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BspBackend

rscad_csg_bsp

Struct BspBackend 

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pub struct BspBackend;
Expand description

BSP-based CSG backend.

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impl CsgBackend for BspBackend

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type CsgType = Csg<f64>

3D solid type produced by this backend.
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type SketchType = Csg<f64>

2D sketch / cross-section type produced by this backend.
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fn empty_csg() -> Csg<f64>

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fn empty_sketch() -> Csg<f64>

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fn union(a: Csg<f64>, b: Csg<f64>) -> Csg<f64>

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fn difference(a: Csg<f64>, b: Csg<f64>) -> Csg<f64>

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fn intersection(a: Csg<f64>, b: Csg<f64>) -> Csg<f64>

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fn xor(a: Csg<f64>, b: Csg<f64>) -> Csg<f64>

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fn union_2d(a: Csg<f64>, b: Csg<f64>) -> Csg<f64>

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fn difference_2d(a: Csg<f64>, b: Csg<f64>) -> Csg<f64>

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fn intersection_2d(a: Csg<f64>, b: Csg<f64>) -> Csg<f64>

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fn xor_2d(a: Csg<f64>, b: Csg<f64>) -> Csg<f64>

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fn translate(csg: Csg<f64>, offset: DVec3) -> Csg<f64>

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fn rotate(csg: Csg<f64>, angles: DVec3) -> Csg<f64>

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fn scale(csg: Csg<f64>, factors: DVec3) -> Csg<f64>

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fn mirror(csg: Csg<f64>, axes: DVec3) -> Csg<f64>

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fn translate_2d(sketch: Csg<f64>, offset: DVec3) -> Csg<f64>

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fn rotate_2d(sketch: Csg<f64>, angles: DVec3) -> Csg<f64>

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fn scale_2d(sketch: Csg<f64>, factors: DVec3) -> Csg<f64>

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fn mirror_2d(sketch: Csg<f64>, axes: DVec3) -> Csg<f64>

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fn color(csg: Csg<f64>, color: [f32; 4]) -> Csg<f64>

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fn color_2d(sketch: Csg<f64>, color: [f32; 4]) -> Csg<f64>

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fn extrude( sketch: Csg<f64>, height: f64, twist: f64, scale: f64, slices: usize, ) -> Csg<f64>

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fn revolve(sketch: Csg<f64>, angle_degrees: f64, segments: usize) -> Csg<f64>

Revolve a sketch about its local Y axis (OpenSCAD rotate_extrude). Read more
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impl CsgToMesh for BspBackend

Available on crate feature bridge-bevy only.
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fn to_bevy_mesh(solid: &Csg<f64>) -> Mesh

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impl CsgToStl for BspBackend

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fn write_stl_binary(solid: &Csg<f64>, writer: &mut dyn Write) -> Result<()>

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fn write_stl_ascii(solid: &Csg<f64>, writer: &mut dyn Write) -> Result<()>

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impl DynamicBackend for BspBackend

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const SKETCH_IS_CSG: bool = true

2D and 3D share Csg<f64>; bare sketches keep their geometry in 3D context (and vice versa) through the identity bridges below.

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fn cube(size: [f64; 3]) -> Csg<f64>

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fn sphere(radius: f64, segments: usize, stacks: usize) -> Csg<f64>

stacks is advisory; backends with a single tessellation knob ignore it.
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fn cylinder(radius: f64, height: f64, segments: usize) -> Csg<f64>

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fn cone(radius: f64, height: f64, segments: usize) -> Csg<f64>

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fn circle(radius: f64, segments: usize) -> Csg<f64>

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fn square(size: [f64; 2]) -> Csg<f64>

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fn polygon(points: &[[f64; 2]]) -> Csg<f64>

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fn sketch(loops: &[Vec<DVec2>]) -> Csg<f64>

Build a profile from winding-normalized loops (CCW outers, CW holes) as produced by rscad_core::sketch::profile_loops.
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fn sketch_as_csg(sketch: Csg<f64>) -> Csg<f64>

Bare 2D geometry appearing in 3D context. Only called when SKETCH_IS_CSG is true.
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fn csg_as_sketch(csg: Csg<f64>) -> Csg<f64>

3D geometry appearing in 2D context. Only called when SKETCH_IS_CSG is true.
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fn offset( sketch: Self::SketchType, _delta: f64, _round: bool, _chamfer: bool, _segments: usize, ) -> Self::SketchType

2D polygon offset (offset(delta=…) / offset(r=…)). Default passes the profile through unchanged — for backends without polygon offsetting (BSP, the documented 2D outlier). round wins over chamfer.
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fn union_all(items: Vec<Self::CsgType>) -> Self::CsgType

N-ary union; override when the backend has a batch operation.
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fn union_all_2d(items: Vec<Self::SketchType>) -> Self::SketchType

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impl ToCsg<BspBackend> for Cube

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fn to_csg(&self) -> Csg<f64>

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impl ToCsg<BspBackend> for Cylinder

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fn to_csg(&self) -> Csg<f64>

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impl ToCsg<BspBackend> for Sphere

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fn to_csg(&self) -> Csg<f64>

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impl ToSketch<BspBackend> for Circle

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fn to_sketch(&self) -> Csg<f64>

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impl<const N: usize> ToSketch<BspBackend> for Polygon<N>

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fn to_sketch(&self) -> Csg<f64>

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impl ToSketch<BspBackend> for PolygonDynamic

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fn to_sketch(&self) -> Csg<f64>

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impl ToSketch<BspBackend> for Square

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fn to_sketch(&self) -> Csg<f64>

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