Project 3 - Play Tetris

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Constant Field Values

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edu.vt.*

  • edu.vt.cs5044.tetris.Board 
    Modifier and Type Constant Field Value
    public static final int HEIGHT 24
    public static final int HEIGHT_LIMIT 20
    public static final int WIDTH 10
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edu/vt/cs5044/tetris/Tetris5044.html

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Class Tetris5044

  • Object
    • Application
      • Tetris5044
  • public class Tetris5044
extends Application
    The main application class; for internal use only.
    Version:
    1.0

    • Nested Class Summary

      • Nested classes/interfaces inherited from class Application

        Application.Parameters

    • Field Summary

      • Fields inherited from class Application

        STYLESHEET_CASPIAN, STYLESHEET_MODENA

    • Constructor Summary

      Constructors 
      Constructor and Description
      Tetris5044() 

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      static void main(String[] args) For internal use only.
      void start(Stage primaryStage) For internal use only.

      • Methods inherited from class Application

        getHostServices, getParameters, getUserAgentStylesheet, init, launch, launch, notifyPreloader, setUserAgentStylesheet, stop

      • Methods inherited from class Object

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

    • Constructor Detail

      • Tetris5044
        public Tetris5044()

    • Method Detail

      • start
        public void start(Stage primaryStage)
           throws Exception
        For internal use only.
        Specified by:
        start in class Application
        Parameters:
        primaryStage - for internal use only.
        Throws:
        Exception - for internal use only.
      • main
        public static void main(String[] args)
        For internal use only.
        Parameters:
        args - ignored.
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edu/vt/cs5044/tetris/RandomMode.html

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Enum RandomMode

  • All Implemented Interfaces:
    Serializable, Comparable<RandomMode>
    public enum RandomMode
extends Enum<RandomMode>
    Enumerates the modes of randomness used for generating shapes for games of tetris.

    • Enum Constant Summary

      Enum Constants 
      Enum Constant and Description
      NORMAL Stream of randomness that is not repeatable.
      TEST1 Repeatable stream of randomness number 1.
      TEST2 Repeatable stream of randomness, number 2.
      TEST3 Repeatable stream of randomness, number 3.
      TEST4 Repeatable streams of randomness, number 4.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method and Description
      static Set<RandomMode> getTestSet() Fetch the set of all test-related values.
      static RandomMode valueOf(String name) Returns the enum constant of this type with the specified name.
      static RandomMode[] values() Returns an array containing the constants of this enum type, in the order they are declared.

      • Methods inherited from class Enum

        clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

      • Methods inherited from class Object

        getClass, notify, notifyAll, wait, wait, wait

    • Enum Constant Detail

      • NORMAL
        public static final RandomMode NORMAL
        Stream of randomness that is not repeatable.
      • TEST1
        public static final RandomMode TEST1
        Repeatable stream of randomness number 1.
      • TEST2
        public static final RandomMode TEST2
        Repeatable stream of randomness, number 2.
      • TEST3
        public static final RandomMode TEST3
        Repeatable stream of randomness, number 3.
      • TEST4
        public static final RandomMode TEST4
        Repeatable streams of randomness, number 4.

    • Method Detail

      • values
        public static RandomMode[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 
        for (RandomMode c : RandomMode.values())
    System.out.println(c);
        Returns:
        an array containing the constants of this enum type, in the order they are declared
      • valueOf
        public static RandomMode valueOf(String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        IllegalArgumentException - if this enum type has no constant with the specified name
        NullPointerException - if the argument is null
      • getTestSet
        public static Set<RandomMode> getTestSet()
        Fetch the set of all test-related values. This set includes all RandomMode values except NORMAL.
        Returns:
        set of test-related values.
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edu.vt.cs5044.tetris

Interfaces

Classes

Enums

edu/vt/cs5044/tetris/Placement.html

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Class Placement

  • Object
    • Placement
  • public class Placement
extends Object
    Represents a single possible placement of a shape. The placement is specified by a rotation along with the horizontal location of the left-most block of the rotated shape

    • Constructor Summary

      Constructors 
      Constructor and Description
      Placement(Rotation rotation, int column) Construct a new object with the specified parameters.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      boolean equals(Object obj) Test for equality with another Placement.
      int getColumn() Fetch specified column.
      Rotation getRotation() Fetch specified rotation.
      int hashCode()
      String toString() Generates a simple human-readable representation of this object.

