I want to rotate my character by tilting the phone left and right, but it only rotate once when DidMoveToView is called. What do I need to change in my code?
self.manager = [[CMMotionManager alloc] init];
if ([self.manager isAccelerometerAvailable] == YES) {
[self.manager startAccelerometerUpdatesToQueue:[[NSOperationQueue alloc] init]
withHandler:^(CMAccelerometerData *data, NSError *error)
{
float destX = 0.0, destY = 0.0;
float currentX = _character.position.x;
float currentY = _character.position.y;
BOOL shouldMoveToRight = NO;
BOOL shouldMoveToLeft = NO;
if(data.acceleration.y < -0.25) { // tilting the device to the right
destX = currentX + (data.acceleration.x * kPlayerSpeed);
destY = currentY;
shouldMoveToRight = YES;
shouldMoveToLeft = NO;
} else if (data.acceleration.y > 0.25) { // tilting the device to the left
destX = currentX + (data.acceleration.x * kPlayerSpeed);
destY = currentY;
shouldMoveToRight = NO;
shouldMoveToLeft = YES;
}
if(shouldMoveToRight) {
SKAction *moveAction = [SKAction moveTo:CGPointMake(destX, destY) duration:1];
[_character runAction:moveAction];
SKAction *rotateAction = [SKAction rotateToAngle:M_PI duration:1];
[_character runAction:rotateAction];
}
if (shouldMoveToLeft) {
SKAction *moveAction = [SKAction moveTo:CGPointMake(destX, destY) duration:1];
[_character runAction:moveAction];
SKAction *rotateAction = [SKAction rotateToAngle:-M_PI duration:1];
[_character runAction:rotateAction];
}
}];
}
Related
I have two SKSpriteNode first Hero
+(id)hero
{
NSMutableArray *walkFrames = [NSMutableArray array];
SKTextureAtlas *heroAnimatedAtlas = [SKTextureAtlas atlasNamed:#"HeroImages"];
int numImages = (int)heroAnimatedAtlas.textureNames.count;
for (int i=1; i <= numImages; i++) {
NSString *textureName = [NSString stringWithFormat:#"hero%d", i];
SKTexture *temp = [heroAnimatedAtlas textureNamed:textureName];
[walkFrames addObject:temp];
}
Hero *hero = [Hero spriteNodeWithTexture:walkFrames[0]];
hero.heroWalkingFrames = walkFrames;
hero.name =#"Hero";
hero.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:hero.size];
hero.physicsBody.categoryBitMask = heroCategory;
hero.physicsBody.categoryBitMask = obstacleCategory | groundCategory | homeCategory | ~goodiesCategory;
return hero;
}
and second is Coin
SKSpriteNode *coin = [SKSpriteNode spriteNodeWithImageNamed:#"coin"];
coin.size = CGSizeMake(10,10);
coin.position = CGPointMake(100,100);
coin.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:coin.size];
coin.physicsBody.contactTestBitMask = coinCategory;
coin.physicsBody.dynamic=NO;
coin.name = #"coin";
[self.world addChild:coin];
And I am able to get collision detection by
if([contact.bodyA.node.name isEqual: #"coin"] || [contact.bodyB.node.name isEqual: #"coin"])
{
//[self LevelComplete];
SKNode* coinNode ;
if ([contact.bodyA.node.name isEqual: #"coin"]) {
coinNode=contact.bodyA.node;
}
else{
coinNode=contact.bodyB.node;
}
[coinNode removeFromParent];
NSLog(#"Coin touched");
}
Now my problem is every time hero jump and touch the coin it will go down to ground instead to continue jump and reach the height that it should, I know I am missing something here but don't know what it is, So anyone can please show me the right direction to correct this effect .
Create an extra "nilCategory" and set the collisionBitMask of your coin..
coin.physicsBody.collisionBitMask = nilCategory;
Okay, so in my SpriteKit game, I have an SKAction that waits and then calls a method. I have this action repeating forever. The methods spawns sprites. When I press a button (another sprite) the game pauses, and stops the action by removing it. When either resume or restart (also sprites) is pressed the action starts again and the sprites spawn.
