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DrawCommand

game_gem::engine

Enum DrawCommand

pub enum DrawCommand {
    Clear {
        color: Color,
    },
    DrawCircle {
        x: f32,
        y: f32,
        radius: f32,
        color: Color,
    },
    DrawRect {
        x: f32,
        y: f32,
        w: f32,
        h: f32,
        color: Color,
    },
    DrawLine {
        x1: f32,
        y1: f32,
        x2: f32,
        y2: f32,
        thickness: f32,
        color: Color,
    },
    DrawText {
        text: String,
        x: f32,
        y: f32,
        size: f32,
        color: Color,
    },
    SetCamera {
        camera: Camera,
    },
    DrawTriangle {
        x1: f32,
        y1: f32,
        x2: f32,
        y2: f32,
        x3: f32,
        y3: f32,
        color: Color,
    },
    DrawPoly {
        points: Vec<Vec2>,
        color: Color,
    },
    DrawEllipse {
        x: f32,
        y: f32,
        rx: f32,
        ry: f32,
        color: Color,
    },
    DrawRing {
        x: f32,
        y: f32,
        inner_radius: f32,
        outer_radius: f32,
        color: Color,
    },
    DrawArc {
        x: f32,
        y: f32,
        radius: f32,
        start_angle: f32,
        end_angle: f32,
        color: Color,
    },
}

Expand description

Drawing operations that the game can issue each frame.

In the real rendering backend, these would be batched and sent to the GPU. For the API definition, we store the draw commands for deferred rendering.

Variants§

Clear

Fields

§color: Color

DrawCircle

Fields

§x: f32

§y: f32

§radius: f32

§color: Color

DrawRect

Fields

§x: f32

§y: f32

§w: f32

§h: f32

§color: Color

DrawLine

Fields

§x1: f32

§y1: f32

§x2: f32

§y2: f32

§thickness: f32

§color: Color

DrawText

Fields

§text: String

§x: f32

§y: f32

§size: f32

§color: Color

SetCamera

Fields

§camera: Camera

DrawTriangle

Fields

§x1: f32

§y1: f32

§x2: f32

§y2: f32

§x3: f32

§y3: f32

§color: Color

DrawPoly

Fields

§points: Vec<Vec2>

§color: Color

DrawEllipse

Fields

§x: f32

§y: f32

§rx: f32

§ry: f32

§color: Color

DrawRing

Fields

§x: f32

§y: f32

§inner_radius: f32

§outer_radius: f32

§color: Color

DrawArc

Fields

§x: f32

§y: f32

§radius: f32

§start_angle: f32

§end_angle: f32

§color: Color

Trait Implementations§

impl Clone for DrawCommand

fn clone(&self) -> DrawCommand

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more

impl Debug for DrawCommand

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for DrawCommand

impl RefUnwindSafe for DrawCommand

impl Send for DrawCommand

impl Sync for DrawCommand

impl Unpin for DrawCommand

impl UnsafeUnpin for DrawCommand

impl UnwindSafe for DrawCommand

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

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

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

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

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.