Struct trackball::Image [−][src]
Implementations
impl<N: RealField> Image<N>
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pub fn new(frame: &Frame<N>, scene: &Scene<N>, max: &Point2<N>) -> Self
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Computes initial transformations from frame, scene, and screen’s width and height.
pub fn compute(&mut self, frame: &Frame<N>, scene: &Scene<N>) -> Option<bool>
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Recomputes only cached matrices whose parameters have changed, see Self::set_compute()
.
Returns Some(true)
on success, Some(false)
on failure, and None
with no changes.
pub fn set_compute(&mut self, compute_mat: bool, compute_inv: bool)
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Sets whether to compute transformation and inverse transformation with Self::compute()
.
Default is (true, true)
.
pub fn pos(&self) -> &Point2<N>
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Current position in screen space of hovering input or pointing device.
pub fn set_pos(&mut self, pos: &Point2<N>)
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Sets current position in screen space of hovering input or pointing device.
pub fn max(&self) -> &Point2<N>
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Maximum position in screen space as screen’s width and height.
pub fn set_max(&mut self, max: &Point2<N>)
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Sets maximum position in screen space as screen’s width and height.
pub fn upp(&self) -> N
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Cached unit per pixel on focus plane to scale/project positions/vectors onto focus plane.
pub fn view_isometry(&self) -> &Isometry3<N>
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Cached view isometry.
pub fn view(&self) -> &Matrix4<N>
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Cached view matrix.
pub fn compute_view(&mut self, frame: &Frame<N>)
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Computes view isometry and matrix from frame wrt camera eye and target.
pub fn projection(&self) -> &Matrix4<N>
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Cached projection matrix.
pub fn compute_projection(&mut self, zat: N, scene: &Scene<N>)
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Computes projection matrix and unit per pixel on focus plane.
pub fn transformation(&self) -> &Matrix4<N>
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Cached projection view matrix.
pub fn compute_transformation(&mut self)
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Computes projection view matrix.
pub fn inverse_transformation(&self) -> &Matrix4<N>
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Cached inverse projection view matrix.
pub fn compute_inverse_transformation(&mut self) -> bool
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Computes inverse of projection view matrix.
Returns true
on success.
pub fn clamp_pos_wrt_max(pos: &Point2<N>, max: &Point2<N>) -> Point2<N>
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Clamps position in screen space wrt its maximum in screen space.
pub fn clamp_pos(&self, pos: &Point2<N>) -> Point2<N>
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Clamps position in screen space.
pub fn transform_pos_wrt_max(
pos: &Point2<N>,
max: &Point2<N>
) -> (Point2<N>, Point2<N>)
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pos: &Point2<N>,
max: &Point2<N>
) -> (Point2<N>, Point2<N>)
Transforms position from screen to camera space wrt its maximum in screen space.
pub fn transform_pos(&self, pos: &Point2<N>) -> Point2<N>
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Transforms position from screen to camera space.
pub fn transform_vec(pos: &Vector2<N>) -> Vector2<N>
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Transforms vector from screen to camera space.
pub fn project_pos(&self, pos: &Point2<N>) -> Point3<N>
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Transforms position from screen to camera space and projects it onto focus plane.
pub fn project_vec(&self, vec: &Vector2<N>) -> Vector3<N>
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Transforms vector from screen to camera space and projects it onto focus plane.
Trait Implementations
impl<N: Clone + RealField> Clone for Image<N>
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impl<N: Debug + RealField> Debug for Image<N>
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Auto Trait Implementations
impl<N> RefUnwindSafe for Image<N> where
N: RefUnwindSafe,
N: RefUnwindSafe,
impl<N> Send for Image<N>
impl<N> Sync for Image<N>
impl<N> Unpin for Image<N> where
N: Unpin,
N: Unpin,
impl<N> UnwindSafe for Image<N> where
N: UnwindSafe,
N: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Same<T> for T
type Output = T
Should always be Self
impl<SS, SP> SupersetOf<SS> for SP where
SS: SubsetOf<SP>,
SS: SubsetOf<SP>,
pub fn to_subset(&self) -> Option<SS>
pub fn is_in_subset(&self) -> bool
pub fn to_subset_unchecked(&self) -> SS
pub fn from_subset(element: &SS) -> SP
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,