Struct graphene::Quaternion

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pub struct Quaternion { /* private fields */ }
Expand description

A quaternion.

The contents of the Quaternion structure are private and should never be accessed directly.

Implementations§

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impl Quaternion

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pub fn as_ptr(&self) -> *mut graphene_quaternion_t

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pub unsafe fn from_glib_ptr_borrow<'a>( ptr: *const graphene_quaternion_t ) -> &'a Self

Borrows the underlying C value.

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pub unsafe fn from_glib_ptr_borrow_mut<'a>( ptr: *mut graphene_quaternion_t ) -> &'a mut Self

Borrows the underlying C value mutably.

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impl Quaternion

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pub fn add(&self, b: &Quaternion) -> Quaternion

Adds two Quaternion self and b.

b

a Quaternion

Returns
res

the result of the operation

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pub fn dot(&self, b: &Quaternion) -> f32

Computes the dot product of two Quaternion.

b

a Quaternion

Returns

the value of the dot products

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pub fn invert(&self) -> Quaternion

Inverts a Quaternion, and returns the conjugate quaternion of self.

Returns
res

return location for the inverted quaternion

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pub fn multiply(&self, b: &Quaternion) -> Quaternion

Multiplies two Quaternion self and b.

b

a Quaternion

Returns
res

the result of the operation

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pub fn normalize(&self) -> Quaternion

Normalizes a Quaternion.

Returns
res

return location for the normalized quaternion

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pub fn scale(&self, factor: f32) -> Quaternion

Scales all the elements of a Quaternion self using the given scalar factor.

factor

a scaling factor

Returns
res

the result of the operation

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pub fn slerp(&self, b: &Quaternion, factor: f32) -> Quaternion

Interpolates between the two given quaternions using a spherical linear interpolation, or SLERP, using the given interpolation factor.

b

a Quaternion

factor

the linear interpolation factor

Returns
res

return location for the interpolated quaternion

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pub fn to_angle_vec3(&self) -> (f32, Vec3)

Converts a quaternion into an angle, axis pair.

Returns
angle

return location for the angle, in degrees

axis

return location for the rotation axis

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pub fn to_angles(&self) -> (f32, f32, f32)

Converts a Quaternion to its corresponding rotations on the Euler angles on each axis.

Returns
deg_x

return location for the rotation angle on the X axis (yaw), in degrees

deg_y

return location for the rotation angle on the Y axis (pitch), in degrees

deg_z

return location for the rotation angle on the Z axis (roll), in degrees

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pub fn to_matrix(&self) -> Matrix

Converts a quaternion into a transformation matrix expressing the rotation defined by the Quaternion.

Returns
m

a Matrix

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pub fn to_radians(&self) -> (f32, f32, f32)

Converts a Quaternion to its corresponding rotations on the Euler angles on each axis.

Returns
rad_x

return location for the rotation angle on the X axis (yaw), in radians

rad_y

return location for the rotation angle on the Y axis (pitch), in radians

rad_z

return location for the rotation angle on the Z axis (roll), in radians

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pub fn to_vec4(&self) -> Vec4

Copies the components of a Quaternion into a Vec4.

Returns
res

return location for a Vec4

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impl Quaternion

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pub fn new(x: f32, y: f32, z: f32, w: f32) -> Self

Initializes a Quaternion using the given four values.

x

the first component of the quaternion

y

the second component of the quaternion

z

the third component of the quaternion

w

the fourth component of the quaternion

Returns

the initialized quaternion

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pub fn from_angle_vec3(angle: f32, axis: &Vec3) -> Self

Initializes a Quaternion using an angle on a specific axis.

angle

the rotation on a given axis, in degrees

axis

the axis of rotation, expressed as a vector

Returns

the initialized quaternion

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pub fn from_angles(deg_x: f32, deg_y: f32, deg_z: f32) -> Self

Initializes a Quaternion using the values of the Euler angles on each axis.

See also: from_euler()

deg_x

rotation angle on the X axis (yaw), in degrees

deg_y

rotation angle on the Y axis (pitch), in degrees

deg_z

rotation angle on the Z axis (roll), in degrees

Returns

the initialized quaternion

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pub fn from_euler(e: &Euler) -> Self

Initializes a Quaternion using the given Euler.

e

a Euler

Returns

the initialized Quaternion

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pub fn from_matrix(m: &Matrix) -> Self

Initializes a Quaternion using the rotation components of a transformation matrix.

m

a Matrix

Returns

the initialized quaternion

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pub fn from_radians(rad_x: f32, rad_y: f32, rad_z: f32) -> Self

Initializes a Quaternion using the values of the Euler angles on each axis.

See also: from_euler()

rad_x

rotation angle on the X axis (yaw), in radians

rad_y

rotation angle on the Y axis (pitch), in radians

rad_z

rotation angle on the Z axis (roll), in radians

Returns

the initialized quaternion

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pub fn from_vec4(src: &Vec4) -> Self

Initializes a Quaternion with the values from src.

src

a Vec4

Returns

the initialized quaternion

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pub fn new_identity() -> Self

Initializes a Quaternion using the identity transformation.

Returns

the initialized quaternion

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pub fn x(&self) -> f32

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pub fn y(&self) -> f32

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pub fn z(&self) -> f32

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pub fn w(&self) -> f32

Trait Implementations§

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impl Clone for Quaternion

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Quaternion

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl HasParamSpec for Quaternion

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type ParamSpec = ParamSpecBoxed

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type SetValue = Quaternion

Preferred value to be used as setter for the associated ParamSpec.
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type BuilderFn = fn(_: &str) -> ParamSpecBoxedBuilder<'_, Quaternion>

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fn param_spec_builder() -> Self::BuilderFn

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impl PartialEq for Quaternion

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fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StaticType for Quaternion

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Copy for Quaternion

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impl Eq for Quaternion

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoClosureReturnValue for T
where T: Into<Value>,

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impl<T> Property for T
where T: HasParamSpec,

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type Value = T

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impl<T> PropertyGet for T
where T: HasParamSpec,

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type Value = T

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fn get<R, F>(&self, f: F) -> R
where F: Fn(&<T as PropertyGet>::Value) -> R,

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impl<T> StaticTypeExt for T
where T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToSendValue for T
where T: Send + ToValue + ?Sized,

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fn to_send_value(&self) -> SendValue

Returns a SendValue clone of self.
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T> TryFromClosureReturnValue for T
where T: for<'a> FromValue<'a> + StaticType + 'static,

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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<'a, T, C, E> FromValueOptional<'a> for T
where T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,