public NinjaSprite(ImagesLoader im, String name, int p) {
      super(Variables.pWidth/2, 0, Variables.pWidth, Variables.pHeight, im, name);
      setStep(5,0);
      locy = Variables.pHeight/2 + 25;
      period = p;
   } // end of ninja sprite

    public void moveLeft()
     /* Request that the sprite move to the left. It doesn't
        actually move, but changes its image and status flags. */
     { setImage("leftPlayer");
     System.out.println("player period: " + period);
       loopImage(period, DURATION);   // cycle through the images
       isFacingRight = false;  isStill = false;
       super.updateSprite();
     }

     public void moveRight()
     /* Request that the sprite move to the right. It doesn't
        actually move, but changes its image and status flags. */
     { setImage("rightPlayer");
       loopImage(period, DURATION);   // cycle through the images
       isFacingRight = true;  isStill = false;
       super.updateSprite();
     }

     public void stayStill()
     /* Request that the sprite stops. It stops the
        image animation and sets the isStill status flag. */
     { stopLooping(); 
       isStill = true;
     }

public class Zombie extends Sprite{
private String zName;

   public Zombie(int x, ImagesLoader imsld, String name, int p){
      super(Variables.pWidth/2, 0, Variables.pWidth, Variables.pHeight, imsld, name);
      period = p;
      locx = x;
      zName = name;
      setStep(1,0);
      System.out.println("zombie period " + period);
   }   
   public void move(int target){ // zombies attempt to move towards the player
      if(locx > target){
         this.setImage(zName);
         locx -= Variables.zombieSpeed;
         loopImage(period, DURATION);   // cycle through the images
         }
      else if(locx < target){
         this.setImage(zName);
         locx += Variables.zombieSpeed;
         loopImage(period, DURATION);   // cycle through the images
      }
   } //end of updateSprite
}

   public boolean door(int playerX, int playerY){
      System.out.println("pixel color: " + imLd.getImage(ribImages[level-1]).getRGB(playerX, playerY));
      if(imLd.getImage(ribImages[level-1]).getRGB(playerX, playerY)== 573128);
      isOverDoor = true;
      return isOverDoor;
   }

ribsMan.door(ninja.locx+ninja.width/2, ninja.locy-150);  
//This is just a point I am feeding in that I know is on the door with nothing blocking it. 
//I will change it to be not hardcoded once I get it working.

      xVelocity = (int)(2 * velocity * Math.cos(theta));
      yVelocity = (int)(2 * velocity * Math.sin(theta));
      

   synchronized public void move(){
      System.out.println("yvel " + yVelocity);
      System.out.println("xvel " + xVelocity);
            if(newY < upperMax){ 
               active = false;
               }
               theta = (float) Math.toDegrees(Math.atan2(launchX - initialX, launchX - initialY));

                  yVelocity += gravity*2;  // Update yvelocity due to gravity

                  newY -= yVelocity;  // update y position.

                  newX += xVelocity;  // assuming no wind resistance, xVelocity is constant throughout.

         } // end move

   

   private double velocity = (Math.sqrt(Math.pow((launchX-newX), 2) + (Math.pow((launchY-newY),2))))/150; // c^2 = sqrt(a^2 + b^2)
   private double gravity = 1;  
   private int launchX; // mouse input
   private int launchY; // mouse input
   private double initialX; // origin
   private double initialY; // origin

   synchronized public void move(){
      //currentTime = System.nanoTime() - startTime;
            if(newY < upperMax){ 
               active = false;
               }
               theta = (float) Math.toDegrees(Math.atan2(launchX - initialX, launchX - initialY));
                newX = (int)(newX + ((moveSpeed * velocity))); 
                newY = (int)(newY + ((-velocity + (gravity * velocity)) * -Math.cos(theta))); 
               
         } // end move