This is really urgent and I didnt think I would post on here but I need to make a game for a class project and everything is fine but the problem is that when the player gets attacked by the enemies and the enemies reduce the players health to 0 or lower than 0 the game just stops and the terminal window pops up. Also the healthbar does not drop down to 0 after the final blow, but the game stops anyway, which is the bigger problem.
Here is my player code:
and here is the code to my enemies class:
I would be super super thankful if anybody could help me because our teacher told us not to ask him for help
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// (World, Actor, GreenfootImage, Greenfoot und MouseInfo) public class player extends Animal { public boolean kaputt = false ; public int damage; public int vSpeed = 0 ; public int velocity = 1 ; private int jumpStrength = - 15 ; public int bulletspeed = 20 ; public static int level = 1 ; public int scene = 1 ; int scaleX= 150 ; int scaleY= 150 ; public int frame = 1 ; public int animCount = 0 ; public int animationCycles = 0 ; public int shootAnimFrame = 0 ; private boolean canShoot = true ; GreenfootImage idle1 = new GreenfootImage ( "1000013314.png" ); GreenfootImage idle2 = new GreenfootImage ( "1000013316.png" ); GreenfootImage idle3 = new GreenfootImage ( "1000013318.png" ); GreenfootImage idle4 = new GreenfootImage ( "1000013321.png" ); GreenfootImage idle5 = new GreenfootImage ( "1000013322.png" ); GreenfootImage idle6 = new GreenfootImage ( "1000013323.png" ); GreenfootImage idle7 = new GreenfootImage ( "1000013324.png" ); GreenfootImage idle8 = new GreenfootImage ( "1000013325.png" ); GreenfootImage idle9 = new GreenfootImage ( "1000013327.png" ); GreenfootImage idle10 = new GreenfootImage ( "1000013329.png" ); GreenfootImage idle11 = new GreenfootImage ( "1000013330.png" ); GreenfootImage idle12 = new GreenfootImage ( "1000013331.png" ); GreenfootImage idle13 = new GreenfootImage ( "1000013332.png" ); GreenfootImage idle14 = new GreenfootImage ( "1000013333.png" ); GreenfootImage idle15 = new GreenfootImage ( "1000013335.png" ); GreenfootImage idle16 = new GreenfootImage ( "1000013336.png" ); GreenfootImage idle17 = new GreenfootImage ( "1000013338.png" ); GreenfootImage idle18 = new GreenfootImage ( "1000013339.png" ); GreenfootImage idle19 = new GreenfootImage ( "1000013340.png" ); GreenfootImage idle20 = new GreenfootImage ( "1000013342.png" ); GreenfootImage runright1 = new GreenfootImage ( "1000013440.png" ); GreenfootImage runright2 = new GreenfootImage ( "1000013495.png" ); GreenfootImage runright3 = new GreenfootImage ( "1000013440.png" ); GreenfootImage runright4 = new GreenfootImage ( "1000013499.png" ); GreenfootImage runleft1 = new GreenfootImage ( "1000013532.png" ); GreenfootImage runleft2 = new GreenfootImage ( "1000013533.png" ); GreenfootImage runleft3 = new GreenfootImage ( "1000013532.png" ); GreenfootImage runleft4 = new GreenfootImage ( "1000013534.png" ); GreenfootImage shr1 = new GreenfootImage ( "shr1.png" ); GreenfootImage shr2 = new GreenfootImage ( "shr2.png" ); GreenfootImage shr3 = new GreenfootImage ( "shr3.png" ); GreenfootImage shr4 = new GreenfootImage ( "shr4.png" ); GreenfootImage shl1 = new GreenfootImage ( "shl1.png" ); GreenfootImage shl2 = new GreenfootImage ( "shl2.png" ); GreenfootImage shl3 = new GreenfootImage ( "shl3.png" ); GreenfootImage