Package se.lth.cs.pt.maze

Class Maze

  • public class Maze
extends java.lang.Object
    Describes a maze. The maze definition is read from a file.

    • Constructor Summary

      Constructors 
      Constructor Description
      Maze​(int nbr)
      Creates a maze with number nbr.
      Maze​(java.lang.String filename, int xEntry, int yEntry)
      Creates a maze based on an image file (.png or .jpg).

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean atExit​(int x, int y)
      Checks if the point x,y is at (or near) the exit.
      void draw​(SimpleWindow w)
      Draws the maze in a window.
      int getXEntry()
      Returns the x coordinate of the entry point.
      int getYEntry()
      Returns the y coordinate of the entry point.
      boolean wallAtLeft​(int direction, int x, int y)
      Check if you, when you're in x,y and heading in a given direction, have a wall directly to the left.
      boolean wallInFront​(int direction, int x, int y)
      Check if you, when you're in x,y and heading in a given direction, have a wall directly in front.

      • Methods inherited from class java.lang.Object

        clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • Maze

        public Maze​(int nbr)
        Creates a maze with number nbr. The maze definition is read from the file mazeN.maze (N: 1..6), which must be in cs_pt.jar, which must be on the class path.
        Parameters:
        nbr - the number of the maze

      • Maze

        public Maze​(java.lang.String filename,
            int xEntry,
            int yEntry)
        Creates a maze based on an image file (.png or .jpg).
        Parameters:
        filename - name of image file
        xEntry - x coordinate of the maze's entry point
        yEntry - y coordinate of the maze's entry point

    • Method Detail

      • draw

        public void draw​(SimpleWindow w)
        Draws the maze in a window.
        Parameters:
        w - the SimpleWindow to draw in

      • getXEntry

        public int getXEntry()
        Returns the x coordinate of the entry point.
        Returns:
        the x coordinate

      • getYEntry

        public int getYEntry()
        Returns the y coordinate of the entry point.
        Returns:
        the y coordinate

      • atExit

        public boolean atExit​(int x,
                      int y)
        Checks if the point x,y is at (or near) the exit.
        Parameters:
        x - the x coordinate
        y - the y coordinate
        Returns:
        true if the point is at the exit, false otherwise

      • wallAtLeft

        public boolean wallAtLeft​(int direction,
                          int x,
                          int y)
        Check if you, when you're in x,y and heading in a given direction, have a wall directly to the left.
        Parameters:
        direction - the direction (0, 90, 180, 270 degrees)
        x - the x coordinate
        y - the y coordinate
        Returns:
        true if there's a wall directly to the left, false otherwise

      • wallInFront

        public boolean wallInFront​(int direction,
                           int x,
                           int y)
        Check if you, when you're in x,y and heading in a given direction, have a wall directly in front.
        Parameters:
        direction - the direction (0, 90, 180, 270 degrees)
        x - the x coordinate
        y - the y coordinate
        Returns:
        true if there's a wall directly in front, false otherwise