What’s New in SpriteKit – WWDC15

WWDC15SpriteKit provides everything you’ll need to build 2D games with high-performance graphics and engaging gameplay. Check out new APIs for managing a virtual camera and delivering spatial audio. See the all-new timeline-based Actions editor built right into Xcode, and learn about deep integration with Metal, SceneKit, GameplayKit, and more.

Sample Code:
DemoBots: Building a Cross Platform Game with SpriteKit and GameplayKit

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WWDC 2015 > Graphics and Games > What’s New in SpriteKit