#include "Camera.h"

UINT Camera::init(UINT width, UINT height)
{
    // view matrix
    XMVECTOR position = XMVectorSet(0.0f, 0.0f, -1.0f, 0.0f);
    XMVECTOR forward = XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);
    XMVECTOR up = XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f);
    XMStoreFloat4x4(&_viewMatrix, XMMatrixLookToLH(position, forward, up));

   // projection matrix
    XMMATRIX perspectiveMatrix = XMMatrixPerspectiveFovLH(
        XM_PI * 0.3333333f, // field of view in radians, here 60 degrees
        static_cast<FLOAT>(width) / static_cast<FLOAT>(height), // aspect ratio
        0.3f, 10.0f // near & far clipping planes
    );
    XMStoreFloat4x4(&_projectionMatrix, perspectiveMatrix);

    return 0;
}

void Camera::update(FLOAT dt)
{
}

void Camera::deInit()
{
}