Learn how to create a ninja-punching game with inverse kinematics with Sprite Kit and Swift!

In iOS 8, Sprite Kit comes with inverse kinematics, a technique that alleviates this issue by allowing you to procedurally generate joint motions such as reaching out to a point in space. This means you don’t have to resort to making a possibly infinite number of animations to reach every possible position.

In this tutorial, you’ll learn how to use Sprite Kit’s inverse kinematics feature to implement dynamic punches and kicks in a fun and simple ninja game.

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