message: update Mesh.ts to use Angle constants versus inline ones
diff: @@ -11,6 +11,7 @@ import {
  Point3d,
  Range3d,
  Polyface,
  + Angle,
  // PolyfaceQuery,
  // IndxedPolyfaceVisitor,
  } from "@bentley/geometry-core";
  @@ -447,7 +448,7 @@ export namespace MeshBuilder {
  export class MeshEdgeCreationOptions {
  public readonly type: MeshEdgeCreationOptions.Type;
  - public readonly minCreaseAngle = 20.0 * GeomConstant.radiansPerDegree;
  + public readonly minCreaseAngle = 20.0 * Angle.radiansPerDegree;
  public get generateAllEdges(): boolean { return this.type === MeshEdgeCreationOptions.Type.AllEdges; }
  public get generateNoEdges(): boolean { return this.type === MeshEdgeCreationOptions.Type.NoEdges; }
  public get generateSheetEdges(): boolean { return 0 !== (this.type & MeshEdgeCreationOptions.Type.SheetEdges); }
  @@ -469,17 +470,6 @@ export namespace MeshEdgeCreationOptions {
  }
  }
  -export class GeomConstant {
  - public static readonly piOver4 = 7.85398163397448280000e-001;
  - public static readonly piOver2 = 1.57079632679489660000e+000;
  - public static readonly pi = 3.14159265358979310000e+000;
  - public static readonly pi2 = 6.28318530717958620000e+000;
  - public static readonly degreesPerRadian = (45.0 / GeomConstant.piOver4);
  - public static readonly radiansPerDegree = (GeomConstant.piOver4 / 45.0);
  - public static readonly piOver12 = 0.26179938779914943653855361527329;
  - public static readonly PI = 3.1415926535897932384626433;
  -}
  -
  export class MeshBuilderPolyface {
  public readonly polyface: Polyface;
  public readonly edgeOptions: MeshEdgeCreationOptions;
  