      • Methods inherited from class Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • Placement
        public Placement(Rotation rotation,
                 int column)
        Construct a new object with the specified parameters.
        Parameters:
        rotation - number of rotations to apply to the shape.
        column - left-most block of the rotated shape goes in this column.

    • Method Detail

      • getRotation
        public Rotation getRotation()
        Fetch specified rotation.
        Returns:
        rotation.
      • getColumn
        public int getColumn()
        Fetch specified column. The left-most column of the board is 0. The left-most block of the rotated shape goes in the specified column.
        Returns:
        column.
      • toString
        public String toString()
        Generates a simple human-readable representation of this object.
        Overrides:
        toString in class Object
        Returns:
        simple representation of this object.
      • equals
        public boolean equals(Object obj)
        Test for equality with another Placement. Two placements are equal if and only if they contain the same column and rotation values.
        Overrides:
        equals in class Object
        Parameters:
        obj - the other placement.
        Returns:
        true if the placements are equivalent; false otherwise.
      • hashCode
        public int hashCode()
        Overrides:
        hashCode in class Object
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edu/vt/cs5044/tetris/Board.html

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Class Board

  • Object
    • Board
  • public class Board
extends Object
    Represents a Tetris game board, including all fixed blocks. This class is effectively immutable, because there are no public mutators.

    • Field Summary

      Fields 
      Modifier and Type Field and Description
      static int HEIGHT Height of all game boards, in blocks.
      static int HEIGHT_LIMIT Height limit of all game boards, in blocks.
      static int WIDTH Width of all game boards, in blocks.

    • Constructor Summary

      Constructors 
      Constructor and Description
      Board() Construct a new empty board with no fixed blocks.
      Board(String... initialBlocks) Construct a new board with the specified initial blocks.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      boolean equals(Object obj) Test for equality with another Board.
      Board getResultBoard(Shape shape, Placement place) Generate a new board that is the result of placing a shape in this board.
      int hashCode()
      boolean isBlockAt(int col, int row) Check for a fixed block at a specified location.
      String toString() Generate a multi-line ASCII art visualization of this board.

      • Methods inherited from class Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    • Field Detail

      • WIDTH
        public static final int WIDTH
        Width of all game boards, in blocks.
        See Also:
        Constant Field Values
      • HEIGHT
        public static final int HEIGHT
        Height of all game boards, in blocks.
        See Also:
        Constant Field Values
      • HEIGHT_LIMIT
        public static final int HEIGHT_LIMIT
        Height limit of all game boards, in blocks. If any block becomes fixed at or above this row index, the game ends.
        See Also:
        Constant Field Values

    • Constructor Detail

      • Board
        public Board()
        Construct a new empty board with no fixed blocks.
      • Board
        public Board(String... initialBlocks)
        Construct a new board with the specified initial blocks. Specify a variable number of String values as arguments. Each String represents one row of the board. The last row is placed at the bottom of the board. No more than HEIGHT_LIMIT rows may be specified. If fewer rows are specified, the unspecified rows will be empty. Each row must have exactly WIDTH characters. The first character represents the left edge of the board. Each character must be either a space ' ' or a hash '#'. A hash means a single fixed block exists at that position. A space means no fixed block exists at that position.
        Parameters:
        initialBlocks - blocks to include in the board

    • Method Detail

      • isBlockAt
        public boolean isBlockAt(int col,
                         int row)
        Check for a fixed block at a specified location.
        Parameters:
        col - column number; left-most column is zero
        row - row number; bottom-most row is zero
        Returns:
        true if a fixed block is at this location; false otherwise
      • getResultBoard
        public Board getResultBoard(Shape shape,
                            Placement place)
        Generate a new board that is the result of placing a shape in this board. First a copy of this board is created. The shape is placed at the top of this copy, rotated according to the placement, then moved horizontally such that the left-most block is in the specified column. The block is then dropped until it locks into place, then all completely full rows (if any) are cleared as in normal play. The result of this activity is returned.

        Note: This method is not a mutator; it does not change this board object.

