feat:Add curve projection function

Author: cxh1378

cpp/src/factory.cpp

@@ -36,6 +36,8 @@
 
 #include "shared.hpp"
 
+#include <BRepProj_Projection.hxx>
+
 using namespace emscripten;
 
 struct ShapeResult {
@@ -568,6 +570,15 @@ class ShapeFactory {
         }
         return ShapeResult { makeChamfer.Shape(), true, "" };
     }
+
+    static ShapeResult curveProjection(const TopoDS_Shape& curve, const TopoDS_Shape& targetFace, const gp_Dir& dir)
+    {
+        BRepProj_Projection curveProjection(curve, targetFace, dir);
+        if (!curveProjection.IsDone()) {
+            return ShapeResult { TopoDS_Shape(), false, "Failed to create curve projection" };
+        }
+        return ShapeResult { curveProjection.Shape(), true, "" };
+    }
 };
 
 EMSCRIPTEN_BINDINGS(ShapeFactory)
@@ -608,5 +619,6 @@ EMSCRIPTEN_BINDINGS(ShapeFactory)
         .class_function("booleanFuse", &ShapeFactory::booleanFuse)
         .class_function("combine", &ShapeFactory::combine)
         .class_function("fillet", &ShapeFactory::fillet)
-        .class_function("chamfer", &ShapeFactory::chamfer);
+        .class_function("chamfer", &ShapeFactory::chamfer)
+        .class_function("curveProjection", &ShapeFactory::curveProjection);
 }

packages/chili-builder/src/ribbon.ts

@@ -38,6 +38,7 @@ export const DefaultRibbon: RibbonTab[] = [
                     "convert.sweep",
                     "convert.revol",
                     "convert.toWire",
+                    "convert.curveProjection",
                     ["convert.toFace", "convert.toShell", "convert.toSolid"],
                 ],
             },

packages/chili-core/src/i18n/en.ts

@@ -56,6 +56,7 @@ export default {
         "command.convert.toShell": "ToShell",
         "command.convert.toSolid": "ToSolid",
         "command.convert.toWire": "ToWire",
+        "command.convert.curveProjection": "CurveProjection",
         "command.create.arc": "Arc",
         "command.create.bezier": "Bezier",
         "command.create.box": "Box",
@@ -121,6 +122,7 @@ export default {
         "common.confirm": "Confirm",
         "common.general": "General",
         "common.length": "Length",
+        "common.dir": "Direction",
         "common.material": "Material",
         "common.matrix": "Matrix",
         "common.name": "Name",

packages/chili-core/src/i18n/keys.ts

@@ -51,6 +51,7 @@ const I18N_KEYS = [
     "command.convert.toShell",
     "command.convert.toSolid",
     "command.convert.toWire",
+    "command.convert.curveProjection",
     "command.create.arc",
     "command.create.bezier",
     "command.create.box",
@@ -116,6 +117,7 @@ const I18N_KEYS = [
     "common.confirm",
     "common.general",
     "common.length",
+    "common.dir",
     "common.material",
     "common.matrix",
     "common.name",

packages/chili-core/src/i18n/zh-cn.ts

@@ -56,6 +56,7 @@ export default {
         "command.convert.toShell": "转为壳",
         "command.convert.toSolid": "转为体",
         "command.convert.toWire": "转多段线",
+        "command.convert.curveProjection": "曲线投影",
         "command.create.arc": "圆弧",
         "command.create.bezier": "贝塞尔",
         "command.create.box": "立方体",
@@ -121,6 +122,7 @@ export default {
         "common.confirm": "确定",
         "common.general": "常规",
         "common.length": "长度",
+        "common.dir": "方向",
         "common.material": "材质",
         "common.matrix": "矩阵",
         "common.name": "名称",

packages/chili-core/src/shape/shapeFactory.ts

@@ -47,4 +47,5 @@ export interface IShapeFactory {
     removeFeature(shape: IShape, faces: IFace[]): Result<IShape>;
     removeSubShape(shape: IShape, subShapes: IShape[]): IShape;
     replaceSubShape(shape: IShape, subShape: IShape, newSubShape: IShape): IShape;
+    curveProjection(curve: IEdge | IWire, targetFace: IFace, vec: XYZ): Result<IShape>;
 }

packages/chili-wasm/lib/chili-wasm.d.ts

@@ -586,6 +586,7 @@ interface EmbindModule {
     ShapeResult: {};
     ShapeFactory: {
         makeThickSolidBySimple(_0: TopoDS_Shape, _1: number): ShapeResult;
+        curveProjection(_0: TopoDS_Shape, _1: TopoDS_Shape, _2: gp_Dir): ShapeResult;
         polygon(_0: Array<Vector3>): ShapeResult;
         bezier(_0: Array<Vector3>, _1: Array<number>): ShapeResult;
         fillet(_0: TopoDS_Shape, _1: Array<number>, _2: number): ShapeResult;

packages/chili-wasm/lib/chili-wasm.wasm

@@ -285,4 +285,13 @@ export class ShapeFactory implements IShapeFactory {
             ),
         );
     }
+    curveProjection(curve: IEdge | IWire, targetFace: IFace, vec: XYZ): Result<IShape> {
+        return convertShapeResult(
+            wasm.ShapeFactory.curveProjection(
+                ensureOccShape(curve)[0],
+                ensureOccShape(targetFace)[0],
+                new wasm.gp_Dir(vec.x, vec.y, vec.z),
+            ),
+        );
+    }
 }

packages/chili-wasm/src/factory.ts

@@ -0,0 +1,42 @@
+// Part of the Chili3d Project, under the AGPL-3.0 License.
+// See LICENSE file in the project root for full license information.
+
+import { command, EditableShapeNode, I18n, IEdge, IFace, IWire, Property, ShapeType, XYZ } from "chili-core";
+import { IStep, SelectShapeStep } from "../../step";
+import { CreateCommand } from "../createCommand";
+
+@command({
+    key: "convert.curveProjection",
+    icon: "icon-curveProjection",
+})
+export class CurveProjectionCommand extends CreateCommand {
+    @Property.define("common.dir")
+    get dir() {
+        return this.getPrivateValue("dir", "0,0,-1");
+    }
+
+    set dir(value: string) {
+        this.setProperty("dir", value);
+    }
+
+    protected override geometryNode() {
+        let shape = this.stepDatas[0].shapes[0].shape as IEdge | IWire;
+        let face = this.stepDatas[1].shapes[0].shape as IFace;
+        const [x, y, z] = this.dir.split(",").map(Number);
+        let dir = new XYZ(x, y, z).normalize() as XYZ;
+
+        let curveProjection = this.application.shapeFactory.curveProjection(shape, face, dir);
+        return new EditableShapeNode(
+            this.document,
+            I18n.translate("command.convert.curveProjection"),
+            curveProjection.value,
+        );
+    }
+
+    protected override getSteps(): IStep[] {
+        return [
+            new SelectShapeStep(ShapeType.Edge | ShapeType.Wire, "prompt.select.shape"),
+            new SelectShapeStep(ShapeType.Face, "prompt.select.faces"),
+        ];
+    }
+}