How do I rotate a vector2d

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Say I have a vector2d, like Vector2d.up, and I want to rotate it 30 degrees counter clockwise. Do I have to do it with Quaternions? Is there a simpler way?

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Answer by robertbu · Jan 19, 2014 at 11:20 PM

I'd do it with Quaternions:

 var newDir : Vector2D = Quaternion.AngleAxis(30.0, Vector3.forward) * Vector2D.up;

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How do I rotate a vector2d

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