        Parameters:
        shape - the Shape to place.
        place - a Placement containing the rotation and location of the shape.
        Returns:
        a new Board representing the result of the placement.
      • toString
        public String toString()
        Generate a multi-line ASCII art visualization of this board. The walls of the board are represented as '*' characters above the HEIGHT_LIMIT, and as '|' characters otherwise. The bottom of the board is represented by a row of '-' characters. Fixed blocks are represented by '#' characters.
        Overrides:
        toString in class Object
        Returns:
        a rudimentary depiction of the board.
      • equals
        public boolean equals(Object obj)
        Test for equality with another Board. Two boards are equal if and only if they contain the same arrangement of fixed blocks.
        Overrides:
        equals in class Object
        Parameters:
        obj - the other board.
        Returns:
        true if the boards are equivalent; false otherwise.
      • hashCode
        public int hashCode()
        Overrides:
        hashCode in class Object
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edu/vt/cs5044/tetris/AI.html

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edu.vt.cs5044.tetris

Interface AI

  • public interface AI
    Interface the game engine uses to communicate with AI implementations. You must develop an implementation of this interface.

    • Method Detail

      • findBestPlacement
        Placement findBestPlacement(Board currentBoard,
                            Shape shape)
        Calculate the best placement available for a shape in a board. All possible columns for all possible rotations of the given shape should be considered. For each combination, implementations should call Board.getResultBoard(Shape, Placement) to generate the resultant board after a hypothetical placement. The implementation must calculate a relative cost value for ech resultant board, then return the Placement object associated with the lowest cost (most preferable).
        Parameters:
        currentBoard - the existing board.
        shape - the shape to be placed in the board.
        Returns:
        the best move as computed by the implementation.
      • getMaximumBlockHeight
        int getMaximumBlockHeight(Board board)
        Compute the maximum block height of a board (see academic note). Finds the height of the upper-most block within a board. Note that a block in row r has a height of r+1.

        ACADEMIC NOTE: This method would normally be declared as private. We're exposing it as public only for testing purposes.

        Parameters:
        board - the Board to evaluate.
        Returns:
        the height of the of block in the largest row number.
      • getTotalBlockCount
        int getTotalBlockCount(Board board)
        Compute the total block count of a board (see academic note). Counts the total number of blocks residing within a board.

        ACADEMIC NOTE: This method would normally be declared as private. We're exposing it as public only for testing purposes.

        Parameters:
        board - the Board to evaluate.
        Returns:
        the total number of blocks.
      • getTotalGapCount
        int getTotalGapCount(Board board)
        Compute the total gap count of a board (see academic note). Counts the number of gaps residing within a board. A gap is a location without a block, where a block exists in any higher row of the same column.

        ACADEMIC NOTE: This method would normally be declared as private. We're exposing it as public only for testing purposes.

        Parameters:
        board - the Board to evaluate.
        Returns:
        the number of gaps.
      • getColumnHeightVariability
        int getColumnHeightVariability(Board board)
        Return the variability of column heights of a board (see academic note). The variability is defined here as the sum of the absolute values of differences in heights of adjacent columns, as measure from either edge of the board to the other. Note that for a board width w, there are w-1 adjacent column heights.

        ACADEMIC NOTE: This method would normally be declared as private. We're exposing it as public only for testing purposes.

        Parameters:
        board - the Board to evaluate.
        Returns:
        the variability of column heights.
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edu/vt/cs5044/tetris/package-summary.html

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Package edu.vt.cs5044.tetris

This package holds the internal components necessary for the game.

See: Description

  • Interface Summary 
    Interface Description
    AI Interface the game engine uses to communicate with AI implementations.
  • Class Summary 
    Class Description
    Board Represents a Tetris game board, including all fixed blocks.
    Placement Represents a single possible placement of a shape.
    ShapeStream Used to generate a stream of random shapes for a game of Tetris.
    Tetris5044 The main application class; for internal use only.
  • Enum Summary 
    Enum Description
    RandomMode Enumerates the modes of randomness used for generating shapes for games of tetris.
    Rotation Enumeration representing each of the four distinct rotations in Tetris.
    Shape Enumeration representing each of the seven distinct tetromino shapes.

Package edu.vt.cs5044.tetris Description

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edu/vt/cs5044/tetris/ShapeStream.html

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Class ShapeStream

  • Object
    • ShapeStream
  • public class ShapeStream
extends Object
    Used to generate a stream of random shapes for a game of Tetris.

