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onion_dude

Direction rotation

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I'm sure this is simple, but have been stuck for hours!!!!

I need to calculate rotation of a vector in 2d. e.g an object is travelling along the vector (0,1) and the user presses left to rotate 45 degrees to the left, what is the new vector?

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Google comes up with 1,420,000 hits for "vector rotation 2D," several of which answer your question. Google is your friend! [smile]

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