Camera

threecrate_visualization::camera

Struct Camera 

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pub struct Camera {
    pub position: Point3<f32>,
    pub target: Point3<f32>,
    pub up: Vector3<f32>,
    pub fov: f32,
    pub fovy_degrees: f32,
    pub aspect_ratio: f32,
    pub near: f32,
    pub far: f32,
    pub radius: f32,
    pub theta: f32,
    pub phi: f32,
    /* private fields */
}
Expand description

A 3D camera for viewing point clouds and meshes

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§position: Point3<f32>§target: Point3<f32>§up: Vector3<f32>§fov: f32§fovy_degrees: f32§aspect_ratio: f32§near: f32§far: f32§radius: f32§theta: f32§phi: f32

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impl Camera

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pub fn new( position: Point3<f32>, target: Point3<f32>, up: Vector3<f32>, fovy_degrees: f32, aspect_ratio: f32, near: f32, far: f32, ) -> Self

Create a new camera

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pub fn view_matrix(&self) -> Matrix4<f32>

Get the view matrix

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pub fn projection_matrix(&self) -> Matrix4<f32>

Get the projection matrix

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pub fn move_forward(&mut self, distance: f32)

Move the camera forward/backward

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pub fn orbit(&mut self, delta_theta: f32, delta_phi: f32)

Rotate the camera around the target (orbit control)

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pub fn pan(&mut self, delta_x: f32, delta_y: f32)

Pan the camera (translate both position and target)

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pub fn zoom_fov(&mut self, delta: f32)

Zoom by changing the field of view

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pub fn zoom(&mut self, delta: f32)

Zoom by moving closer/farther from target

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pub fn reset(&mut self)

Reset camera to default position

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pub fn reset_to_target(&mut self, target: Point3<f32>, radius: f32)

Reset camera to default position looking at target

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pub fn forward(&self) -> Vector3<f32>

Get the forward direction vector

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pub fn right(&self) -> Vector3<f32>

Get the right direction vector

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pub fn camera_up(&self) -> Vector3<f32>

Get the up direction vector (camera local up)

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pub fn set_aspect_ratio(&mut self, aspect_ratio: f32)

Set aspect ratio

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pub fn distance_to_target(&self) -> f32

Get camera distance from target

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pub fn set_fov_degrees(&mut self, fovy_degrees: f32)

Set field of view in degrees

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pub fn fov_degrees(&self) -> f32

Get field of view in degrees

Trait Implementations§

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impl Clone for Camera

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fn clone(&self) -> Camera

Returns a duplicate 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 Camera

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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 Default for Camera

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl Freeze for Camera

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impl RefUnwindSafe for Camera

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impl Send for Camera

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impl Sync for Camera

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impl Unpin for Camera

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impl UnwindSafe for Camera

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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where T: ?Sized,

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> Downcast<T> for T

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const ALIGN: usize

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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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