Struct let_engine::Layer

pub struct Layer {
    pub root: NObject,
    pub camera: Arc<Mutex<Option<Box<dyn Camera>>>>,
    /* private fields */
}

Fields

root: NObject

camera: Arc<Mutex<Option<Box<dyn Camera>>>>

Implementations

impl Layer

pub fn new(root: NObject) -> Self

pub fn set_camera<T: Camera + 'static>(&self, camera: T)

pub fn side_to_world(&self, direction: [f32; 2], dimensions: (f32, f32)) -> Vec2

Be careful! Don’t use this when the camera is locked.

pub fn contains_object(&self, object_id: &usize) -> bool

pub fn gravity(&self) -> Vec2

pub fn set_gravity(&self, gravity: Vec2)

pub fn physics_enabled(&self) -> bool

pub fn set_physics_enabled(&self, enabled: bool)

pub fn physics_parameters(&self) -> IntegrationParameters

pub fn set_physics_parameters(&self, parameters: IntegrationParameters)

pub fn add_joint( &self, object1: &impl GameObject, object2: &impl GameObject, data: impl Into<GenericJoint>, wake_up: bool ) -> Result<ImpulseJointHandle, NoRigidBodyError>

pub fn get_joint(&self, handle: ImpulseJointHandle) -> Option<GenericJoint>

pub fn set_joint( &self, data: impl Into<GenericJoint>, handle: ImpulseJointHandle ) -> Result<(), NoJointError>

pub fn remove_joint(&self, handle: ImpulseJointHandle, wake_up: bool)

pub fn add_object_with_optional_parent<T: GameObject + Clone + 'static>( &self, parent: Option<&T>, object: &mut T ) -> Result<(), NoParentError>

pub fn add_object<T: GameObject + Clone + 'static>(&self, object: &mut T)

pub fn add_object_with_parent<T: GameObject + Clone + 'static>( &self, parent: &T, object: &mut T ) -> Result<(), NoParentError>

pub fn remove_object( &self, object: &mut impl GameObject ) -> Result<(), NoObjectError>

Removes an object using it’s ID.

pub fn query_nearest_collider_at(&self, position: Vec2) -> Option<usize>

Returns the nearest collider id from a specific location.

pub fn cast_ray( &self, position: Vec2, direction: Vec2, time_of_impact: Real, solid: bool ) -> Option<usize>

Returns id of the first collider intersecting with given ray.

pub fn intersection_with_shape( &self, shape: Shape, position: (Vec2, f32) ) -> Option<usize>

Cast a shape and return the first collider intersecting with it.

pub fn move_to( &self, object: &impl GameObject, index: usize ) -> Result<(), Box<dyn Error>>

pub fn move_down(&self, object: &impl GameObject) -> Result<(), Box<dyn Error>>

pub fn move_up(&self, object: &impl GameObject) -> Result<(), Box<dyn Error>>

pub fn move_to_bottom( &self, object: &impl GameObject ) -> Result<(), NoObjectError>

pub fn move_to_top(&self, object: &impl GameObject) -> Result<(), NoObjectError>

pub fn children_count( &self, parent: &impl GameObject ) -> Result<usize, NoObjectError>

Trait Implementations

impl Clone for Layer

fn clone(&self) -> Layer

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Hash for Layer

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Layer

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

This method tests for self and other values to be equal, and is used by ==.

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.

impl Eq for Layer