@polygonjs/polygonjs/src/engine/nodes/sop/CADCurveTrim.ts

node-based WebGL 3D engine https://polygonjs.com

/**
 * trims input CAD curves
 *
 *
 */
import {CADSopNode} from './_BaseCAD';
import {NodeParamsConfig, ParamConfig} from '../utils/params/ParamsConfig';
import {step} from '../../../core/geometry/modules/cad/CadConstant';
import {CoreCadType} from '../../../core/geometry/modules/cad/CadCoreType';
import {
	CadGC,
	CadGeometryType,
	CadNumberHandle,
	_createCadNumberHandle,
} from '../../../core/geometry/modules/cad/CadCommon';
import {cadEdgeCreate} from '../../../core/geometry/modules/cad/toObject3D/CadEdge';
import {CoreGroup} from '../../../core/geometry/Group';
import {CadObject} from '../../../core/geometry/modules/cad/CadObject';
import {SopType} from '../../poly/registers/nodes/types/Sop';
import {CadLoaderSync} from '../../../core/geometry/modules/cad/CadLoaderSync';

const v0: CadNumberHandle = _createCadNumberHandle();
const v1: CadNumberHandle = _createCadNumberHandle();
// TODO: normalize range?
class CADCurveTrimSopParamsConfig extends NodeParamsConfig {
	/** @param min */
	min = ParamConfig.FLOAT(0, {
		range: [0, 1],
		rangeLocked: [false, false],
		step,
	});
	/** @param max */
	max = ParamConfig.FLOAT(1, {
		range: [0, 1],
		rangeLocked: [false, false],
		step,
	});
}
const ParamsConfig = new CADCurveTrimSopParamsConfig();

export class CADCurveTrimSopNode extends CADSopNode<CADCurveTrimSopParamsConfig> {
	override paramsConfig = ParamsConfig;
	static override type() {
		return SopType.CAD_CURVE_TRIM;
	}
	protected override initializeNode() {
		this.io.inputs.setCount(1);
	}

	override cook(inputCoreGroups: CoreGroup[]) {
		const oc = CadLoaderSync.oc();
		const inputCoreGroup = inputCoreGroups[0];

		const inputObjects = inputCoreGroup.cadObjects();
		const newObjects: CadObject<CadGeometryType>[] = [];
		if (inputObjects) {
			CadGC.withGC((r) => {
				for (const inputObject of inputObjects) {
					if (CoreCadType.isGeom2dCurve(inputObject)) {
						const curve = inputObject.cadGeometry();
						const handle = r(new oc.Handle_Geom2d_Curve_2(curve));
						const trimmedCurve = new oc.Geom2d_TrimmedCurve(handle, this.pv.min, this.pv.max, true, true);

						newObjects.push(new CadObject(trimmedCurve, CadGeometryType.CURVE_2D));
					} else if (CoreCadType.isEdge(inputObject)) {
						const edge = inputObject.cadGeometry();
						oc.BRep_Tool.Range_1(edge, v0 as any, v1 as any);
						const handle = oc.BRep_Tool.Curve_2(edge, v0.current, v1.current);
						const trimmedCurve = new oc.Geom_TrimmedCurve(handle, this.pv.min, this.pv.max, true, true);
						const newEdge = cadEdgeCreate(oc, trimmedCurve);
						newObjects.push(new CadObject(newEdge, CadGeometryType.EDGE));
					}
				}
			});
		}
		this.setCADObjects(newObjects);
	}
}