shz_quat_t

typedef struct shz_quat {
    union {           //!< Convenience anonymous union between named and array-indexed components.
        struct {      //!< Anonymous structure with named components.
            float w;             //!< W or scalar component/real part of quaternion.
            union {   //!< Convenience anonymous union for vector components.
                struct {
                    float x;     //!< X component of axis of rotation (imaginary)
                    float y;     //!< Y component of axis of rotation (imaginary)
                    float z;     //!< Z component of axis of rotation (imaginary)
                };
                shz_vec3_t axis; //!< 3D vector representing axis of rotation
            };
        };
        float e[4];              //!< Array-indexed components.
    };
} shz_quat_t;

Represents a 3D quaternion.

Fields

Field	Type	Description
e	float[4]	Array-indexed components.
w	float	< Anonymous structure with named components.
axis	shz_vec3_t	3D vector representing axis of rotation
x	float	X component of axis of rotation (imaginary).
y	float	Y component of axis of rotation (imaginary).
z	float	Z component of axis of rotation (imaginary).

Details

Quaternions are a mathematical structure representing a rotation about a single arbitrary axis.

Availability

• C++ equivalent: shz::quat
• Back-ends: n/a (not a function)
• Defined in: sh4zam/shz_quat.h:31
• Module: Quaternion, section "Types"