public Game(Window window)
{
screenSpace = new Camera2DScreenSpace(window);
screenSpace.Zoom = 1 / window.ViewportPixelSize.AspectRatio;
gridSize = 25;
blockSize = 1.0f / gridSize;
this.window = window;
menu = new Menu();
menu.InitGame += StartGame;
menu.Quit += window.CloseAfterFrame;
window.ViewportSizeChanged +=
size => screenSpace.Zoom = (size.AspectRatio > 1) ? 1 / size.AspectRatio : size.AspectRatio;
}
/// <summary>
/// 允许游戏在开始运行之前执行其所需的任何初始化。
/// 游戏能够在此时查询任何所需服务并加载任何非图形
/// 相关的内容。调用 base.Initialize 将枚举所有组件
/// 并对其进行初始化。
/// </summary>
protected override void Initialize()
{
// TODO: 在此处添加初始化逻辑
currentState = GameState.main_menu;
preState = GameState.main_menu;
Components.Clear();
Menu menu = new Menu(this);
menu.Initialize();
Components.Add(menu);
base.Initialize();
}
/// <summary>
/// 允许游戏在开始运行之前执行其所需的任何初始化。
/// 游戏能够在此时查询任何所需服务并加载任何非图形
/// 相关的内容。调用 base.Initialize 将枚举所有组件
/// 并对其进行初始化。
/// </summary>
protected override void Initialize()
{
// TODO: 在此处添加初始化逻辑
TouchPanel.EnabledGestures = GestureType.VerticalDrag | GestureType.HorizontalDrag | GestureType.Tap;
currentState = GameState.main_menu;
preState = GameState.main_menu;
sceneChangeLag = 0;
Components.Clear();
Menu menu = new Menu(this);
menu.Initialize();
Components.Add(menu);
base.Initialize();
}
/// <summary>
/// 允许游戏运行逻辑，例如更新全部内容、
/// 检查冲突、收集输入信息以及播放音频。
/// </summary>
/// <param name="gameTime">提供计时值的快照。</param>
protected override void Update(GameTime gameTime)
{
// 允许游戏退出
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
this.Exit();
// TODO: 在此处添加更新逻辑
if (currentState != preState)
{
sceneChangeLag -= gameTime.ElapsedGameTime.Milliseconds;
if (sceneChangeLag <= 0)
{
preState = currentState;
switch (currentState)
{
case GameState.main_menu:
Components.Clear();
Menu menu = new Menu(this);
menu.Initialize();
Components.Add(menu);
break;
case GameState.playing:
Components.Clear();
Scene scene = new Scene(this);
scene.Initialize();
Components.Add(scene);
break;
case GameState.lose:
Components.Clear();
Lose lose = new Lose(this);
lose.Initialize();
Components.Add(lose);
break;
case GameState.win:
Components.Clear();
Win win = new Win(this);
win.Initialize();
Components.Add(win);
break;
default:
break;
}
}
}
base.Update(gameTime);
}
public ColorOptionsMenu(Menu parentMenu)
{
this.parentMenu = parentMenu;
SetViewportBackground("SnakeMainMenuBackground");
AddBackgroundAndColorDisplay();
AddGameElementSelection();
AddColorSliders();
AddDoneButton();
}