0
在我的cocos2d-android遊戲應用程序中，有一個子彈，目標和一艘船，如果子彈和目標相交會消失，這個工作正常，但是當目標墜落在船（相交）船沒有被刪除，我試圖在谷歌搜索，但無法解決問題，請幫助我，如果有人知道這一點。 這裏是它如何刪除與其他精靈相交的精靈cocos2d-android
public class GameL extends CCLayer{
protected LinkedList<CCSprite> _ships;
protected LinkedList<CCSprite> _targets;
protected LinkedList<CCSprite> _projectiles;
//protected int _projectilesDestroyed;
protected int _shipDestroyed;
protected CCSprite _player;
protected CCSprite _nextProjectile;
protected CCSprite ship;
public static CCScene scene()
{
CCScene scene = CCScene.node();
CCLayer layer = new GameL();
scene.addChild(layer);
return scene;
}
protected GameL()
{
this.setIsTouchEnabled(true);
_ships = new LinkedList<CCSprite>();
_targets = new LinkedList<CCSprite>();
_projectiles = new LinkedList<CCSprite>();
//_projectilesDestroyed = 0;
_shipDestroyed = 0;
CCSprite background = CCSprite.sprite("bg.png");
background.setTag(1);
background.setAnchorPoint(0, 0);
addChild(background);
Context context = CCDirector.sharedDirector().getActivity();
CGSize winSize = CCDirector.sharedDirector().displaySize();
_player = CCSprite.sprite("gun2.png");
_player.setPosition(CGPoint.ccp(65,120));
// _player.setPosition(CGPoint.ccp(_player.getContentSize().width/2.0f, winSize.height/2.0f));
addChild(_player);
CCSprite ship = CCSprite.sprite("ship150.png");
ship.setPosition(CGPoint.ccp(25,100));
ship.setAnchorPoint(CGPoint.ccp(0,0));
ship.setTag(4);
addChild(ship);
this.schedule("gameLogic", 1.0f);
this.schedule("update");
}
@Override
public boolean ccTouchesEnded(MotionEvent event)
{
// Choose one of the touches to work with
CGPoint location = CCDirector.sharedDirector().convertToGL(CGPoint.ccp(event.getX(), event.getY()));
// Set up initial location of projectile
CGSize winSize = CCDirector.sharedDirector().displaySize();
CCSprite _nextProjectile = CCSprite.sprite("firebl.png");
//_nextProjectile.setPosition(20, winSize.height/2.0f);
_nextProjectile.setPosition(CGPoint.ccp(65, 120));
// Determine offset of location to projectile
int offX = (int)(location.x - _nextProjectile.getPosition().x);
int offY = (int)(location.y - _nextProjectile.getPosition().y);
// Bail out if we are shooting down or backwards
if (offX <= 0)
return true;
_nextProjectile.setTag(2);
// Determine where we wish to shoot the projectile to
int realX = (int)(winSize.width + (_nextProjectile.getContentSize().width/2.0f));
float ratio = (float)offY/(float)offX;
int realY = (int)((realX * ratio) + _nextProjectile.getPosition().y);
CGPoint realDest = CGPoint.ccp(realX, realY);
// Determine the length of how far we're shooting
int offRealX = (int)(realX - _nextProjectile.getPosition().x);
int offRealY = (int)(realY - _nextProjectile.getPosition().y);
float length = FloatMath.sqrt((offRealX * offRealX) + (offRealY * offRealY));
float velocity = 480.0f/1.0f; // 480 pixels/1 sec
float realMoveDuration = length/velocity;
// Move projectile to actual endpoint
_nextProjectile.runAction(CCSequence.actions(
CCMoveTo.action(realMoveDuration, realDest),
CCCallFuncN.action(this, "spriteMoveFinished")));
// Determine angle to face
double angleRadians = Math.atan((double)offRealY/(double)offRealX);
double angleDegrees = Math.toDegrees(angleRadians);
double cocosAngle = -1 * angleDegrees;
double rotationSpeed = 0.5/Math.PI;
double rotationDuration = Math.abs(angleRadians * rotationSpeed);
_player.runAction(CCSequence.actions(
CCRotateTo.action((float)rotationDuration, (float)cocosAngle),
CCCallFunc.action(this, "finishShoot")));
// Pew!
