RepliCAD

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import { getOC } from "./oclib";
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import { AnyShape, Face, Shape3D } from "./shapes";
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import type { GProp_GProps } from "replicad-opencascadejs";
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import { GCWithScope, WrappingObj } from "./register";
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class PhysicalProperties extends WrappingObj<GProp_GProps> {
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  get centerOfMass(): [number, number, number] {
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    const r = GCWithScope();
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    const pnt = r(this.wrapped.CentreOfMass());
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    return [pnt.X(), pnt.Y(), pnt.Z()];
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  }
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}
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export class VolumePhysicalProperties extends PhysicalProperties {
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  get volume(): number {
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    return this.wrapped.Mass();
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  }
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}
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export class SurfacePhysicalProperties extends PhysicalProperties {
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  get area(): number {
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    return this.wrapped.Mass();
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  }
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}
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export class LinearPhysicalProperties extends PhysicalProperties {
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  get length(): number {
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    return this.wrapped.Mass();
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  }
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}
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export function measureShapeSurfaceProperties(
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  shape: Face | Shape3D
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): SurfacePhysicalProperties {
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  const oc = getOC();
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  const properties = new oc.GProp_GProps_1();
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  oc.BRepGProp.SurfaceProperties_1(shape.wrapped, properties, false, false);
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  return new SurfacePhysicalProperties(properties);
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}
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export function measureShapeLinearProperties(
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  shape: AnyShape
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): LinearPhysicalProperties {
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  const oc = getOC();
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  const properties = new oc.GProp_GProps_1();
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  oc.BRepGProp.LinearProperties(shape.wrapped, properties, false, false);
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  return new LinearPhysicalProperties(properties);
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}
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export function measureShapeVolumeProperties(
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  shape: Shape3D
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): VolumePhysicalProperties {
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  const oc = getOC();
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  const properties = new oc.GProp_GProps_1();
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  oc.BRepGProp.VolumeProperties_1(
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    shape.wrapped,
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    properties,
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    false,
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    false,
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    false
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  );
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  return new VolumePhysicalProperties(properties);
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}
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export function measureVolume(shape: Shape3D) {
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  return measureShapeVolumeProperties(shape).volume;
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}
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export function measureArea(shape: Face | Shape3D) {
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  return measureShapeSurfaceProperties(shape).area;
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}
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export function measureLength(shape: AnyShape) {
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  return measureShapeLinearProperties(shape).length;
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}
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