shl4 = new GreenfootImage ( "shl4.png" ); private int health = 200 ; private GreenfootImage healthBarBackground = new GreenfootImage( 200 , 10 ); private GreenfootImage healthBar = new GreenfootImage( 200 , 10 ); private boolean invincible = false ; private int invincibilityTimer = 0 ; private int flashCount = 0 ; private int flashTimer = 0 ; private boolean facingRight = true ; private GreenfootImage idleRightImage1; private GreenfootImage idleLeftImage1; private GreenfootImage idleRightImage2; private GreenfootImage idleLeftImage2; private GreenfootImage idleRightImage3; private GreenfootImage idleLeftImage3; private GreenfootImage idleRightImage4; private GreenfootImage idleLeftImage4; private GreenfootImage idleRightImage5; private GreenfootImage idleLeftImage5; private GreenfootImage idleRightImage6; private GreenfootImage idleLeftImage6; private GreenfootImage idleRightImage7; private GreenfootImage idleLeftImage7; private GreenfootImage idleRightImage8; private GreenfootImage idleLeftImage8; private GreenfootImage idleRightImage9; private GreenfootImage idleLeftImage9; private GreenfootImage idleRightImage10; private GreenfootImage idleLeftImage10; private GreenfootImage idleRightImage11; private GreenfootImage idleLeftImage11; private GreenfootImage idleRightImage12; private GreenfootImage idleLeftImage12; private GreenfootImage idleRightImage13; private GreenfootImage idleLeftImage13; private GreenfootImage idleRightImage14; private GreenfootImage idleLeftImage14; private GreenfootImage idleRightImage15; private GreenfootImage idleLeftImage15; private GreenfootImage idleRightImage16; private GreenfootImage idleLeftImage16; private GreenfootImage idleRightImage17; private GreenfootImage idleLeftImage17; private GreenfootImage idleRightImage18; private GreenfootImage idleLeftImage18; private GreenfootImage idleRightImage19; private GreenfootImage idleLeftImage19; private GreenfootImage idleRightImage20; private GreenfootImage idleLeftImage20; private int shootCooldown = 0 ; private int shootCooldownTime = 30 ; private boolean isShooting = false ; public player() { idleRightImage1 = new GreenfootImage( "1000013314.png" ); idleLeftImage1 = new GreenfootImage(idleRightImage1); idleLeftImage1.mirrorHorizontally(); idleRightImage2 = new GreenfootImage( "1000013316.png" ); idleLeftImage2 = new GreenfootImage(idleRightImage2); idleLeftImage2.mirrorHorizontally(); idleRightImage3 = new GreenfootImage( "1000013318.png" ); idleLeftImage3 = new GreenfootImage(idleRightImage3); idleLeftImage3.mirrorHorizontally(); idleRightImage4 = new GreenfootImage( "1000013321.png" ); idleLeftImage4 = new GreenfootImage(idleRightImage4); idleLeftImage4.mirrorHorizontally(); idleRightImage5 = new GreenfootImage( "1000013322.png" ); idleLeftImage5 = new GreenfootImage(idleRightImage5); idleLeftImage5.mirrorHorizontally(); idleRightImage6 = new GreenfootImage( "1000013323.png" ); idleLeftImage6 = new GreenfootImage(idleRightImage6); idleLeftImage6.mirrorHorizontally(); idleRightImage7 = new GreenfootImage( "1000013324.png" ); idleLeftImage7 = new GreenfootImage(idleRightImage7); idleLeftImage7.mirrorHorizontally(); idleRightImage8 = new GreenfootImage( "1000013325.png" ); idleLeftImage8 = new GreenfootImage(idleRightImage8); idleLeftImage8.mirrorHorizontally(); idleRightImage9 = new GreenfootImage( "1000013327.png" ); idleLeftImage9 = new