Vector2D: changed double to int for all possible methods (getLength() for example not)
Vector2D: removed all functions regarding Normalize and Rotation
NextAgent/NextMap/NextMapTile: removed all (int) casts
NextAStarPath: (int) casts not removed, @A-V-Lorenz
Vector2D: changed double to int for all possible methods (getLength() for example not) Vector2D: removed all functions regarding Normalize and Rotation NextAgent/NextMap/NextMapTile: removed all (int) casts NextAStarPath: (int) casts not removed, @A-V-Lorenz