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import * as Inputs from "../../api/inputs/inputs";
import { VectorHelperService } from "../../api/vector-helper.service";
import { ConverterService } from "./converter.service";
import { EntitiesService } from "./entities.service";
export class TransformsService {
constructor(
private readonly occ: OpenCascadeInstance,
private readonly converterService: ConverterService,
private readonly entitiesService: EntitiesService,
private readonly vecHelper: VectorHelperService
) { }
alignAndTranslate(inputs: Inputs.OCCT.AlignAndTranslateDto<TopoDS_Shape>): TopoDS_Shape {
const alignedShape = this.align(
{
shape: inputs.shape,
fromOrigin: [0, 0, 0],
fromDirection: [0, 1, 0],
toOrigin: [0, 0, 0],
toDirection: inputs.direction
}
);
const translated = this.translate(
{
shape: alignedShape,
translation: inputs.center
}
);
alignedShape.delete();
return translated;
}
scale3d(inputs: Inputs.OCCT.Scale3DDto<TopoDS_Shape>): TopoDS_Shape {
const shapeTranslated = this.translate({ shape: inputs.shape, translation: inputs.center.map(c => -c) as Inputs.Base.Vector3 });
const transformation = new this.occ.gp_GTrsf_1();
const scale = inputs.scale;
const mat = new this.occ.gp_Mat_2(scale[0], 0.0, 0.0, 0.0, scale[1], 0.0, 0.0, 0.0, scale[2]);
transformation.SetVectorialPart(mat);
let result;
try {
const gtrans = new this.occ.BRepBuilderAPI_GTransform_2(shapeTranslated as TopoDS_Shape, transformation, false);
const messageProps = new this.occ.Message_ProgressRange_1();
gtrans.Build(messageProps);
const scaledShape = gtrans.Shape();
result = this.translate({ shape: scaledShape, translation: inputs.center });
gtrans.delete();
scaledShape.delete();
messageProps.delete();
} catch (ex) {
throw new Error("Could not scale the shape");
}
shapeTranslated.delete();
transformation.delete();
mat.delete();
return result;
}
translate(inputs: Inputs.OCCT.TranslateDto<TopoDS_Shape>) {
const transformation = new this.occ.gp_Trsf_1();
const gpVec = new this.occ.gp_Vec_4(inputs.translation[0], inputs.translation[1], inputs.translation[2]);
transformation.SetTranslation_1(gpVec);
const transf = new this.occ.BRepBuilderAPI_Transform_2(inputs.shape, transformation, true);
const s = transf.Shape();
const shp = this.converterService.getActualTypeOfShape(s);
s.delete();
transformation.delete();
transf.delete();
gpVec.delete();
return shp;
}
mirror(inputs: Inputs.OCCT.MirrorDto<TopoDS_Shape>) {
const transformation = new this.occ.gp_Trsf_1();
const ax1 = this.entitiesService.gpAx1(inputs.origin, inputs.direction);
transformation.SetMirror_2(ax1);
const transformed = new this.occ.BRepBuilderAPI_Transform_2(inputs.shape, transformation, true);
const transformedShape = transformed.Shape();
const shp = this.converterService.getActualTypeOfShape(transformedShape);
transformedShape.delete();
transformed.delete();
transformation.delete();
ax1.delete();
return shp;
}
mirrorAlongNormal(inputs: Inputs.OCCT.MirrorAlongNormalDto<TopoDS_Shape>) {
const transformation = new this.occ.gp_Trsf_1();
const ax = this.entitiesService.gpAx2(inputs.origin, inputs.normal);
transformation.SetMirror_3(ax);
const transformed = new this.occ.BRepBuilderAPI_Transform_2(inputs.shape, transformation, true);
const transformedShape = transformed.Shape();
const shp = this.converterService.getActualTypeOfShape(transformedShape);
ax.delete();
transformedShape.delete();
transformed.delete();
transformation.delete();
return shp;
}
rotate(inputs: Inputs.OCCT.RotateDto<TopoDS_Shape>) {
let rotated;
if (inputs.angle === 0) {
rotated = inputs.shape;
} else {
const transformation = new this.occ.gp_Trsf_1();
const gpVec = new this.occ.gp_Vec_4(inputs.axis[0], inputs.axis[1], inputs.axis[2]);
const dir = new this.occ.gp_Dir_4(inputs.axis[0], inputs.axis[1], inputs.axis[2]);
const pt1 = new this.occ.gp_Pnt_3(0, 0, 0);
const ax = new this.occ.gp_Ax1_2(pt1, dir);
transformation.SetRotation_1(ax, this.vecHelper.degToRad(inputs.angle));
const transf = new this.occ.BRepBuilderAPI_Transform_2(inputs.shape, transformation, true);
const s = transf.Shape();
const shp = this.converterService.getActualTypeOfShape(s);
s.delete();
gpVec.delete();
dir.delete();
pt1.delete();
ax.delete();
transf.delete();
transformation.delete();
return shp;
}
const actualShape = this.converterService.getActualTypeOfShape(rotated);
Iif (inputs.angle !== 0) {
rotated.delete();
}
return actualShape;
}
align(inputs: Inputs.OCCT.AlignDto<TopoDS_Shape>) {
const transformation = new this.occ.gp_Trsf_1();
const ax1 = this.entitiesService.gpAx3_4(inputs.fromOrigin, inputs.fromDirection);
const ax2 = this.entitiesService.gpAx3_4(inputs.toOrigin, inputs.toDirection);
transformation.SetDisplacement(
ax1,
ax2,
);
const translation = new this.occ.TopLoc_Location_2(transformation);
const moved = inputs.shape.Moved(translation, false);
transformation.delete();
ax1.delete();
ax2.delete();
const shp = this.converterService.getActualTypeOfShape(moved);
moved.delete();
return shp;
}
alignNormAndAxis(inputs: Inputs.OCCT.AlignNormAndAxisDto<TopoDS_Shape>) {
const transformation = new this.occ.gp_Trsf_1();
const ax1 = this.entitiesService.gpAx3_3(inputs.fromOrigin, inputs.fromNorm, inputs.fromAx);
const ax2 = this.entitiesService.gpAx3_3(inputs.toOrigin, inputs.toNorm, inputs.toAx);
transformation.SetDisplacement(
ax1,
ax2,
);
const translation = new this.occ.TopLoc_Location_2(transformation);
const moved = inputs.shape.Moved(translation, false);
transformation.delete();
ax1.delete();
ax2.delete();
const shp = this.converterService.getActualTypeOfShape(moved);
moved.delete();
return shp;
}
}
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