However, when returning from the background (after the app is left) and the pause menu method automatically gets called, when I press the resume or restart button, the action does not run for some reason. Here's my code:
In GameScene.m:
-(void)createSceneContents {
self.isPaused = NO;
self.world = [SKNode node];
[self createUI];
[self createPauseMenu];
self.spawningSpeed = 1.5;
self.enemyData = [[Enemy alloc]init];
SKAction *wait = [SKAction waitForDuration:self.spawningSpeed];
SKAction *run = [SKAction performSelector:#selector(spawningEnemy) onTarget:self];
self.spawnAction = [SKAction repeatActionForever:[SKAction sequence:#[wait,run]]];
[self.world runAction:self.spawnAction withKey:#"spawn"];
[[NSNotificationCenter defaultCenter]addObserver:self selector:#selector(wentToForeground) name:UIApplicationWillEnterForegroundNotification object:nil];
[self addChild:self.world];
[self.world addChild:bottom];
[self.world addChild:self.player];
[self addChild:left];
[self addChild:right];
[self addChild:self.pause];
[self addChild:self.scoreLabelInGame];
[self addChild:self.actualScore];
}
-(void)createUI {
self.pause = [SKSpriteNode spriteNodeWithImageNamed:#"pausebutton.png"];
self.pause.size = CGSizeMake(self.customUnit,self.customUnit);
self.pause.name = #"pauseButton";
self.pause.position = CGPointMake(30, self.frame.size.height - 30);
self.scoreLabelInGame = [SKLabelNode labelNodeWithFontNamed:#"Futura"];
self.scoreLabelInGame.text = #"";
self.scoreLabelInGame.fontSize = 25;
self.scoreLabelInGame.position = CGPointMake(self.frame.size.width - 100, self.frame.size.height - 40);
self.actualScore = [SKLabelNode labelNodeWithFontNamed:#"Futura"];
self.actualScore.text = #"SCORE: 0";
self.actualScore.fontSize = 25;
self.actualScore.horizontalAlignmentMode = SKLabelHorizontalAlignmentModeRight;
self.actualScore.position = CGPointMake(self.frame.size.width - 20, self.frame.size.height - 40);
self.deathImage = [SKSpriteNode spriteNodeWithImageNamed:#"youdied.png"];
self.deathImage.position = CGPointMake(CGRectGetMidX(self.frame), CGRectGetMidY(self.frame)*1.5);
}
-(void)createPauseMenu {
self.pausedImage = [SKSpriteNode spriteNodeWithImageNamed:#"paused.png"];
self.pausedImage.position = CGPointMake(CGRectGetMidX(self.frame), CGRectGetMidY(self.frame)*1.5);
self.restart = [SKLabelNode labelNodeWithFontNamed:#"Futura"];
self.restart.text = #"RESTART";
self.restart.fontSize = 25;
self.restart.position = CGPointMake(CGRectGetMidX(self.frame), self.pausedImage.position.y - self.pausedImage.position.y/5);
self.resume = [SKLabelNode labelNodeWithFontNamed:#"Futura"];
self.resume.text = #"RESUME";
self.resume.fontSize = 25;
self.resume.position = CGPointMake(self.restart.position.x, self.restart.position.y - self.customUnit);
}
-(void)spawningEnemy {
NSLog(#"spawned");
SKSpriteNode *aNewEnemy = [self.enemyData createEnemyWithSize:self.customUnit andWidth:self.frame.size.width andHeight:self.frame.size.height + self.player.position.y];
aNewEnemy.physicsBody.allowsRotation = NO;
aNewEnemy.physicsBody.categoryBitMask = self.enemyCategory;
