erland.game.tetris
Class Block7

java.lang.Object
  erland.game.tetris.Block
      erland.game.tetris.Block7

All Implemented Interfaces:

java.lang.Cloneable

class Block7

extends Block

Represents the block:
xx00
0xx0

Author:

Erland Isaksson

Field Summary

protected static java.awt.Color	color The color of the block
protected int	rotation rotation angle of block
protected int	x x position of block(This is a block coordinate and not a pixel coordinate)
protected int	y y position of block(This is a block coordinate and not a pixel coordinate)

Constructor Summary

(package private)

Block7()

Method Summary

protected boolean	check(BlockMatrix m, int x, int y, int rotation) Check if it is possible to put the block in the specified position and rotation angle
java.lang.Object	clone()
java.awt.Color	getColor() Get the color of the block
int	getRotation() Get the rotation of the block
int	getX()
int	getY()
protected void	init(int x, int y, int rotation) Initialize block
boolean	moveDown(BlockMatrix m) Move block once step down
boolean	moveLeft(BlockMatrix m) Move the block one step left
boolean	moveRight(BlockMatrix m) Move the block one step right
boolean	rotateLeft(BlockMatrix m) Rotate the block 90 degrees counter clockwize
boolean	rotateRight(BlockMatrix m) Rotate the block 90 degrees clockwize
protected void	set(BlockMatrix m, int x, int y, int rotation) Put the block in the specified position and rotation angle
protected void	unset(BlockMatrix m, int x, int y, int rotation) Remove the block from the specified position and rotation angle

Methods inherited from class java.lang.Object

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

Field Detail

color

protected static java.awt.Color color

The color of the block

rotation

protected int rotation

rotation angle of block

x

protected int x

x position of block(This is a block coordinate and not a pixel coordinate)

y

protected int y

y position of block(This is a block coordinate and not a pixel coordinate)

Constructor Detail

Block7

Block7()

Method Detail

getColor

public java.awt.Color getColor()

Description copied from class: Block

Get the color of the block

Specified by:

getColor in class Block

Returns:

The color of the block

check

protected boolean check(BlockMatrix m,
                        int x,
                        int y,
                        int rotation)

Description copied from class: Block

Check if it is possible to put the block in the specified position and rotation angle

Specified by:

check in class Block

Parameters:

m - The BlockMatrix in which the block resides

x - The x position which should be checked(Block coordinate)

y - The y position which should be checked(Block coordinate)

rotation - The rotation angle which should be checked

Returns:

true/false (Success/Failure)

unset

protected void unset(BlockMatrix m,
                     int x,
                     int y,
                     int rotation)

Description copied from class: Block

Remove the block from the specified position and rotation angle

Specified by:

unset in class Block

Parameters:

m - The BlockMatrix in which the block resides

x - The x position (Block coordinate)

y - The y position (Block coordinate)

rotation - The rotation angle

set

protected void set(BlockMatrix m,
                   int x,
                   int y,
                   int rotation)

Description copied from class: Block

Put the block in the specified position and rotation angle

Specified by:

set in class Block

Parameters:

m - The BlockMatrix in which the block resides

x - The x position (Block coordinate)

y - The y position (Block coordinate)

rotation - The rotation angle

clone

public java.lang.Object clone()

getRotation

public int getRotation()

Get the rotation of the block

Returns:

The rotation of the block 0,1,2,3

getX

public int getX()

getY

public int getY()

init

protected void init(int x,
                    int y,
                    int rotation)

Initialize block

Parameters:

x - x position of block(Block coordinate)

y - y position of block(Block coordinate)

rotation - rotation angle of block

moveDown

public boolean moveDown(BlockMatrix m)

Move block once step down

Parameters:

m - The BlockMatrix in which the block resides

Returns:

true/false (Success/Failure)

moveRight

public boolean moveRight(BlockMatrix m)

Move the block one step right

Parameters:

m - The BlockMatrix in which the block resides

Returns:

true/false (Success/Failure)

moveLeft

public boolean moveLeft(BlockMatrix m)

Move the block one step left

Parameters:

m - The BlockMatrix in which the block resides

Returns:

true/false (Success/Failure)

rotateRight

public boolean rotateRight(BlockMatrix m)

Rotate the block 90 degrees clockwize

Parameters:

m - The BlockMatrix in which the block resides

Returns:

true/false (Success/Failure)

rotateLeft

public boolean rotateLeft(BlockMatrix m)

Rotate the block 90 degrees counter clockwize

Parameters:

m - The BlockMatrix in which the block resides

Returns:

true/false (Success/Failure)