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Quaternion Structure

Defines a four-dimensional vector (x,y,z,w), which is used to efficiently rotate an object about the (x, y, z) vector by the angle theta, where w = cos(theta/2).

Namespace: Microsoft.Xna.Framework
Assembly: Microsoft.Xna.Framework (in microsoft.xna.framework.dll)

[TypeConverterAttribute("typeof(Microsoft.Xna.Framework.Design.QuaternionConverter)")]
[SerializableAttribute]
public struct Quaternion : IEquatable<Quaternion>

Quaternions represent a rotation. Typically, they are used for smooth interpolation between two angles, and for avoiding the gimbal lock problem that can occur with euler angles.

Xbox 360, Windows 7, Windows Vista, Windows XP, Windows Phone

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