aNewEnemy.physicsBody.collisionBitMask = self.enemyCategory | self.playerCategory | self.edgeCategory | self.bottomCategory;
aNewEnemy.physicsBody.contactTestBitMask = self.enemyCategory | self.playerCategory | self.edgeCategory | self.bottomCategory;
[self.world addChild:aNewEnemy];
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
UITouch *touch = [touches anyObject];
CGPoint location = [touch locationInNode:self];
if([self.pause containsPoint:location] && self.isPaused == NO){
[self pauseGame];
}else if([self.resume containsPoint:location] && self.isPaused == YES) {
[self resumeGame];
}else if ([self.restart containsPoint:location] && self.isPaused == YES){
[self restartGame];
}else if (self.isTouchingGround == YES && self.isPaused == NO) {
[self.playerData jump:self.player];
NSLog(#"GOD YES");
self.isTouchingGround = NO;
}
}
-(void)pauseGame {
[self createPauseMenu];
NSLog(#"Pausing...");
[self removeActionForKey:#"spawn"];
self.world.paused = YES;
[self addChild:self.pausedImage];
[self addChild:self.restart];
[self addChild:self.resume];
NSString *path = [NSString stringWithFormat:#"%#/menu_music.mp3", [[NSBundle mainBundle]resourcePath]];
NSURL *pauseMusicURL = [NSURL fileURLWithPath:path];
self.pauseMusicPlayer = [[AVAudioPlayer alloc]initWithContentsOfURL:pauseMusicURL error:nil];
self.pauseMusicPlayer.numberOfLoops = -1;
[self.pauseMusicPlayer play];
[self.pause removeFromParent];
self.scoreLabelInGame.position = CGPointMake(self.restart.position.x, self.resume.position.y - self.customUnit);
self.actualScore.position = CGPointMake(self.restart.position.x, self.scoreLabelInGame.position.y - self.customUnit);
self.isPaused = YES;
[self.mainMusicPlayer pause];
}
-(void)restartGame {
[self removeAllChildren];
[self removeAllActions];
self.enemyData = nil;
self.isPaused = NO;
[self.pauseMusicPlayer stop];
[self createSceneContents];
[self runAction:self.spawnAction withKey:#"spawn"];
}
-(void)resumeGame {
self.isPaused = NO;
[self.pauseMusicPlayer stop];
[self runAction:self.spawnAction withKey:#"spawn"];
self.scoreLabelInGame.position = CGPointMake(self.frame.size.width - 100, self.frame.size.height - 40);
self.actualScore.position = CGPointMake(self.frame.size.width - 20, self.frame.size.height - 40);
[self.mainMusicPlayer play];
[self.restart removeFromParent];
[self.resume removeFromParent];
[self.pausedImage removeFromParent];
[self addChild:self.pause];
}
-(void)gameOver {
NSLog(#"Game Over");
GameDataHelper *gameData = [[GameDataHelper alloc]init];
[self removeActionForKey:#"spawn"];
[self addChild:self.restart];
[self addChild:self.deathImage];
SKAction *gameOverSound = [SKAction playSoundFileNamed:#"gameover_tune.mp3" waitForCompletion:NO];
[self runAction:gameOverSound];
NSString *path = [NSString stringWithFormat:#"%#/menu_music.mp3", [[NSBundle mainBundle]resourcePath]];
NSURL *pauseMusicURL = [NSURL fileURLWithPath:path];
self.pauseMusicPlayer = [[AVAudioPlayer alloc]initWithContentsOfURL:pauseMusicURL error:nil];
self.pauseMusicPlayer.numberOfLoops = -1;
[self.pauseMusicPlayer play];
[self.pause removeFromParent];
SKLabelNode *highScore = [SKLabelNode labelNodeWithFontNamed:#"Futura"];
