pub struct ShadowMap { /* private fields */ }Expand description
Projects shadows from a single light source for specific objects.
A ShadowMap is essentially a depth map rendering of the scene from one
light’s point of view. We use this rendering of the scene to determine if
an object lies in shadow.
To create a new ShadowMap, use
Stage::new_shadow_map.
Implementations§
Source§impl ShadowMap
impl ShadowMap
pub fn create_update_bindgroup_layout(device: &Device) -> BindGroupLayout
pub fn create_update_pipeline( device: &Device, bindgroup_layout: &BindGroupLayout, ) -> RenderPipeline
Sourcepub fn descriptor_id(&self) -> Id<ShadowMapDescriptor>
pub fn descriptor_id(&self) -> Id<ShadowMapDescriptor>
Returns the Id of the inner ShadowMapDescriptor.
Sourcepub fn descriptor_lock(&self) -> HybridWriteGuard<'_, ShadowMapDescriptor>
pub fn descriptor_lock(&self) -> HybridWriteGuard<'_, ShadowMapDescriptor>
Returns a guard on the inner ShadowMapDescriptor.
Use this to update descriptor values before calling ShadowMap::update.
Sourcepub fn new<T>(
lighting: &Lighting,
analytical_light_bundle: &AnalyticalLight<T>,
size: UVec2,
z_near: f32,
z_far: f32,
) -> Result<Self, LightingError>
pub fn new<T>( lighting: &Lighting, analytical_light_bundle: &AnalyticalLight<T>, size: UVec2, z_near: f32, z_far: f32, ) -> Result<Self, LightingError>
Enable shadow mapping for the given AnalyticalLight, creating
a new ShadowMap.
Sourcepub fn update<'a>(
&self,
lighting: impl AsRef<Lighting>,
renderlets: impl IntoIterator<Item = &'a Primitive>,
) -> Result<(), LightingError>
pub fn update<'a>( &self, lighting: impl AsRef<Lighting>, renderlets: impl IntoIterator<Item = &'a Primitive>, ) -> Result<(), LightingError>
Update the ShadowMap, rendering the given Primitives to the map as
shadow casters.
The ShadowMap contains a weak reference to the AnalyticalLight used to create
it. Updates made to this AnalyticalLight will automatically propogate to this
ShadowMap.
§Errors
If the AnalyticalLight used to create this ShadowMap has been
dropped, calling this function will err.
Trait Implementations§
Auto Trait Implementations§
impl Freeze for ShadowMap
impl !RefUnwindSafe for ShadowMap
impl Send for ShadowMap
impl Sync for ShadowMap
impl Unpin for ShadowMap
impl !UnwindSafe for ShadowMap
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