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D3DXQuaternionNormalize() and D3DXQuaternionLength()

Graphics and GPU Programming Programming

Started by Dark Schneider July 26, 2007 02:48 AM

0 comments, last by Dark Schneider 16 years, 8 months ago

Dark Schneider

102

Author

July 26, 2007 02:48 AM

My question is if D3DXQuaternionNormalize() checks if quaternion is normalized or always do the operations. So, should I do?: D3DXQuaternionNormalize(&quat,&quat); or?: if(D3DXQuaternionLength(&quat)!=1) D3DXQuaternionNormalize(&quat,&quat); How FAST is D3DXQuaternionLength()?.

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Dark Schneider

102

Author

July 26, 2007 02:59 AM

I have tried by myself, and is absolutely best using directly D3DXQuaternionNormalize() with no worry about if is normalized or not.

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