NSString *highScoreText = [NSString stringWithFormat:#"HIGHSCORE: %ld",[GameDataHelper sharedGameData].highScore];
highScore.text = highScoreText;
highScore.fontSize = 25;
highScore.position = CGPointMake(self.frame.size.width/2, self.restart.position.y - (2*self.customUnit));
[self addChild:highScore];
self.scoreLabelInGame.position = CGPointMake(self.restart.position.x, self.resume.position.y - self.customUnit);
self.actualScore.position = CGPointMake(self.restart.position.x, self.scoreLabelInGame.position.y - self.customUnit);
self.isPaused = YES;
[self.mainMusicPlayer pause];
[gameData save];
}
-(void)wentToForeground {
[self pauseGame];
}
In Enemy.m:
-(SKSpriteNode *)createEnemyWithSize:(float)size andWidth:(float)width andHeight:(float)height {
self.enemy = [SKSpriteNode spriteNodeWithImageNamed:#"block.png"];
self.enemy.size = CGSizeMake(size - 5, size - 5);
self.enemy.name = #"fallingEnemy";
self.enemy.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:CGSizeMake(size - 3, size - 3)];
self.enemy.physicsBody.restitution = 0;
self.enemy.physicsBody.allowsRotation = NO;
int randomSection = arc4random_uniform(7);
switch (randomSection) {
case 0:
self.enemy.position = CGPointMake(2.5 + self.enemy.size.width/2, height-5);
break;
case 1:
self.enemy.position = CGPointMake(width/7 + self.enemy.size.width/2, height-5);
break;
case 2:
self.enemy.position = CGPointMake((width/7*2) + self.enemy.size.width/2, height-5);
break;
case 3:
self.enemy.position = CGPointMake((width/7*3) + self.enemy.size.width/2, height-5);
break;
case 4:
self.enemy.position = CGPointMake((width/7*4) + self.enemy.size.width/2, height-5);
break;
case 5:
self.enemy.position = CGPointMake((width/7*5) + self.enemy.size.width/2, height-5);
break;
case 6:
self.enemy.position = CGPointMake((width/7*6) + self.enemy.size.width/2, height-5);
break;
default:
break;
}
return self.enemy;
}
Even though you might have found the answer already i see some problems with your code:
Note: self.spawnAction needs to be a Strong property so maintain the reference when it's removed.
You are running the action on self.world, but removing it on self.
[self.world runAction:self.spawnAction withKey:#"spawn"];
[self removeActionForKey:#"spawn"];
self.world.paused = YES;
If you set the paused property of self.world to YES you do not need to remove the action as pause will immediately pause all actions.
You do not set the paused property to NO again on -(void)resumeGame
And you run it on self instead of self.world on resume.
Overall I would try to avoid using paused properties which might behave different and not give the results you want.
Also, keep in mind that removing nodes and actions don't happen instantly so if you pause nodes afterwards you might not get expected results.
Also, there is a limited amount of time you have on didEnterBackground to do your stuff before the it actually goes to background.
Hope it helps.
I hope you can help, have a block moving across and it jumps to avoid obstacles and collect coins.
It's collision with the obstacles is working correctly and the below gameOver is working correctly.
