera.cpp

@@ -1,12 +1,35 @@
 #include "Camera.h"
 
+#include <DirectXMath.h>
+
+using namespace DirectX;
+
 UINT Camera::init(UINT width, UINT height)
 {
+    // view matrix
+    XMVECTOR position = XMVectorSet(0.0f, 0.0f, -2.0f, 0.0f); // camera position
+    XMVECTOR forward = XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f); // camera forward vector
+    XMVECTOR up = XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f); // camera up vector
+
+    XMMATRIX viewMatrix = XMMatrixLookToLH(position, forward, up);
+    XMStoreFloat4x4(reinterpret_cast<XMFLOAT4X4*>(&_viewMatrix), viewMatrix);
+
+    // projection matrix
+    FLOAT fov = XM_PI * 0.3333333f; // field of view
+    FLOAT aspectRatio = static_cast<FLOAT>(width) / static_cast<FLOAT>(height); // CAUTION: UINT / UINT => UINT
+    FLOAT nearClippingPlane = 0.3f;
+    FLOAT farClippingPlane = 100.0f;
+
+    XMMATRIX projectionMatrix = XMMatrixPerspectiveFovLH(fov, aspectRatio, nearClippingPlane, farClippingPlane);
+    XMStoreFloat4x4(reinterpret_cast<XMFLOAT4X4*>(&_projectionMatrix), projectionMatrix);
+
     return 0;
 }
 
-void Camera::update(FLOAT dt)
+void Camera::update(FLOAT dt, IDirect3DDevice9* pD3DDevice)
 {
+    pD3DDevice->SetTransform(D3DTS_VIEW, &_viewMatrix);
+    pD3DDevice->SetTransform(D3DTS_PROJECTION, &_projectionMatrix);
 }
 
 void Camera::deInit()