forked from 1b-agent/opencadstudio-upstream
Felix RiestraandClaude Sonnet 5
31b5ef4ec3
New ConstraintKind variants — Concentric, CenterPoint, Colinear, Midpoint, Fixed, PointOnCurve, EqualDistance, Symmetric — each built entirely from existing ocs_gcs (FreeCAD planegcs) primitives, no new solver math needed. build_constraint now returns Vec<Rc<dyn Constraint>> instead of Option<Rc<...>>, generalizing the old Coincident-only "needs a second system-level constraint" special case to every kind that needs one. Wired into the ribbon (7 new buttons), a new point+pre-selected-entity command for CenterPoint/Midpoint/PointOnCurve, a new 4-point command for EqualDistance, and the existing DWG-native class-name mapping (all 8 reuse the same generic "plain Geometrical node" path already built for Coincident/Horizontal/etc.). Deliberately not modeled: Normal and EqualCurvature, which for this app's Line/Circle-only entity model would just be Perpendicular and Equal wearing different DWG class names. Also makes DWG-native constraint persistence opt-in (Options > General, off by default) rather than unconditional: a scope that doesn't yet have the native graph is only given one when the setting is on, but a scope that already has one — from an earlier save, or a file that came from real AutoCAD — keeps getting it resynced regardless of the setting, so toggling it off never freezes a stale graph in place. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
68 lines
2.1 KiB
Rust
68 lines
2.1 KiB
Rust
//! EDCONSTRAINT — AutoCAD's fourth `Equal` sub-kind
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//! (`ACEQUALDISTANCECONSTRAINT`): the distance between one point pair
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//! equals the distance between another, rather than two whole entities
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//! being equal length/radius. Needs four point picks (unlike the two
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//! whole-entity selections `ECONSTRAINT` uses), so — like
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//! `CoincidentConstraintCommand` — it accumulates raw points and hands them
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//! back for the host to resolve (`CadCommand` has no document access).
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use glam::DVec3;
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use crate::command::{CadCommand, CmdResult};
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use crate::modules::{IconKind, ModuleEvent, ToolDef};
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pub mod equal_distance_tool {
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use super::*;
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pub fn tool() -> ToolDef {
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ToolDef {
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id: "EDCONSTRAINT",
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label: "Equal Distance",
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icon: IconKind::Glyph("≐"),
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event: ModuleEvent::Command("EDCONSTRAINT".to_string()),
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}
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}
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}
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#[derive(Default)]
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pub struct EqualDistanceConstraintCommand {
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points: Vec<DVec3>,
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}
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impl EqualDistanceConstraintCommand {
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pub fn new() -> Self {
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Self::default()
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}
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}
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impl CadCommand for EqualDistanceConstraintCommand {
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fn name(&self) -> &'static str {
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"EDCONSTRAINT"
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}
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fn prompt(&self) -> String {
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match self.points.len() {
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0 => "EQUAL DISTANCE Specify first point of first pair:".to_string(),
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1 => "EQUAL DISTANCE Specify second point of first pair:".to_string(),
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2 => "EQUAL DISTANCE Specify first point of second pair:".to_string(),
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_ => "EQUAL DISTANCE Specify second point of second pair:".to_string(),
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}
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}
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fn on_point(&mut self, pt: DVec3) -> CmdResult {
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self.points.push(pt);
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if self.points.len() < 4 {
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return CmdResult::NeedPoint;
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}
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let [a, b, c, d] = self.points[..] else { unreachable!("just checked len == 4") };
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CmdResult::AddEqualDistanceConstraint { points: [a, b, c, d], label: "Equal distance constraint" }
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}
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fn on_enter(&mut self) -> CmdResult {
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CmdResult::Cancel
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}
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fn on_escape(&mut self) -> CmdResult {
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CmdResult::Cancel
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}
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}
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