public Piglets()
{
_graphics = new GraphicsDeviceManager(this)
{
PreferredBackBufferHeight = 650,
PreferredBackBufferWidth = 800
};
Content.RootDirectory = "Content";
_pigs = new List<PigEntity>();
foreach (var i in Enumerable.Range(0, 10))
{
_pigs.Add(new PigEntity());
}
_terrain = new TerrainEntity();
}
public void Update(GameTime gameTime, TerrainEntity currentTerrain)
{
if (_elapsedMilliseconds > _nextUpdateTicks)
{
Direction = _random.Next(0, 4);
var newModifier = _random.Next(5, 35);
TerrainInfo terrainInfo;
var newX = 0;
var newY = 0;
switch (Direction)
{
case 0: // right
newX = (int) (_position.X + newModifier);
terrainInfo = currentTerrain.GetTerrainInfo(newX, (int) _position.Y);
if (terrainInfo.IsValidForPig)
{
_position.X = newX - terrainInfo.Height;
}
break;
case 1: // left
newX = (int) (_position.X - newModifier);
terrainInfo = currentTerrain.GetTerrainInfo(newX, (int)_position.Y);
if (terrainInfo.IsValidForPig)
{
_position.X -= newModifier - terrainInfo.Height;
}
break;
case 2: // up
newY = (int) (_position.Y - newModifier);
terrainInfo = currentTerrain.GetTerrainInfo((int) Position.X, newY);
if (terrainInfo.IsValidForPig)
{
_position.Y -= newModifier - terrainInfo.Height;
}
break;
case 3: // down
newY = (int)(_position.Y + newModifier);
terrainInfo = currentTerrain.GetTerrainInfo((int)Position.X, newY);
if (terrainInfo.IsValidForPig)
{
_position.Y += newModifier - terrainInfo.Height;
}
break;
}
_elapsedMilliseconds = 0;
}
else
{
_elapsedMilliseconds += gameTime.ElapsedGameTime.Milliseconds;
}
}