-(void)didBeginContact:(SKPhysicsContact *)contact
{
if ([contact.bodyA.node.name isEqualToString:#"coins"] || [contact.bodyB.node.name isEqualToString:#"coins"]) {
[self coinCollected]; //THIS IS NOT WORKING
NSLog(#"contacted"); //THIS IS NOT WORKING
}
else if ([contact.bodyA.node.name isEqualToString:#"ground"] || [contact.bodyB.node.name isEqualToString:#"ground"]) {
[hero land];
}
else {
NSLog (#"dead");
[self gameOver];
[self runAction:[SKAction playSoundFileNamed:#"gameover.wav" waitForCompletion:NO]];
}
}
My PMWorldGenenerator file looks as below:
#import "PMWorldGenerator.h"
#interface PMWorldGenerator ()
#property double currentGroundX;
#property double currentObstacleX;
#property double coinX;
#property SKNode *world;
#end
#implementation PMWorldGenerator
static const uint32_t obstacleCategory = 0x1 << 1;
static const uint32_t groundCategory = 0x1 << 2;
static const uint32_t coinCategory = 0x1 << 3;
+ (id)generatorWithWorld:(SKNode *)world {
PMWorldGenerator *generator = [PMWorldGenerator node];
generator.currentGroundX = 0;
generator.currentObstacleX = 400;
generator.coinX = 50;
generator.world = world;
return generator;
}
-(void)populate
{
for (int i = 0; i <3; i++)
[self generate];
}
-(void)generate
{
SKSpriteNode *ground = [SKSpriteNode spriteNodeWithColor:[UIColor greenColor] size:CGSizeMake(self.scene.frame.size.width, self.scene.frame.size.height/2.7)];
ground.name = #"ground";
ground.position = CGPointMake(self.currentGroundX, -self.scene.frame.size.height/2 + ground.frame.size.height/2);
ground.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:ground.size];
ground.physicsBody.categoryBitMask = groundCategory;
ground.physicsBody.dynamic = NO;
[self.world addChild:ground];
self.currentGroundX += ground.frame.size.width;
SKSpriteNode *obstacle = [SKSpriteNode spriteNodeWithColor:[UIColor redColor] size:CGSizeMake(10,10)];
obstacle.name = #"obstacle";
obstacle.position = CGPointMake(self.currentObstacleX/5, ground.position.y + ground.frame.size.height/2 + obstacle.frame.size.height/2 + 5);
obstacle.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:obstacle.size];
obstacle.physicsBody.dynamic = NO;
obstacle.physicsBody.categoryBitMask = obstacleCategory;
[self.world addChild:obstacle];
self.currentObstacleX += 550 ;
SKSpriteNode *coins = [SKSpriteNode spriteNodeWithColor:[UIColor yellowColor] size:CGSizeMake(4, 4)];
coins.name = #"coins";
coins.position = CGPointMake(self.coinX+80, ground.position.y + ground.frame.size.height/2 + obstacle.frame.size.height/2 + 25);
coins.physicsBody.categoryBitMask = coinCategory;
coins.physicsBody.dynamic = YES;
SKAction *revolution = [SKAction rotateByAngle:M_PI_4*10 duration:3];
SKAction *repeatRotate = [SKAction repeatActionForever:revolution];
[coins runAction:repeatRotate];
[self.world addChild:coins];
self.coinX += 550;
}
and lastly my PMHero file:
#import "PMHero.h"
#interface PMHero ()
#end
#implementation PMHero
static const uint32_t heroCategory = 0x1 << 0;
static const uint32_t obstacleCategory = 0x1 << 1;
static const uint32_t groundCategory = 0x1 << 2;
static const uint32_t coinCategory = 0x1 << 3;
+(id)hero
{
PMHero *hero = [PMHero spriteNodeWithColor:[UIColor redColor] size:CGSizeMake(12,12)];
hero.name = #"hero";
hero.physicsBody = [SKPhysicsBody bodyWithRectangleOfSize:hero.size];
hero.physicsBody.categoryBitMask = heroCategory;
hero.physicsBody.contactTestBitMask = obstacleCategory | groundCategory | coinCategory;
return hero;
}
I have done exactly what I had done for my obstacles and ground for the "coins", but it doesn't detect any collisions with them in my didBeginContact
You haven't added your physics body for coins
SKSpriteNode *coins = [SKSpriteNode spriteNodeWithColor:[UIColor yellowColor] size:CGSizeMake(4, 4)];
coins.name = #"coins";
coins.position = CGPointMake(self.coinX+80, ground.position.y + ground.frame.size.height/2 + obstacle.frame.size.height/2 + 25);
coins.physicsBody = [SKPhysicsBody bodyWith...//need code here
coins.physicsBody.categoryBitMask = coinCategory;
coins.physicsBody.dynamic = NO;
coins.physicsBody.collisionBitMask = 0;
SKAction *revolution = [SKAction rotateByAngle:M_PI_4*10 duration:3];
SKAction *repeatRotate = [SKAction repeatActionForever:revolution];
[coins runAction:repeatRotate];
[self.world addChild:coins];
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I'm using a tutorial to create a game where if the rocketship is hit by an asteroid, the ship will show an image using SKEmitterNode and will blink then play a sound. This part of the game is working, however the game will not end. How do I fix this error?