    • Constructor Summary

      Constructors 
      Constructor and Description
      ShapeStream(RandomMode mode) Construct a new ShapeStream in the specified RandomMode.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      Shape nextShape() Fetch the next random Shape from this stream.

      • Methods inherited from class Object

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

    • Constructor Detail

      • ShapeStream
        public ShapeStream(RandomMode mode)
        Construct a new ShapeStream in the specified RandomMode.
        Parameters:
        mode - specifies the strategy for generating the random sequence; must not be null.

    • Method Detail

      • nextShape
        public Shape nextShape()
        Fetch the next random Shape from this stream.
        Returns:
        the next random Shape from this stream.
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edu/vt/cs5044/tetris/Shape.html

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Enum Shape

  • Object
  • All Implemented Interfaces:
    Serializable, Comparable<Shape>
    public enum Shape
extends Enum<Shape>
    Enumeration representing each of the seven distinct tetromino shapes.

    • Enum Constant Summary

      Enum Constants 
      Enum Constant and Description
      I The "I" shape.
      J The "J" shape.
      L The "L" shape.
      O The "O" shape.
      S The "S" shape.
      T The "T" shape.
      Z The "Z" shape.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      Set<Rotation> getRotationSet() Get the set of valid rotations for this shape.
      int getWidth(Rotation r) Get the width of this shape, in blocks, after applying a specified rotation.
      static Shape valueOf(String name) Returns the enum constant of this type with the specified name.
      static Shape[] values() Returns an array containing the constants of this enum type, in the order they are declared.

      • Methods inherited from class Enum

        clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

      • Methods inherited from class Object

        getClass, notify, notifyAll, wait, wait, wait

    • Enum Constant Detail

      • I
        public static final Shape I
        The "I" shape.
      • O
        public static final Shape O
        The "O" shape.
      • T
        public static final Shape T
        The "T" shape.
      • J
        public static final Shape J
        The "J" shape.
      • L
        public static final Shape L
        The "L" shape.
      • S
        public static final Shape S
        The "S" shape.
      • Z
        public static final Shape Z
        The "Z" shape.

    • Method Detail

      • values
        public static Shape[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 
        for (Shape c : Shape.values())
    System.out.println(c);
        Returns:
        an array containing the constants of this enum type, in the order they are declared
      • valueOf
        public static Shape valueOf(String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        IllegalArgumentException - if this enum type has no constant with the specified name
        NullPointerException - if the argument is null
      • getRotationSet
        public Set<Rotation> getRotationSet()
        Get the set of valid rotations for this shape. Returns a set of Rotation values that can be applied to this shape to result in distinct orientations.
        Returns:
        the a set of Rotation values.
      • getWidth
        public int getWidth(Rotation r)
        Get the width of this shape, in blocks, after applying a specified rotation. The rotation parameter must be contained in the Set returned by getRotationSet().
        Parameters:
        r - the rotation to apply.
        Returns:
        the width of the rotated shape, in blocks.
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edu/vt/cs5044/tetris/Rotation.html

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Enum Rotation

  • All Implemented Interfaces:
    Serializable, Comparable<Rotation>
    public enum Rotation
extends Enum<Rotation>
    Enumeration representing each of the four distinct rotations in Tetris.

    • Enum Constant Summary

      Enum Constants 
      Enum Constant and Description
      CCW_180 Rotate 180° counter-clockwise.
      CCW_270 Rotate 270° counter-clockwise.
      CCW_90 Rotate 90° counter-clockwise.
      NONE No rotation; the default orientation.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method and Description
      static Rotation valueOf(String name) Returns the enum constant of this type with the specified name.
      static Rotation[] values() Returns an array containing the constants of this enum type, in the order they are declared.

      • Methods inherited from class Enum

        clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

      • Methods inherited from class Object

        getClass, notify, notifyAll, wait, wait, wait

    • Enum Constant Detail

      • NONE
        public static final Rotation NONE
        No rotation; the default orientation.
      • CCW_90
        public static final Rotation CCW_90
        Rotate 90° counter-clockwise.
      • CCW_180
        public static final Rotation CCW_180
        Rotate 180° counter-clockwise.
      • CCW_270
        public static final Rotation CCW_270
        Rotate 270° counter-clockwise.

