@bitbybit-dev/jscad/lib/api/services/jscad-extrusions.js

Bit By Bit Developers JSCAD based CAD Library to Program Geometry

/**
 * Contains various functions for Solid extrusions from JSCAD library https://github.com/jscad/OpenJSCAD.org
 * Thanks JSCAD community for developing this kernel
 */
export class JSCADExtrusions {
    constructor(jscad, geometryHelper, math) {
        this.jscad = jscad;
        this.geometryHelper = geometryHelper;
        this.math = math;
    }
    extrudeLinear(inputs) {
        const multipleGeometries = inputs.geometry.length && inputs.geometry.length > 0;
        const geometry = multipleGeometries ? inputs.geometry : [inputs.geometry];
        const extrusions = this.jscad.extrusions.extrudeLinear({
            height: inputs.height,
            twistAngle: this.math.degToRad({ number: inputs.twistAngle }),
            twistSteps: inputs.twistSteps
        }, ...geometry);
        return extrusions;
    }
    extrudeRectangular(inputs) {
        const multipleGeometries = inputs.geometry.length && inputs.geometry.length > 0;
        const geometry = multipleGeometries ? inputs.geometry : [inputs.geometry];
        const extrusions = this.jscad.extrusions.extrudeRectangular({ height: inputs.height, size: inputs.size }, ...geometry);
        return extrusions;
    }
    extrudeRectangularPoints(inputs) {
        const twoDimensionalPoints = inputs.points.map(pt => [pt[0], pt[1]]);
        const duplicatePointsRemoved = this.geometryHelper.removeConsecutiveVectorDuplicates(twoDimensionalPoints);
        const path = this.jscad.geometries.path2.fromPoints({}, duplicatePointsRemoved);
        const extrusion = this.extrudeRectangular({ height: inputs.height, size: inputs.size, geometry: path });
        return extrusion;
    }
    extrudeRotate(inputs) {
        const options = {
            angle: this.math.degToRad({ number: inputs.angle }),
            startAngle: this.math.degToRad({ number: inputs.startAngle }),
            overflow: "cap",
            segments: inputs.segments
        };
        const extrusion = this.jscad.extrusions.extrudeRotate(options, inputs.polygon);
        return extrusion;
    }
}