GreenfootImage(idleRightImage9); idleLeftImage9.mirrorHorizontally(); idleRightImage10 = new GreenfootImage( "1000013329.png" ); idleLeftImage10 = new GreenfootImage(idleRightImage10); idleLeftImage10.mirrorHorizontally(); idleRightImage11 = new GreenfootImage( "1000013330.png" ); idleLeftImage11 = new GreenfootImage(idleRightImage11); idleLeftImage11.mirrorHorizontally(); idleRightImage12 = new GreenfootImage( "1000013331.png" ); idleLeftImage12 = new GreenfootImage(idleRightImage12); idleLeftImage12.mirrorHorizontally(); idleRightImage13 = new GreenfootImage( "1000013332.png" ); idleLeftImage13 = new GreenfootImage(idleRightImage13); idleLeftImage13.mirrorHorizontally(); idleRightImage14 = new GreenfootImage( "1000013333.png" ); idleLeftImage14 = new GreenfootImage(idleRightImage14); idleLeftImage14.mirrorHorizontally(); idleRightImage15 = new GreenfootImage( "1000013335.png" ); idleLeftImage15 = new GreenfootImage(idleRightImage15); idleLeftImage15.mirrorHorizontally(); idleRightImage16 = new GreenfootImage( "1000013336.png" ); idleLeftImage16 = new GreenfootImage(idleRightImage16); idleLeftImage16.mirrorHorizontally(); idleRightImage17 = new GreenfootImage( "1000013338.png" ); idleLeftImage17 = new GreenfootImage(idleRightImage17); idleLeftImage17.mirrorHorizontally(); idleRightImage18 = new GreenfootImage( "1000013339.png" ); idleLeftImage18 = new GreenfootImage(idleRightImage18); idleLeftImage18.mirrorHorizontally(); idleRightImage19 = new GreenfootImage( "1000013340.png" ); idleLeftImage19 = new GreenfootImage(idleRightImage19); idleLeftImage19.mirrorHorizontally(); idleRightImage20 = new GreenfootImage( "1000013342.png" ); idleLeftImage20 = new GreenfootImage(idleRightImage20); idleLeftImage20.mirrorHorizontally(); healthBarBackground.setColor(Color.GRAY); healthBarBackground.fill(); healthBar.setColor(Color.RED); healthBar.fill(); GreenfootImage img = getImage(); img.scale(scaleX, scaleY); setImage(img); } public void act() { if (invincible) { invincibilityTimer--; if (invincibilityTimer > 0 && flashCount < 3 ) { flashTimer++; if (flashTimer >= 10 ) { toggleTransparency(); flashTimer = 0 ; flashCount++; } } if (flashCount >= 3 ) { stopFlashing(); } } if (invincibilityTimer <= 0 ) { invincible = false ; setTransparency( 255 ); flashCount = 0 ; flashTimer = 0 ; } if (shootCooldown > 0 ) { shootCooldown--; } if (!canShoot) { shootCooldown--; if (shootCooldown <= 0 ) { canShoot = true ; } } checkWorldChange(); animCount = animCount + 1 ; move(); checkFall(); checkCeiling(); checkRightWall(); jump(); shoot(); updateHealthBar(); canshoot(); checkCollisions(); checkBottomBorderDeath(); checkPlayerHealth(); } public void canshoot(){ if (!canShoot) { shootCooldown--; if (shootCooldown <= 0 ) { canShoot = true ; } } if (isShooting) { animCount++; if (getX() > Greenfoot.getMouseInfo().getX()) { if (animCount % 6 == 0 ) { switch (frame) { case 1 : setImage(shl1); break ; case 2 : setImage(shl2); break ; case 3 : setImage(shl3); break ; case 4 : setImage(shl4); break ; } frame++; if (frame > 4 ) frame = 1 ; } } else { if (animCount % 6 == 0 ) { switch (frame) { case 1 : setImage(shr1); break ; case 2 : setImage(shr2); break ; case 3 : setImage(shr3); break ; case 4 : setImage(shr4); break ; } frame++; if (frame > 4 ) frame = 1 ; } } if (animCount > 48 ) { animCount = 0 ; isShooting = false ; } GreenfootImage img = getImage(); img.scale(scaleX, scaleY); } } public void