Context context = CCDirector.sharedDirector().getActivity();
SoundEngine.sharedEngine().playEffect(context, R.raw.pew_pew_lei);
return true;
}
public void finishShoot()
{
addChild(_nextProjectile);
_projectiles.add(_nextProjectile);
}
public void gameLogic(float dt)
{
addTarget();
}
public void update(float dt)
{
LinkedList<CCSprite> projectilesToDelete = new LinkedList<CCSprite>();
for (CCSprite projectile : _projectiles)
{
CGRect projectileRect = CGRect.make(projectile.getPosition().x - (projectile.getContentSize().width/2.0f),
projectile.getPosition().y - (projectile.getContentSize().height/2.0f),
projectile.getContentSize().width,
projectile.getContentSize().height);
LinkedList<CCSprite> targetsToDelete = new LinkedList<CCSprite>();
for (CCSprite target : _targets)
{
CGRect targetRect = CGRect.make(target.getPosition().x - (target.getContentSize().width),
target.getPosition().y - (target.getContentSize().height),
target.getContentSize().width,
target.getContentSize().height);
if (CGRect.intersects(projectileRect, targetRect))
targetsToDelete.add(target);
}
LinkedList<CCSprite> shipsToDelete = new LinkedList<CCSprite>();
for (CCSprite ship : _ships)
{
CGRect shipRect = CGRect.make(ship.getPosition().x - (ship.getContentSize().width),
ship.getPosition().y - (ship.getContentSize().height),
ship.getContentSize().width,ship.getContentSize().height);
for (CCSprite target : _targets)
{
CGRect targetRect = CGRect.make(target.getPosition().x - (target.getContentSize().width),
target.getPosition().y -
(target.getContentSize().height),
target.getContentSize().width,target.getContentSize().height);
if (CGRect.intersects(targetRect, shipRect))
{
shipsToDelete.add(ship);
break;
}
}
}
for (CCSprite target : targetsToDelete)
{
_targets.remove(target);
removeChild(target, true);
}
if (targetsToDelete.size() > 0)
projectilesToDelete.add(projectile);
for (CCSprite ship : shipsToDelete)
{
_ships.remove(ship);
removeChild(ship, true);
}
}
for (CCSprite projectile : projectilesToDelete)
{
_projectiles.remove(projectile);
removeChild(projectile, true);
if (_shipDestroyed > 0)
{
_shipDestroyed = 0;
CCDirector.sharedDirector().replaceScene(Gameoverlayer.scene("You Win!"));
}
}
}
protected void addTarget()
{
Random rand = new Random();
CCSprite target = CCSprite.sprite("fireball.png");
// Determine where to spawn the target along the Y axis
CGSize winSize = CCDirector.sharedDirector().displaySize();
int minX = (int)(target.getContentSize().width/2.0f);
int maxX = (int)(winSize.width - target.getContentSize().width/2.0f);
int rangeX = maxX - minX;
int actualX = rand.nextInt(rangeX) + minX;
// Create the target slightly off-screen along the right edge,
// and along a random position along the Y axis as calculated above
// target.setPosition(getContentSize().width + (target.getContentSize().width/2.0f), actualX);
target.setPosition(actualX, winSize.height + target.getContentSize().height);
addChild(target);
target.setTag(1);
_targets.add(target);
// Determine speed of the target
int minDuration = 2;
int maxDuration = 4;
int rangeDuration = maxDuration - minDuration;
int actualDuration = rand.nextInt(rangeDuration) + minDuration;
// Create the actions
//CCMoveTo actionMove = CCMoveTo.action(actualDuration, CGPoint.ccp(-target.getContentSize().width/2.0f, actualX));
CCMoveTo actionMove = CCMoveTo.action(actualDuration, CGPoint.ccp(actualX, - target.getContentSize().height));
CCCallFuncN actionMoveDone = CCCallFuncN.action(this, "spriteMoveFinished");
CCSequence actions = CCSequence.actions(actionMove, actionMoveDone);
target.runAction(actions);
}
public void spriteMoveFinished(Object sender)
{
CCSprite sprite = (CCSprite)sender;
if (sprite.getTag() == 1)
{
_targets.remove(sprite);
_shipDestroyed = 0;
//CCDirector.sharedDirector().replaceScene(Gameoverlayer.scene("You Lose :("));
}
else if (sprite.getTag() == 2)
_projectiles.remove(sprite);
this.removeChild(sprite, true);
}
}