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DrawContext

Struct DrawContext 

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pub struct DrawContext<'a> { /* private fields */ }
Expand description

drawing context for immediate mode rendering.

provides convenience methods for debug drawing without managing draw commands manually. obtained via RenderQueue::draw_immediate.

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impl DrawContext<'_>

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pub fn line(&mut self, start: Vec2, end: Vec2, color: Color, thickness: f32)

draw a line between two points.

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pub fn rect(&mut self, position: Vec2, size: Vec2, color: Color)

draw a filled rectangle.

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pub fn rect_stroke( &mut self, position: Vec2, size: Vec2, color: Color, thickness: f32, )

draw a stroked rectangle (outline only).

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pub fn circle( &mut self, center: Vec2, radius: f32, color: Color, thickness: f32, )

draw a stroked circle (outline only, approximated with line segments).

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pub fn circle_filled(&mut self, center: Vec2, radius: f32, color: Color)

draw a filled circle (scanline rects, one pixel tall per row).

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pub fn text( &mut self, content: &str, position: Vec2, font_size: f32, color: Color, )

draw text.

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pub fn point(&mut self, position: Vec2, color: Color)

draw a point as a small filled circle.

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pub fn aabb(&mut self, min: Vec2, max: Vec2, color: Color, thickness: f32)

draw an AABB collision box.

Auto Trait Implementations§

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impl<'a> !UnwindSafe for DrawContext<'a>

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impl<'a> Freeze for DrawContext<'a>

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impl<'a> RefUnwindSafe for DrawContext<'a>

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impl<'a> Send for DrawContext<'a>

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impl<'a> Sync for DrawContext<'a>

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impl<'a> Unpin for DrawContext<'a>

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impl<'a> UnsafeUnpin for DrawContext<'a>

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> ConditionalSend for T
where T: Send,

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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.
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Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> DowncastSend for T
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Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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Calls U::from(self).

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

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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Converts this type into the system output type.
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const ALIGN: usize

The alignment of pointer.
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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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type Error = Infallible

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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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