Here's my code where I believe the error is
- (void)didBeginContact:(SKPhysicsContact *)contact
{
uint32_t collision = (contact.bodyA.categoryBitMask | contact.bodyB.categoryBitMask);
if (collision == (asteroidCategory | shipCategory)) {
SKNode *asteroid, *spaceship;
if (contact.bodyA.categoryBitMask == shipCategory) {
spaceship = contact.bodyA.node;
asteroid = contact.bodyB.node;
[self runAction:[SKAction playSoundFileNamed:#"explosion_large.caf" waitForCompletion:NO]];
SKAction *blink = [SKAction sequence:#[[SKAction fadeOutWithDuration:0.1],
[SKAction fadeInWithDuration:0.1]]];
SKAction *blinkForTime = [SKAction repeatAction:blink count:6];
[self.spaceship runAction:blinkForTime];
NSString *explosionPath = [[NSBundle mainBundle] pathForResource:#"RocketFlame" ofType:#"sks"];
SKEmitterNode *explosion = [NSKeyedUnarchiver unarchiveObjectWithFile:explosionPath];
CGVector emitterVector = CGVectorMake(spaceship.frame.size.width * 2.0, 0);
explosion.particlePositionRange = emitterVector;
[self.spaceship addChild:explosion];
}
else {
spaceship = contact.bodyB.node;
asteroid = contact.bodyA.node;
[self runAction:[SKAction playSoundFileNamed:#"explosion_large.caf" waitForCompletion:NO]];
SKAction *blink = [SKAction sequence:#[[SKAction fadeOutWithDuration:0.1],
[SKAction fadeInWithDuration:0.1]]];
// SKAction *blinkForTime = [SKAction repeatAction:blink count:6];
[self.spaceship runAction:blink];
NSString *explosionPath = [[NSBundle mainBundle] pathForResource:#"RocketFlame" ofType:#"sks"];
SKEmitterNode *explosion = [NSKeyedUnarchiver unarchiveObjectWithFile:explosionPath];
CGVector emitterVector = CGVectorMake(spaceship.frame.size.width * 2.0, 0);
explosion.particlePositionRange = emitterVector;
[self.spaceship addChild:explosion];
}
[self asteroid:(SKSpriteNode *) asteroid didCollideWithasteroid:(SKSpriteNode *) spaceship];
}
else if (collision == (projectileCategory| asteroidCategory)) {
SKNode *Projectile, *asteroid;
if (contact.bodyA.categoryBitMask == asteroidCategory) {
Projectile= contact.bodyA.node;
asteroid = contact.bodyB.node;
}
else {
Projectile = contact.bodyB.node;
asteroid = contact.bodyA.node;
}
[self projectile:(SKSpriteNode *) Projectile didCollideWithasteroid:(SKSpriteNode *) asteroid];
self.asteroidsDestroyed++;
if (self.asteroidsDestroyed > 30) {
SKTransition *reveal = [SKTransition flipHorizontalWithDuration:0.5];
SKScene * gameOverScene = [[GameOverScene alloc] initWithSize:self.size won:NO];
[self.view presentScene:gameOverScene transition: reveal];
}
}
}
The game is not ending because you are not calling the end-game transition in case of the collsion between the spaceship and asteroid as you do in the case where the collision is between the projectile and the asteroid.
