for (int i = 0; i < monster.length; i++) {
            int xwertmonster = monster[i].getPosition().getX();
            int ywertmonster = monster[i].getPosition().getY();

            if (nahrung == nahrungmax) {
                return EventType.LEVEL_FINISHED;
            }

            if (ywertmonster != ywertplayer && xwertmonster != xwertplayer) {
                return  EventType.NONE;
            }
            if ((monster[i].getDirection().equals(Direction.EAST)
                    && (player.getDirection().equals(Direction.WEST)))
                    && (xwertmonster - xwertplayer) == 1) {
                xwertplayer += 1;
                Position zwischenmonsterundplayer =
                    new Position(xwertplayer, ywertplayer);
                if (!getWorld().isValid(zwischenmonsterundplayer)) {
                    return EventType.NONE;
                }
                return EventType.COLLISION_EVEN;
            }
            if ((monster[i].getDirection().equals(Direction.NORTH)
                    && (player.getDirection().equals(Direction.SOUTH)))
                    && (xwertmonster - xwertplayer) == 1) {
                ywertplayer += 1;
                Position zwischenmonsterundplayer =
                    new Position(xwertplayer, ywertplayer);
                if (!getWorld().isValid(zwischenmonsterundplayer)) {
                    return EventType.NONE;
                }
                return EventType.COLLISION_EVEN;
            }
            if ((monster[i].getDirection().equals(Direction.WEST)
                    && (player.getDirection().equals(Direction.EAST)))
                    && (xwertmonster - xwertplayer) == 1) {
                xwertplayer += 1;
                Position zwischenmonsterundplayer =
                    new Position(xwertplayer, ywertplayer);
                if (!getWorld().isValid(zwischenmonsterundplayer)) {
                    return EventType.NONE;
                }
                return EventType.COLLISION_EVEN;
            }
            if ((monster[i].getDirection().equals(Direction.SOUTH)
                    && (player.getDirection().equals(Direction.NORTH)))
                    && (xwertmonster - xwertplayer) == 1) {
                Position zwischenmonsterundplayer =
                    new Position(xwertplayer, ywertplayer);
                if (!getWorld().isValid(zwischenmonsterundplayer)) {
                    return EventType.NONE;
                }
                return EventType.COLLISION_EVEN;
            }
            if ((monster[i].getDirection().equals(Direction.EAST)
                    && (player.getDirection().equals(Direction.WEST)))
                    && (xwertmonster - xwertplayer) == 0) {
                return EventType.COLLISION_ODD;
            }
            if ((monster[i].getDirection().equals(Direction.NORTH)
                    && (player.getDirection().equals(Direction.SOUTH)))
                    && (xwertmonster - xwertplayer) == 0) {
                return EventType.COLLISION_ODD;
            }
            if ((monster[i].getDirection().equals(Direction.WEST)
                    && (player.getDirection().equals(Direction.EAST)))
                    && (xwertmonster - xwertplayer) == 0) {
                return EventType.COLLISION_ODD;
            }
            if ((monster[i].getDirection().equals(Direction.SOUTH)
                    && (player.getDirection().equals(Direction.NORTH)))
                    && (xwertmonster - xwertplayer) == 0) {
                return EventType.COLLISION_ODD;
            }
        }
        return EventType.NONE;