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SanjiNaha

what is wrong with my code

By SanjiNaha, with no replies.
public class Pxl2 extends Actor { private int vSpeed = 0; private int acceleration = 1; private int jumpHeight= - 8; Ball2 ball2 = new Ball2(); Wall wall = new Wall(); /** * Act - do whatever the Pxl2 wants to do. This method is called whenever * the 'Act' or 'Run' button gets pressed in the environment. */ public void act() { movement(); checkFall(); images(); fireball(); fireWall(); dead(); } /** * This method lets the character move */ public void movement() { int y = getY(); int x = getX(); if(Greenfoot.isKeyDown("left")) { move(-5); } if(Greenfoot.isKeyDown("right")) { move(5); } if(Greenfoot.isKeyDown("up")) { jump(); } } /** * changes the images for the fighting */ public void images() { if(Greenfoot.isKeyDown("/")) { setImage("Rival-punch.png"); } else { setImage("Rival-1.png"); } if(Greenfoot.isKeyDown(".")) { setImage("Rival-kick.png"); } if(Greenfoot.isKeyDown("left")) { setImage("Rival-move-forward.png"); } if(Greenfoot.isKeyDown("right")) { setImage("Rival-move.png"); } } /** * makes the character jump */public void jump() { vSpeed= -5; gravity(); } /** * makes the character fall */ public void checkFall() { if(onGround()) { vSpeed = 0; } else { gravity(); } } /** * makes the fall look real */ private void gravity() { setLocation(getX(), getY() +vSpeed); vSpeed = vSpeed + acceleration; } /** * makes the character land on the ground */ public boolean onGround() { Actor under = getOneObjectAtOffset(0,getImage().getHeight()/2,Ground.class); return under != null; } /** * makes the character shoot the fireball */ public void fireball() { if (Greenfoot.isKeyDown("'")) { setImage("Rival-punch.png"); World MyWorld = getWorld(); MyWorld.addObject(ball2, 0, 0); ball2.setLocation(getX(), getY()); ball2.setRotation(getRotation()); } } /** * special ability activate. makes a fire wall */ public void fireWall() { if (Greenfoot.isKeyDown("0")) { setImage("Rival-punch.png"); World MyWorld = getWorld(); MyWorld.addObject(wall, 0, 0); wall.setLocation(getX(), getY()); wall.setRotation(getRotation()); } } public void dead() { if(isTouching(Giant.class)) { removeTouching(Giant.class); } } public void hitByFire() { Actor Fire = getObjectsAtOffset(10,10,Fire.class); if(Fire.class != null) { //World world = getWorld(); MyWorld myWorld = (MyWorld)getWorld; HealthBar2 HealthBar2 = MyWorld.getHealthBar2(); healthbar2.loseHealth(); } } }
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