| Quaternion.Angle | Calculate the angle between two Quaternions. | 
| Quaternion.AngleAxis | Create a Quaternion that rotates Angle degrees around Axis. | 
| Quaternion.Compose | Compose Quaternion. | 
| Quaternion.Decompose | Decompose Quaternion. | 
| Quaternion.Dot | Calculates the dot product of two Quaternion. | 
| Quaternion.Equals | Returns true if two quaternions are approximately equal. | 
| Quaternion.Euler | Calculate the Quaternion value from Euler angle. | 
| Quaternion.EulerAngles | Calculate the Euler angle value from Quaternion. | 
| Quaternion.FromToRotation | Creates a rotation which rotates from FromDirection to ToDirection. | 
| Quaternion.GetIndexer | Output the components of Quaternion using an indexer. | 
| Quaternion.GetW | Output the W component of Quaternion. | 
| Quaternion.GetX | Output the X component of Quaternion. | 
| Quaternion.GetY | Output the Y component of Quaternion. | 
| Quaternion.GetZ | Output the Z component of Quaternion. | 
| Quaternion.Inverse | Calculates the reverse Quaternion. | 
| Quaternion.Lerp | Linearly interpolate Quaternion between From and To. | 
| Quaternion.LerpUnclamped | Linearly interpolate Quaternion between From and To. | 
| Quaternion.LookRotation | Create a Quaternion to Forward. | 
| Quaternion.Mul | Multiply by Quaternion. | 
| Quaternion.MulVector3 | Multiply Vector3 by Quaternion. | 
| Quaternion.Normalize | Returns the normalized quaternion. | 
| Quaternion.NotEquals | Returns true if two quaternions are not approximately equal. | 
| Quaternion.RotateTowards | Calculates the Quaternion to To from From. | 
| Quaternion.SetIndexer | Sets the components of Quaternion using an indexer. | 
| Quaternion.SetW | Sets the W component of Quaternion. | 
| Quaternion.SetX | Sets the X component of Quaternion. | 
| Quaternion.SetY | Sets the Y component of Quaternion. | 
| Quaternion.SetZ | Sets the Z component of Quaternion. | 
| Quaternion.Slerp | Spherical linear interpolation of Quaternion between From and To. | 
| Quaternion.SlerpUnclamped | Spherical linear interpolation of Quaternion between From and To. | 
| Quaternion.ToAngleAxis | Convert Quaternion to rotation axis and angle. | 
| Quaternion.ToString | Returns a formatted string of Quaternion. |