/// <summary>
/// Checks the mouse's position set in the in-game world plane.
/// </summary>
/// <param name="mousePosition">Mouse's position on screen</param>
/// <param name="camera">Camera object</param>
/// <param name="device">Graphics device used in rendering</param>
/// <returns></returns>
public static Vector3 getMouseWorldPosition(Vector2 mousePosition,CameraAndLights camera,GraphicsDevice device)
{
Vector3 nearsource = new Vector3(mousePosition,0f);
Vector3 farsource = new Vector3(mousePosition,CameraAndLights.nearClip);
Vector3 nearPoint = device.Viewport.Unproject(nearsource,
camera.projectionMatrix,
camera.viewMatrix,
Matrix.Identity);
Vector3 farPoint = device.Viewport.Unproject(farsource,
camera.projectionMatrix,
camera.viewMatrix,
Matrix.Identity);
// Create a ray from the near clip plane to the far clip plane.
Vector3 direction = farPoint - nearPoint;
direction.Normalize();
Ray pickRay = new Ray(nearPoint,direction);
Plane floor = new Plane(new Vector3(0f,1f,0f),0f);
float denominator = Vector3.Dot(floor.Normal,pickRay.Direction);
float numerator = Vector3.Dot(floor.Normal,pickRay.Position) + floor.D;
float dist = -(numerator / denominator);
Vector3 mouseWorldPos = nearPoint + direction * dist;
return mouseWorldPos * new Vector3(1f,0f,1f);
}
public override void Initialize()
{
camera = _gameState.camera;
effects = _game.Services.GetService(typeof(Effect)) as Effect;
graphics = _game.Graphics;
DrawOrder = drawLayer;
base.Initialize();
}
public InGame(SwordeningGame game)
: base(game)
{
Hero = new Wizard(game,this,Vector3.Zero);
camera = new CameraAndLights();
_saveGame = new SaveGame(this);
mapGrid = new MapGrid(_game,this);
liveGrid = new LiveGrid(_game,ref mapGrid);
monsters = new List<Creature>();
camera.cameraPos = Vector3.Zero;
gamemusic = _game.musics["gamemusic"];
difficultycounter = 0;
spawntime = 1.0f;
}
/// <summary>
/// Separated from constructor for deserialization.
/// </summary>
/// <param name="game">the XNA game</param>
/// <param name="gameState">InGame gamestate</param>
/// <param name="textures">ground texture</param>
public void Initialize(SwordeningGame game, InGame gameState)
{
_game = game;
_graphics = game.Graphics;
_gameState = gameState;
camera = gameState.camera;
effects = game.Services.GetService(typeof(Effect)) as Effect;
_tileVertexBufferDict = new Dictionary<TileType,VertexBuffer>();
_textures = new Dictionary<TileType,Texture2D>();
SetUpTextures();
SetUpVertices();
}
