@implementation Ch1_UsingCCParallaxNode

-(CCLayer*) runRecipe {
  //Create four parallax sprites, one for each layer
  CCSprite* parallaxLayer01 = [CCSprite spriteWithFile:@"parallax_layer_01.png"];  
  CCSprite* parallaxLayer02 = [CCSprite spriteWithFile:@"parallax_layer_02.png"];
  CCSprite* parallaxLayer03 = [CCSprite spriteWithFile:@"parallax_layer_03.png"];
  CCSprite* parallaxLayer04 = [CCSprite spriteWithFile:@"parallax_layer_04.png"];
  
  //Create a parallax node and add all four sprites
  CCParallaxNode* parallaxNode = [CCParallaxNode node];
  [parallaxNode setPosition:ccp(0,0)];
  [parallaxNode addChild:parallaxLayer01 z:1 parallaxRatio:ccp(0, 0) positionOffset:ccp(240,200)];
  [parallaxNode addChild:parallaxLayer02 z:2 parallaxRatio:ccp(1, 0) positionOffset:ccp(240,100)];
  [parallaxNode addChild:parallaxLayer03 z:3 parallaxRatio:ccp(2, 0) positionOffset:ccp(240,100)];
  [parallaxNode addChild:parallaxLayer04 z:4 parallaxRatio:ccp(3, 0) positionOffset:ccp(240,20)];
  [self addChild:parallaxNode z:0 tag:1];
  
  //Move the node to the left then the right
  //This creates the effect that we are moving to the right then the left
  CCMoveBy* moveRight = [CCMoveBy actionWithDuration:5.0f position:ccp(-80, 0)];
  CCMoveBy* moveLeft = [CCMoveBy actionWithDuration:2.5f position:ccp(80, 0)];
  CCSequence* sequence = [CCSequence actions:moveRight, moveLeft, nil];
  CCRepeatForever* repeat = [CCRepeatForever actionWithAction:sequence];
  [parallaxNode runAction:repeat];
  
  return self;
}

@end

parallaxNodeChildXOffset =  baseXOffset +  ((int) (self.position.x / winSize.width)) * winSize.width;