kcl_lib/std/
helix.rs

1//! Standard library helices.
2
3use anyhow::Result;
4use kcmc::{each_cmd as mcmd, length_unit::LengthUnit, shared::Angle, ModelingCmd};
5use kittycad_modeling_cmds::{self as kcmc, shared::Point3d};
6
7use super::args::TyF64;
8use crate::{
9    errors::{KclError, KclErrorDetails},
10    execution::{
11        types::{PrimitiveType, RuntimeType},
12        ExecState, Helix as HelixValue, KclValue, Solid,
13    },
14    std::{axis_or_reference::Axis3dOrEdgeReference, Args},
15};
16
17/// Create a helix.
18pub async fn helix(exec_state: &mut ExecState, args: Args) -> Result<KclValue, KclError> {
19    let angle_start: TyF64 = args.get_kw_arg_typed("angleStart", &RuntimeType::degrees(), exec_state)?;
20    let revolutions: TyF64 = args.get_kw_arg_typed("revolutions", &RuntimeType::count(), exec_state)?;
21    let ccw = args.get_kw_arg_opt("ccw")?;
22    let radius: Option<TyF64> = args.get_kw_arg_opt_typed("radius", &RuntimeType::length(), exec_state)?;
23    let axis: Option<Axis3dOrEdgeReference> = args.get_kw_arg_opt_typed(
24        "axis",
25        &RuntimeType::Union(vec![
26            RuntimeType::Primitive(PrimitiveType::Edge),
27            RuntimeType::Primitive(PrimitiveType::Axis3d),
28        ]),
29        exec_state,
30    )?;
31    let length: Option<TyF64> = args.get_kw_arg_opt_typed("length", &RuntimeType::length(), exec_state)?;
32    let cylinder = args.get_kw_arg_opt_typed("cylinder", &RuntimeType::solid(), exec_state)?;
33
34    // Make sure we have a radius if we don't have a cylinder.
35    if radius.is_none() && cylinder.is_none() {
36        return Err(KclError::Semantic(crate::errors::KclErrorDetails::new(
37            "Radius is required when creating a helix without a cylinder.".to_string(),
38            vec![args.source_range],
39        )));
40    }
41
42    // Make sure we don't have a radius if we have a cylinder.
43    if radius.is_some() && cylinder.is_some() {
44        return Err(KclError::Semantic(crate::errors::KclErrorDetails::new(
45            "Radius is not allowed when creating a helix with a cylinder.".to_string(),
46            vec![args.source_range],
47        )));
48    }
49
50    // Make sure we have an axis if we don't have a cylinder.
51    if axis.is_none() && cylinder.is_none() {
52        return Err(KclError::Semantic(crate::errors::KclErrorDetails::new(
53            "Axis is required when creating a helix without a cylinder.".to_string(),
54            vec![args.source_range],
55        )));
56    }
57
58    // Make sure we don't have an axis if we have a cylinder.
59    if axis.is_some() && cylinder.is_some() {
60        return Err(KclError::Semantic(crate::errors::KclErrorDetails::new(
61            "Axis is not allowed when creating a helix with a cylinder.".to_string(),
62            vec![args.source_range],
63        )));
64    }
65
66    // Make sure we have a radius if we have an axis.
67    if radius.is_none() && axis.is_some() {
68        return Err(KclError::Semantic(crate::errors::KclErrorDetails::new(
69            "Radius is required when creating a helix around an axis.".to_string(),
70            vec![args.source_range],
71        )));
72    }
73
74    // Make sure we have an axis if we have a radius.
75    if axis.is_none() && radius.is_some() {
76        return Err(KclError::Semantic(crate::errors::KclErrorDetails::new(
77            "Axis is required when creating a helix around an axis.".to_string(),
78            vec![args.source_range],
79        )));
80    }
81
82    let value = inner_helix(
83        revolutions.n,
84        angle_start.n,
85        ccw,
86        radius,
87        axis,
88        length,
89        cylinder,
90        exec_state,
91        args,
92    )
93    .await?;
94    Ok(KclValue::Helix { value })
95}
96
97#[allow(clippy::too_many_arguments)]
98async fn inner_helix(
99    revolutions: f64,
100    angle_start: f64,
101    ccw: Option<bool>,
102    radius: Option<TyF64>,
103    axis: Option<Axis3dOrEdgeReference>,
104    length: Option<TyF64>,
105    cylinder: Option<Solid>,
106    exec_state: &mut ExecState,
107    args: Args,
108) -> Result<Box<HelixValue>, KclError> {
109    let id = exec_state.next_uuid();
110
111    let helix_result = Box::new(HelixValue {
112        value: id,
113        artifact_id: id.into(),
114        revolutions,
115        angle_start,
116        cylinder_id: cylinder.as_ref().map(|c| c.id),
117        ccw: ccw.unwrap_or(false),
118        units: exec_state.length_unit(),
119        meta: vec![args.source_range.into()],
120    });
121
122    if args.ctx.no_engine_commands().await {
123        return Ok(helix_result);
124    }
125
126    if let Some(cylinder) = cylinder {
127        args.batch_modeling_cmd(
128            id,
129            ModelingCmd::from(mcmd::EntityMakeHelix {
130                cylinder_id: cylinder.id,
131                is_clockwise: !helix_result.ccw,
132                length: LengthUnit(length.as_ref().map(|t| t.to_mm()).unwrap_or(cylinder.height_in_mm())),
133                revolutions,
134                start_angle: Angle::from_degrees(angle_start),
135            }),
136        )
137        .await?;
138    } else if let (Some(axis), Some(radius)) = (axis, radius) {
139        match axis {
140            Axis3dOrEdgeReference::Axis { direction, origin } => {
141                // Make sure they gave us a length.
142                let Some(length) = length else {
143                    return Err(KclError::Semantic(KclErrorDetails::new(
144                        "Length is required when creating a helix around an axis.".to_owned(),
145                        vec![args.source_range],
146                    )));
147                };
148
149                args.batch_modeling_cmd(
150                    id,
151                    ModelingCmd::from(mcmd::EntityMakeHelixFromParams {
152                        radius: LengthUnit(radius.to_mm()),
153                        is_clockwise: !helix_result.ccw,
154                        length: LengthUnit(length.to_mm()),
155                        revolutions,
156                        start_angle: Angle::from_degrees(angle_start),
157                        axis: Point3d {
158                            x: direction[0].to_mm(),
159                            y: direction[1].to_mm(),
160                            z: direction[2].to_mm(),
161                        },
162                        center: Point3d {
163                            x: LengthUnit(origin[0].to_mm()),
164                            y: LengthUnit(origin[1].to_mm()),
165                            z: LengthUnit(origin[2].to_mm()),
166                        },
167                    }),
168                )
169                .await?;
170            }
171            Axis3dOrEdgeReference::Edge(edge) => {
172                let edge_id = edge.get_engine_id(exec_state, &args)?;
173
174                args.batch_modeling_cmd(
175                    id,
176                    ModelingCmd::from(mcmd::EntityMakeHelixFromEdge {
177                        radius: LengthUnit(radius.to_mm()),
178                        is_clockwise: !helix_result.ccw,
179                        length: length.map(|t| LengthUnit(t.to_mm())),
180                        revolutions,
181                        start_angle: Angle::from_degrees(angle_start),
182                        edge_id,
183                    }),
184                )
185                .await?;
186            }
187        };
188    }
189
190    Ok(helix_result)
191}
kcl_lib/std/helix.rs

kcl_lib/std/
helix.rs
