simd_axis(_:)

Declaration

func simd_axis(_ q: simd_quatf) -> simd_float3

Parameters

• q:

  The source quaternion.

Return Value

The normalized axis about which the action of the source quaternion rotates.

Discussion

This function returns a vector filled with nan if the source quaternion has a rotation of zero radians.

See Also

Applying geometric operations to quaternions

• simd_act(_:_:)
• act(_:)
• simd_angle(_:)
• simd_bezier(_:_:_:_:_:)
• simd_conjugate(_:)
• simd_imag(_:)
• simd_negate(_:)
• simd_real(_:)
• simd_slerp(_:_:_:)
• simd_slerp_longest(_:_:_:)
• simd_spline(_:_:_:_:_:)
• simd_dot(_:_:)
• dot(_:_:)
• simd_length(_:)
• simd_normalize(_:)