/// <summary>
/// Constructs a new level.
/// </summary>
/// <param name="serviceProvider">
/// The service provider that will be used to construct a ContentManager.
/// </param>
/// <param name="path">
/// The absolute path to the level file to be loaded.
/// </param>
public Level(string path, string name)
{
this.FilePath = path;
this.Name = name;
TileEngine = new TileEngine(this);
TileEngine.LoadTiles(path);
Hud = new Hud();
Camera = new LevelCamera();
// textBox = new Rectangle(10, 10, 300, 300);
}
public void ScrollCamera(Viewport viewport, LevelPlayer player, TileEngine tileEngine)
{
#if ZUNE
const float ViewMargin = 0.45f;
#else
const float ViewMargin = 0.35f;
#endif
// Calculate the edges of the screen.
float marginHeight = viewport.Height + 20.0f;
float marginWidth = viewport.Width * ViewMargin;
float marginLeft = CameraPositionXAxis + marginWidth;
float marginRight = CameraPositionXAxis + viewport.Width - marginWidth;
// Calculate how far to scroll when the player is near the edges of the screen.
float cameraMovement = 0.0f;
if (player.Position.X < marginLeft)
cameraMovement = player.Position.X - marginLeft;
else if (player.Position.X > marginRight)
cameraMovement = player.Position.X - marginRight;
const float TopMargin = 0.3f;
const float BottomMargin = 0.1f;
float marginTop = cameraPositionYAxis + viewport.Height * TopMargin;
float marginBottom = cameraPositionYAxis + viewport.Height - viewport.Height * BottomMargin;
float cameraMovementY = 0.0f;
if (player.Position.Y < marginTop) //above the top margin
cameraMovementY = player.Position.Y - marginTop;
else if (player.Position.Y > marginBottom) //below the bottom margin
cameraMovementY = player.Position.Y - marginBottom;
// Update the camera position, but prevent scrolling off the ends of the level.
float maxCameraPositionXOffset = LevelTile.Width * tileEngine.Width - viewport.Width;
CameraPositionXAxis = MathHelper.Clamp(CameraPositionXAxis + cameraMovement, 0.0f, maxCameraPositionXOffset);
float maxCameraPositionYOffset = LevelTile.Height * tileEngine.Height - viewport.Height;
cameraPositionYAxis = MathHelper.Clamp(cameraPositionYAxis + cameraMovementY, 0.0f, maxCameraPositionYOffset);
}