    • Method Detail

      • values
        public static Rotation[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 
        for (Rotation c : Rotation.values())
    System.out.println(c);
        Returns:
        an array containing the constants of this enum type, in the order they are declared
      • valueOf
        public static Rotation valueOf(String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        IllegalArgumentException - if this enum type has no constant with the specified name
        NullPointerException - if the argument is null
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A B E F G H I M N P R S T V W 

A

AI - Interface in edu.vt.cs5044.tetris
Interface the game engine uses to communicate with AI implementations.

B

Board - Class in edu.vt.cs5044.tetris
Represents a Tetris game board, including all fixed blocks.
Board() - Constructor for class Board
Construct a new empty board with no fixed blocks.
Board(String...) - Constructor for class Board
Construct a new board with the specified initial blocks.

E

edu.vt.cs5044.tetris - package edu.vt.cs5044.tetris
This package holds the internal components necessary for the game.
equals(Object) - Method in class Board
Test for equality with another Board.
equals(Object) - Method in class Placement
Test for equality with another Placement.

F

findBestPlacement(Board, Shape) - Method in interface AI
Calculate the best placement available for a shape in a board.

G

getColumn() - Method in class Placement
Fetch specified column.
getColumnHeightVariability(Board) - Method in interface AI
Return the variability of column heights of a board (see academic note).
getMaximumBlockHeight(Board) - Method in interface AI
Compute the maximum block height of a board (see academic note).
getResultBoard(Shape, Placement) - Method in class Board
Generate a new board that is the result of placing a shape in this board.
getRotation() - Method in class Placement
Fetch specified rotation.
getRotationSet() - Method in enum Shape
Get the set of valid rotations for this shape.
getTestSet() - Static method in enum RandomMode
Fetch the set of all test-related values.
getTotalBlockCount(Board) - Method in interface AI
Compute the total block count of a board (see academic note).
getTotalGapCount(Board) - Method in interface AI
Compute the total gap count of a board (see academic note).
getWidth(Rotation) - Method in enum Shape
Get the width of this shape, in blocks, after applying a specified rotation.

H

hashCode() - Method in class Board
hashCode() - Method in class Placement
HEIGHT - Static variable in class Board
Height of all game boards, in blocks.
HEIGHT_LIMIT - Static variable in class Board
Height limit of all game boards, in blocks.

I

isBlockAt(int, int) - Method in class Board
Check for a fixed block at a specified location.

M

main(String[]) - Static method in class Tetris5044
For internal use only.

N

nextShape() - Method in class ShapeStream
Fetch the next random Shape from this stream.

P

Placement - Class in edu.vt.cs5044.tetris
Represents a single possible placement of a shape.
Placement(Rotation, int) - Constructor for class Placement
Construct a new object with the specified parameters.

R

RandomMode - Enum in edu.vt.cs5044.tetris
Enumerates the modes of randomness used for generating shapes for games of tetris.
Rotation - Enum in edu.vt.cs5044.tetris
Enumeration representing each of the four distinct rotations in Tetris.

S

Shape - Enum in edu.vt.cs5044.tetris
Enumeration representing each of the seven distinct tetromino shapes.
ShapeStream - Class in edu.vt.cs5044.tetris
Used to generate a stream of random shapes for a game of Tetris.
ShapeStream(RandomMode) - Constructor for class ShapeStream
Construct a new ShapeStream in the specified RandomMode.
start(Stage) - Method in class Tetris5044
For internal use only.

T

Tetris5044 - Class in edu.vt.cs5044.tetris
The main application class; for internal use only.
Tetris5044() - Constructor for class Tetris5044
 
toString() - Method in class Board
Generate a multi-line ASCII art visualization of this board.
toString() - Method in class Placement
Generates a simple human-readable representation of this object.

V

valueOf(String) - Static method in enum RandomMode
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum Rotation
Returns the enum constant of this type with the specified name.
valueOf(String) - Static method in enum Shape
Returns the enum constant of this type with the specified name.
values() - Static method in enum RandomMode
Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum Rotation
Returns an array containing the constants of this enum type, in the order they are declared.
values() - Static method in enum Shape
Returns an array containing the constants of this enum type, in the order they are declared.

W

WIDTH - Static variable in class Board
Width of all game boards, in blocks.
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