//Snake.java
//package SnakeGame;
import java.awt.*;
import java.util.*;

class Snake extends LinkedList
{
	public int snakeDirection = 2;
	public int snakeReDirection = 4;
	
	public Snake()
	{

		this.add( new Point( 3, 3 ) );
		this.add( new Point( 4, 3 ) );
		this.add( new Point( 5, 3 ) );
		this.add( new Point( 6, 3 ) );
		this.add( new Point( 7, 3 ) );
		this.add( new Point( 8, 3 ) );
		this.add( new Point( 9, 3 ) );
		this.add( new Point( 10, 3 ) );
		
	}
	
	public void changeDirection( Point temp, int direction )
	{

		this.snakeDirection = direction;
		switch( direction )
		{

			case 1://up
				this.snakeReDirection = 3;
				this.add( new Point( temp.x, temp.y - 1 ) );
				break;
			case 2://right
				this.snakeReDirection = 4;
				this.add( new Point( temp.x + 1, temp.y ) );
				break;
			case 3://down
				this.snakeReDirection = 1;
				this.add( new Point( temp.x, temp.y + 1 ) );
				break;
			case 4://left
				this.snakeReDirection = 2;
				this.add( new Point( temp.x - 1, temp.y ) );
				break;
		
		}
		
	}
	public boolean checkBeanIn( Point bean )
	{

		Point temp = (Point) this.getLast();
		if( temp.equals( bean ) )
		{
			return true;
		}
		return false;
		
	}
	public void removeTail()
	{
		this.remove( 0 );
	}
	public void drawSnake( Graphics g, int singleWidthX, int singleHeightY, int cooPos )
	{

		g.setColor( ColorGroup.COLOR_SNAKE );
		Iterator snakeSq = this.iterator();
		while ( snakeSq.hasNext() )
		{
			Point tempPoint = (Point)snakeSq.next();
			this.drawSnakePiece( g, tempPoint.x, tempPoint.y,
			singleWidthX, singleHeightY, cooPos );	
		}
		
	}
	public void drawSnakePiece( Graphics g, int temp1, int temp2,
	int singleWidthX, int singleHeightY, int cooPos )
	{

		g.fillRoundRect( singleWidthX * temp1 + 1,
		singleHeightY * temp2 + 1,
		singleWidthX - 2,
		singleHeightY - 2,
		cooPos,
		cooPos );
		
	}
	public void clearEndSnakePiece( Graphics g, int temp1, int temp2,
	int singleWidthX, int singleHeightY, int cooPos )
	{

		g.setColor( ColorGroup.COLOR_BACK );
		g.fillRoundRect( singleWidthX * temp1 + 1,
		singleHeightY * temp2 + 1,
		singleWidthX - 2,
		singleHeightY - 2,
		cooPos,
		cooPos );
		
	}

}