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JPAINT/jpaint/RandomPoint.java 1.86 KB
933d00ad   rlentieu   add JPaint
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  import java.awt.Color;

  /**

   * RandomPoint class is similar to a point with a color. It stores points, 

   * it is used for the random drawing method.

   **/

   public class RandomPoint

  {

  	private Color c;

  	private int x,y,width,height;

  	

  	/** Creates a default RandomPoint. **/

  	public RandomPoint(){}

  	

  	/** Creates a RandomPoint and takes in the screen sizes width and height. **/

  	public RandomPoint(int width, int height)

  	{

  		// takes in variables and then randomly generates a starting x 

  		// and y location

  		this.width = width;

  		this.height = height;

  		x = (int)(Math.random()*width);

  		y = (int)(Math.random()*height);

  	}

  	

  	/** Figures out the next x location. **/

  	public int nextX()

  	{

  		// checks if its a negative of a positive number then generates a random

  		// point up to 50 places away, if its out of bounds then it returns to

  		// the bounds

  		int sign = (int)(Math.random()*2);

  		if(sign == 0)

  			x = x + (int)(Math.random()*50+1);

  		else

  			x = x - (int)(Math.random()*50+1);

  		

  		if(x < 0)

  			x = 0;

  		if(x > width)

  			x = width;

  			

  		return x;

  	}

  	

  	/** Figures out the next y location. **/

  	public int nextY()

  	{

  		// checks if its a negative of a positive number then generates a random

  		// point up to 50 places away, if its out of bounds then it returns to

  		// the bounds

  		int sign = (int)(Math.random()*2);

  		if(sign == 0)

  			y = y + (int)(Math.random()*200+1);

  		else

  			y = y - (int)(Math.random()*200+1);

  		

  		if(y < 0)

  			y = 0;

  		if(y > height)

  			y = height;

  			

  		return y;

  	}

  	

  	/** This method returns a random color. **/

  	public Color getColor()

  	{

  		return new Color((int)(Math.random()*256),(int)(Math.random()*256),(int)(Math.random()*256));

  	}

  	

  	/** This method returns the x value. **/

  	public int getX(){return x;}

  	/** This method returns the y value. **/

  	public int getY(){return y;}

  }