- (void)didBeginContact:(SKPhysicsContact *)contact
{
uint32_t collision = (contact.bodyA.categoryBitMask | contact.bodyB.categoryBitMask);
if (collision == (asteroidCategory | shipCategory)) {
SKNode *asteroid, *spaceship;
if (contact.bodyA.categoryBitMask == shipCategory) {
spaceship = contact.bodyA.node;
asteroid = contact.bodyB.node;
}
else {
spaceship = contact.bodyB.node;
asteroid = contact.bodyA.node;
}
[self runAction:[SKAction playSoundFileNamed:#"explosion_large.caf" waitForCompletion:NO]];
SKAction *blink = [SKAction sequence:#[[SKAction fadeOutWithDuration:0.1],
[SKAction fadeInWithDuration:0.1]]];
SKAction *blinkForTime = [SKAction repeatAction:blink count:6];
[self.spaceship runAction:blinkForTime];
NSString *explosionPath = [[NSBundle mainBundle] pathForResource:#"RocketFlame" ofType:#"sks"];
SKEmitterNode *explosion = [NSKeyedUnarchiver unarchiveObjectWithFile:explosionPath];
CGVector emitterVector = CGVectorMake(spaceship.frame.size.width * 2.0, 0);
explosion.particlePositionRange = emitterVector;
[self.spaceship addChild:explosion];
[self asteroid:(SKSpriteNode *) asteroid didCollideWithasteroid:(SKSpriteNode *) spaceship]; //What does this do?
[self runAction:[SKAction sequence:#[[SKAction waitForDuration:3.0], [SKAction runBlock:^{
[self gameEndedWithSuccess:NO];
}]]]];
}
else if (collision == (projectileCategory| asteroidCategory)) {
SKNode *Projectile, *asteroid;
if (contact.bodyA.categoryBitMask == asteroidCategory) {
Projectile= contact.bodyA.node;
asteroid = contact.bodyB.node;
}
else {
Projectile = contact.bodyB.node;
asteroid = contact.bodyA.node;
}
[self projectile:(SKSpriteNode *) Projectile didCollideWithasteroid:(SKSpriteNode *) asteroid];
self.asteroidsDestroyed++;
if (self.asteroidsDestroyed > 30) {
[self gameEndedWithSuccess:YES];
}
}
}
-(void) gameEndedWithSuccess:(BOOL)success
{
SKTransition *reveal = [SKTransition flipHorizontalWithDuration:0.5];
SKScene * gameOverScene = [[GameOverScene alloc] initWithSize:self.size won:success];
[self.view presentScene:gameOverScene transition: reveal];
}
so I am trying to make a game with a timer and a score counter in the bottom right of the screen. but it is not appearing and I am not sure as to why
in - (void)didMoveToView:(SKView *)view
I have the code
SKAction *wait = [SKAction waitForDuration:1.0f];
SKAction *sequence = [SKAction sequence:#[[SKAction performSelector:#selector(timer) onTarget:self], wait]];
SKAction *repeat = [SKAction repeatActionForever:sequence];
[self runAction:repeat];
and timer looks like
-(void)timer
{
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
float multi = [defaults floatForKey:#"multi"];
if(!_time)
{
_time=0;
}
else if(_time == 30)
{
multi = 1.5;
}
else if(_time == 60)
{
multi = 2;
}
else if(_time == 90)
{
multi = 2.5;
}
else if(_time == 120)
{
multi = 3.0;
}
else if(_time == 150)
{
multi = 3.5;
}
else if(_time == 180)
{
multi = 4.0;
}
else if(_time == 210)
{
multi = 4.5;
}
[defaults setFloat:multi forKey:#"multi"];
_time++;
_score = multi * (float)_time;
SKLabelNode *myLabel = [SKLabelNode labelNodeWithFontNamed:#"Chalkduster"];
myLabel.fontSize = 30;
myLabel.position = CGPointMake(150,850);
myLabel.text = [NSString stringWithFormat:#"Time %d Score %f",_time,_score];
}
_timer and _score are properties I have created for this scene
any help would be awesome thank you
You forgot to add the label to the node graph. For example:
[self addChild:myLabel];