gistfile1.m

CCNode *background = ...; // your complex hierarchy of nodes

// Create the NodeRenderer
NodeRenderer *renderer = [NodeRenderer renderTextureWithNode:background width:winSize.width height:winSize.height];
        
// Add it to your scene
renderer.position = ccp(winSize.width/2, winSize.height/2);
[scene addChild:renderer];

// Fading out
[renderer.sprite runAction:[CCFadeOut actionWithDuration:3]];