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Vector2f direction = new Vector2f(playerx, playery);
mapx -= 0.1f * delta * Math.cos(Math.toRadians(direction.getTheta()));
mapy -= 0.1f * delta * Math.sin(Math.toRadians(direction.getTheta()));

public int x = 300, y = 300; // These will be used for your player. change accordingly.
public int mapX = 0, mapY = 0; //These will be for the maps location when you draw it.
public Image map;
public float speed = 0.1f * delta; // This is for the speed of the map. change in .1 increments to if too slow.
public Vector2f direction;

//In the init Method
map = new Image("MAP LOCATION HERE");

//In the render Method
map.draw(mapX, mapY);

//In the update Method
Input input = container.getInput();
direction = new Vector2f(x, y);

if(input.isKeyDown(Input.KEY_LEFT) {   
   mapX += speed * Math.cos(Math.toRadians(direction.getTheta()));
   }
if(input.isKeyDown(Input.KEY_RIGHT) {
   mapX -= speed * Math.cos(Math.toRadians(direction.getTheta()));
   }
if(input.isKeyDown(Input.KEY_UP) {
   mapY += speed * Math.sin(Math.toRadians(direction.getTheta()));
   }
if(input.isKeyDown(Input.KEY_DOWN) {
   mapY -= speed * Math.sin(Math.toRadians(direction.getTheta()));
   }

   public float XOffset;
   public float YOffset;
   
   // How close you'll need to get to the edge of the screen to start moving the camera
   // (in pixels)
   private float sideBuffer;
   
   public Camera()
   {
      XOffset = 0;
      YOffset = 0;
      
      sideBuffer = 150;
   }
   
   public void moveX(float offset)
   {
      XOffset -= offset;
   }
   
   public void moveY(float offset)
   {
      YOffset -= offset;
   }
   
   public boolean isOutsideBoundsX(float x)
   {
      if (
            x + XOffset < sideBuffer
            || x + XOffset > CUtil.Dimensions.width - sideBuffer
            )
         return true;
      return false;      
   }
   
   public boolean isOutsideBoundsY(float y)
   {
      if (
            y + YOffset < sideBuffer
            || y + YOffset > CUtil.Dimensions.height - sideBuffer
            )
         return true;
      return false;      
   }

fXpos += xDif;
      fYpos += yDif;
      
      if ( CUtil.GameCamera.isOutsideBoundsX(fXpos) )
      {
         CUtil.GameCamera.moveX(xDif);
      }
      if ( CUtil.GameCamera.isOutsideBoundsY(fYpos) )
      {
         CUtil.GameCamera.moveY(yDif);
      }   

public void draw(Graphics g)
   {   
      mTexture.setRotation(fAngle);
      
      mTexture.draw(
            (iXpos - (iWidth * fScale) / 2) + (bIsCamered ? CUtil.GameCamera.XOffset : 0),
            (iYpos - (iHeight * fScale) / 2) + (bIsCamered ? CUtil.GameCamera.YOffset : 0),
            fScale);
   }