Learning iPhone Game Development with Cocos2D 3.0

Time for action – adding a fire to the scene

We are going to add a campfire to our scene. We will add an image of the campfire base and the fire burning on top of it. To do this, follow these steps:

1. Create a new group in Resources and call it Campfire.
2. Open the book's supporting files at Chapter_07/Assets/Campfire and add the campfire.png and campfire-hd.png images to the Xcode project in the Campfire group.
3. Open the GameScene.m file and add the following method below the onEnter method:

   -(void)startFire { CGSize viewSize = [CCDirector sharedDirector].viewSize; //1 CCSprite *campfire = [CCSprite spriteWithImageNamed:@"campfire.png"]; campfire.position = ccp(viewSize.width * 0.5, viewSize.height * 0.05f); [self addChild:campfire]; //2 CGPoint campfireTop ...