Struct Segment3dInstance 

#[repr(C)]
pub struct Segment3dInstance {
    pub a: [f32; 3],
    pub b: [f32; 3],
    pub color: [f32; 3],
    pub width: f32,
    pub alpha: f32,
}

One segment in 3D, drawn through the shared camera (ADR-0257): two world endpoints, an RGB colour, a width in pixels at the camera’s reference depth and an alpha.

Drawn by the seg3d pipeline, which LineRenderer::new_3d builds and LineRenderer::draw_3d selects — a separate pipeline and instance buffer rather than a branch in the 2D one, so every 2D line scene keeps its bytes.

Field order is shader-location order, for the reason SegmentInstance::alpha records: a field inserted anywhere but the end re-points every attribute after it.

Fields

a: [f32; 3]

First endpoint, world space, in front of the near plane.

b: [f32; 3]

Second endpoint, world space, in front of the near plane.

color: [f32; 3]

RGB light (pre-glow; additive blend sums overlaps).

width: f32

Full stroke width in pixels of the render target at the camera’s reference depth; each end is scaled by perspective from there.

alpha: f32

How much of the stroke is present: its light and its coverage are both multiplied by this, so a fading edge fades out of the frame rather than into a dark line.

Trait Implementations

impl Clone for Segment3dInstance

fn clone(&self) -> Segment3dInstance

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Segment3dInstance

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

Formats the value using the given formatter.

impl PartialEq for Segment3dInstance

fn eq(&self, other: &Segment3dInstance) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Zeroable for Segment3dInstance

fn zeroed() -> Self

Calls zeroed.

impl Copy for Segment3dInstance

impl Pod for Segment3dInstance

impl StructuralPartialEq for Segment3dInstance