checkBottomBorderDeath() { int worldHeight = getWorld().getHeight(); if (getY() >= worldHeight - 1 ) { Lvl1 world = (Lvl1) getWorld(); world.handleGameOver(); } } private void checkWorldChange() { if (getX() >= getWorld().getWidth() - 1 ) { Scene2lvl1 scene2 = new Scene2lvl1(); Greenfoot.setWorld(scene2); setLocation( 1 , getY()); } if (getX() <= 0 ) { Scene1lvl1 scene1 = new Scene1lvl1(); Greenfoot.setWorld(scene1); setLocation(scene1.getWidth() - 2 , getY()); } } public void reduceHealth( int damage) { if (!invincible) { health -= damage; if (health <= 0 ) { health = 0 ; handleDeath(); } else { invincible = true ; invincibilityTimer = 100 ; setTransparency( 128 ); // Flashing effect } } } private void handleDeath() { if (getWorld() != null ) { getWorld().removeObject( this ); } } private void toggleTransparency() { int currentTransparency = getImage().getTransparency(); int newTransparency = (currentTransparency == 128 ) ? 255 : 128 ; setTransparency(newTransparency); } private void stopFlashing() { setTransparency( 255 ); setImage(getImage()); } public void updateHealthBar() { int healthBarWidth = ( int )(( double )health / 200 * 200 ); healthBar = new GreenfootImage(healthBarWidth, 10 ); healthBar.setColor(Color.RED); healthBar.fill(); getWorld().getBackground().drawImage(healthBarBackground, 10 , 10 ); getWorld().getBackground().drawImage(healthBar, 10 , 10 ); } public void checkPlayerHealth() { try { System.out.println( "Current player health: " + health); if (health == 0 ) { System.out.println( "Player health is 0, handling player death..." ); handleDeath(); } } catch (Exception e) { e.printStackTrace(); // This will print the error message and stack trace } } public void setTransparency( int transparency) { GreenfootImage image = getImage(); image.setTransparency(transparency); setImage(image); } public void shoot() { if (Greenfoot.isKeyDown( "enter" ) && canShoot) { MouseInfo mouse = Greenfoot.getMouseInfo(); if (mouse != null ) { int mouseX = mouse.getX(); int mouseY = mouse.getY(); int angle = ( int ) Math.toDegrees(Math.atan2(mouseY - getY(), mouseX - getX())); canShoot = false ; shootCooldown = shootCooldownTime; isShooting = true ; getWorld().addObject( new projectiles(angle), getX(), getY()); } } } public void move() { if (Greenfoot.isKeyDown( "right" )) { move( 5 ); bulletspeed = 20 ; facingRight = true ; if (animCount % 6 == 0 ) { switch (frame) { case 1 : setImage(runright1); break ; case 2 : setImage(runright2); break ; case 3 : setImage(runright3); break ; case 4 : setImage(runright4); break ; } frame++; if (frame > 4 ) frame = 1 ; GreenfootImage img = getImage(); img.scale(scaleX, scaleY); } } else if (Greenfoot.isKeyDown( "left" )) { move(- 5 ); bulletspeed = - 20 ; facingRight = false ; if (animCount % 6 == 0 ) { switch (frame) { case 1 : setImage(runleft1); break ; case 2 : setImage(runleft2); break ; case 3 : setImage(runleft3); break ; case 4 : setImage(runleft4); break ; } frame++; if (frame > 4 ) frame = 1 ; GreenfootImage img = getImage(); img.scale(scaleX, scaleY); } } else { if (animCount % 9 == 0 ) { if (facingRight) { switch (frame) { case 1 : setImage(idle1); break ; case 2 : setImage(idle2); break ; case 3 : setImage(idle3); break ; case 4 : setImage(idle4); break ; case 5 : setImage(idle5); break ; case 6 : setImage(idle6); break ; case 7 : setImage(idle7); break ; case 8 : setImage(idle8); break ; case 9 : setImage(idle9); break ; case 10 : setImage(idle10); break ; case 11 : setImage(idle11); break ; case 12 : setImage(idle12); break ; case 13 : setImage(idle13); break ; case 14 : setImage(idle14); break ; case 15 : setImage(idle15); break ; case 16 : setImage(idle16); break ; case 17 : setImage(idle17); break ; case 18 : setImage(idle18); break ; case 19 : setImage(idle19); break ; case 20 : setImage(idle20); break ; } } else { switch (frame) { case 1 : setImage(idleLeftImage1); break ; case 2 : setImage(idleLeftImage2); break ; case 3 : setImage(idleLeftImage3); break ; case 4 : setImage(idleLeftImage4); break ; case 5 : setImage(idleLeftImage5); break ; case 6 : setImage(idleLeftImage6); break ; case 7 : setImage(idleLeftImage7); break ; case 8 : setImage(idleLeftImage8); break ; case 9 : setImage(idleLeftImage9); break ; case 10 : setImage(idleLeftImage10); break ; case 11 : setImage(idleLeftImage11); break ; case 12 : setImage(idleLeftImage12); break ; case 13 : setImage(idleLeftImage13); break ; case 14 : setImage(idleLeftImage14); break ; case 15 : setImage(idleLeftImage15); break ; case 16 : setImage(idleLeftImage16); break ; case 17 : setImage(idleLeftImage17); break ; case 18 : setImage(idleLeftImage18); break ; case 19 : setImage(idleLeftImage19); break ; case 20 : setImage(idleLeftImage20); break ; } } frame++; if (frame > 20 ) frame = 1 ; GreenfootImage img = getImage(); img.scale(scaleX, scaleY); } } } public void checkCollisions() { Actor enemy = getOneIntersectingObject(enemies. class ); if (enemy != null && !invincible) { reduceHealth( 10 ); } if (canSee(Coins. class )) { eat(Coins. class ); Greenfoot.playSound( "coin-recieved-230517.mp3" ); Lvl1 lvl1 = (Lvl1)getWorld(); lvl1.gibZaehler().add( 1 ); } } public void fall() { setLocation(getX(), getY() + vSpeed); if (vSpeed <= 12 ) vSpeed=vSpeed+velocity; } public boolean onFloor() { int spriteHeight = getImage().getHeight(); int lookForGround = spriteHeight/ 2 ; Actor floor = getOneObjectAtOffset( 0 , lookForGround, floor. class ); if (floor == null ) { return false ; } else { movetoground(floor); return true ; } } public boolean checkRightWall() { int spriteWidth = getImage().getWidth(); int lookForRightWall = spriteWidth/ 2 ; Actor rWall = getOneObjectAtOffset(lookForRightWall, 0 , floor. class ); if (rWall == null ) { return false ; } else { stopByRWall(rWall); return true ; } } public void stopByRWall(Actor rWall) { int wallWidth = rWall.getImage().getWidth(); int newX = rWall.getX() - (wallWidth + getImage().getWidth())/ 2 ; setLocation(newX, getY()); } public boolean checkLeftWall() { int spriteWidth = getImage().getWidth(); int lookForRightWall = spriteWidth/ 2 ; Actor lWall = getOneObjectAtOffset(lookForRightWall, 0 , floor. class ); if (lWall == null ) { return false ; } else { stopByLWall(lWall); return true ; } } public void stopByLWall(Actor lWall) { int wallWidth = lWall.getImage().getWidth(); int newX = lWall.getX() + (wallWidth + getImage().getWidth())/ 2 ; setLocation(newX, getY()); } public boolean checkCeiling() { int spriteHeight = getImage().getHeight(); int lookForCeiling = spriteHeight/ 2 ; Actor ceiling = getOneObjectAtOffset( 0 , -lookForCeiling, floor. class ); if (ceiling != null ) { bopHead(ceiling); return true ; } else { return false ; } } public void bopHead(Actor ceiling) { int ceilingHeight = ceiling.getImage().getHeight(); int newY = ceiling.getY() + (ceilingHeight + getImage().getHeight())/ 2 ; setLocation(getX(), newY); vSpeed = 2 ; } public void checkFall() { if (onFloor()) { vSpeed = 0 ; } else { fall(); } } public void jump() { if (Greenfoot.isKeyDown( "space" )== true && onFloor()) { vSpeed = jumpStrength; fall(); } } public void movetoground(Actor floor) { int floorHeight = floor.getImage().getHeight(); int newY = floor.getY() - (floorHeight + getImage().getHeight())/ 2 ; setLocation(getX(), newY); } } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo) /** * Write a description of class enemies here. * * @author (your name) * @version (a version number or a date) */ public class enemies extends Animal { /** * Act - do whatever the enemies wants to do. This method is called whenever * the 'Act' or 'Run' button gets pressed in the environment. * */ public int vSpeed = 0 ; public int velocity = 1 ; protected int health; public int damage; public int speed; public int spriteHeight = getImage().getHeight(); public int spriteWidth = getImage().getWidth(); public int lookForWalls = spriteWidth/ 2 ; public int lookForEdge = spriteWidth/ 4 ; public int lookForGround = spriteHeight/ 2 ; private GreenfootImage baseImage; private double imageFactor = 1 ; public enemies( int bSpeed, int bHealth) { speed = bSpeed; health = bHealth; } public void act() { checkFall(); checkBottomBorderDeath(); } public void takeDamage( int damage) { health -= damage; if (health <= 0 ) { die(); } } public void die() { dropCoin(); getWorld().removeObject( this ); } public void dropCoin() { if (getWorld() != null ) { Coins coin = new Coins(); getWorld().addObject(coin, getX(), getY()); } } public void checkBottomBorderDeath() { int worldHeight = getWorld().getHeight(); if (getY() >= worldHeight - 1 ) { getWorld().removeObject( this ); } } public void checkFall() { if (onFloor()) { vSpeed = 0 ; } else { fall(); } } public void fall() { setLocation(getX(), getY() + vSpeed); if (vSpeed <= 12 ) vSpeed=vSpeed+velocity; } public boolean onFloor() { int spriteHeight = getImage().getHeight(); int lookForGround = spriteHeight/ 2 ; Actor floor = getOneObjectAtOffset( 0 , lookForGround, floor. class ); if (floor == null ) { return false ; } else { movetoground(floor); return true ; } } public void movetoground(Actor floor) { int floorHeight = floor.getImage().getHeight(); int newY = floor.getY() - (floorHeight + getImage().getHeight())/ 2 ; setLocation(getX(), newY); } public void moveEnemy() { int currentX = getX(); int worldWidth = getWorld().getWidth(); if (currentX <= 0 || currentX >= worldWidth - 1 ) { speed = -speed; lookForWalls = -lookForWalls; lookForEdge = -lookForEdge; } Actor wall = getOneObjectAtOffset(lookForWalls, 0 , floor. class ); Actor cliff = getOneObjectAtOffset(lookForEdge, getImage().getHeight() / 2 + 10 , floor. class ); if (wall != null || cliff == null ) { speed = -speed; lookForWalls = -lookForWalls; lookForEdge = -lookForEdge; } else { move(speed); } } public void death() { Actor player = getOneIntersectingObject(player. class ); if (player != null ) { if ( this instanceof enemy1) { ((player) player).reduceHealth( 10 ); } else if ( this instanceof enemy2) { ((player) player).reduceHealth( 50 ); } else if ( this instanceof enemy3) { ((player) player).reduceHealth( 30 ); } else if ( this instanceof enemy4) { ((player) player).reduceHealth( 70 ); } if (health <= 0 ) { getWorld().removeObject( this ); } } } } |