Add coordinate flag for sweeps (#885)

* Add coordinate flag for sweeps

Part of KittyCAD/engine#3115

* Rename XYPlane to SketchPlane

Author: adamchalmers

modeling-cmds/src/def_enum.rs

@@ -24,6 +24,7 @@ define_modeling_cmd_enum! {
             shared::{
                 Angle,
                 ComponentTransform,
+                RelativeTo,
                 CutType,
                 CutStrategy,
                 CameraMovement,
@@ -140,6 +141,9 @@ define_modeling_cmd_enum! {
             pub sectional: bool,
             /// The maximum acceptable surface gap computed between the revolution surface joints. Must be positive (i.e. greater than zero).
             pub tolerance: LengthUnit,
+            /// What is this sweep relative to?
+            #[serde(default)]
+            pub relative_to: RelativeTo,
         }
 
         /// Command for revolving a solid 2d.

modeling-cmds/src/shared.rs

@@ -1152,3 +1152,16 @@ pub enum CutStrategy {
     #[default]
     Automatic,
 }
+
+/// What is the given geometry relative to?
+#[derive(Debug, Clone, Copy, PartialEq, Serialize, Deserialize, JsonSchema, Default)]
+#[serde(rename_all = "snake_case")]
+#[cfg_attr(feature = "ts-rs", derive(ts_rs::TS))]
+#[cfg_attr(feature = "ts-rs", ts(export_to = "ModelingCmd.ts"))]
+pub enum RelativeTo {
+    /// Local/relative to a position centered within the plane being sketched on
+    #[default]
+    SketchPlane,
+    /// Local/relative to the trajectory curve
+    TrajectoryCurve,
+}