//COllision nur mit Untergrund
// Achtung: hier ist eine Konstante als Puffer für die Gravitation eingebaut
// dies muss bei eventuellen Änderungen angepasst werden
public bool IsWalkablegrav(GameObject gObj)
{
int bottomLeftX = (int)((gObj.Position.X - (gObj.sprite.TextureRect.Width / 2) + 11 + gObj.MovingDirection.X) / TileSize);
int bottomLeftY = (int)((gObj.Position.Y + (gObj.sprite.TextureRect.Height / 2) + gObj.MovingDirection.Y + 0.5) / TileSize );
int bottomRightX = (int)((gObj.Position.X + (gObj.sprite.TextureRect.Width / 2) - 11 + gObj.MovingDirection.X) / TileSize);
int bottomRightY = (int)((gObj.Position.Y + (gObj.sprite.TextureRect.Height / 2) + gObj.MovingDirection.Y + 0.5) / TileSize );
int bottomCenterX = (int)((gObj.Position.X + gObj.MovingDirection.X) / TileSize);
int bottomCenterY = (int)((gObj.Position.Y + (gObj.sprite.TextureRect.Height / 2) + gObj.MovingDirection.Y + 0.5) / TileSize);
try
{
return tiles[bottomLeftX, bottomLeftY].Walkablegrav && tiles[bottomRightX, bottomRightY].Walkablegrav
&& tiles[bottomCenterX, bottomCenterY].Walkable;
}
catch(IndexOutOfRangeException)
{
return false;
}
}
//COllision mit Wand[Rechts,Links]
public bool IsWalkable(GameObject gObj)
{
int topLeftX = (int)((gObj.Position.X - (gObj.sprite.TextureRect.Width / 2) + gObj.MovingDirection.X) / TileSize);
int topLeftY = (int)((gObj.Position.Y - (gObj.sprite.TextureRect.Height / 2) + gObj.MovingDirection.Y) / TileSize);
int topRightX = (int)((gObj.Position.X + (gObj.sprite.TextureRect.Width / 2) + gObj.MovingDirection.X) / TileSize);
int topRightY = (int)((gObj.Position.Y - (gObj.sprite.TextureRect.Height / 2) + gObj.MovingDirection.Y) / TileSize );
// Achtung: zur Berechnung der Position auf der y-Achse wird hier ein konstante von der y-Höhe abgezogen
int bottomLeftX = (int)((gObj.Position.X - (gObj.sprite.TextureRect.Width / 2) + gObj.MovingDirection.X) / TileSize);
int bottomLeftY = (int)((gObj.Position.Y + (gObj.sprite.TextureRect.Height / 2) - 11 + gObj.MovingDirection.Y) / TileSize);
int bottomRightX = (int)((gObj.Position.X + (gObj.sprite.TextureRect.Width / 2) + gObj.MovingDirection.X) / TileSize);
int bottomRightY = (int)((gObj.Position.Y + (gObj.sprite.TextureRect.Height / 2) - 11 + gObj.MovingDirection.Y) / TileSize);
try
{
return tiles[topLeftX, topLeftY].Walkable && tiles[topRightX, topRightY].Walkable
&& tiles[bottomLeftX, bottomLeftY].Walkable && tiles[bottomRightX, bottomRightY].Walkable;
}
catch (IndexOutOfRangeException)
{
return false;
}
}