import { Cartesian3 } from "../../Source/Cesium.js"; import { Color } from "../../Source/Cesium.js"; import { Intersect } from "../../Source/Cesium.js"; import { Math as CesiumMath } from "../../Source/Cesium.js"; import { Matrix3 } from "../../Source/Cesium.js"; import { Plane } from "../../Source/Cesium.js"; import { TileOrientedBoundingBox } from "../../Source/Cesium.js"; import createFrameState from "../createFrameState.js"; describe("Scene/TileOrientedBoundingBox", function () { var center = new Cartesian3(0.0, 0.0, 0.0); var halfAxes = Matrix3.fromScale( new Cartesian3(0.5, 0.5, 0.5), new Matrix3() ); var tileBoundingVolume = new TileOrientedBoundingBox(center, halfAxes); var frameState = createFrameState(); it("can be instantiated with center and half-axes", function () { expect(tileBoundingVolume.boundingVolume.center).toEqual(center); expect(tileBoundingVolume.boundingVolume.halfAxes).toEqual(halfAxes); expect(tileBoundingVolume.boundingSphere.center).toEqual(center); expect(tileBoundingVolume.boundingSphere.radius).toBeGreaterThan(0.5); expect(tileBoundingVolume.boundingSphere.radius).toBeLessThan(1.0); }); it("createDebugVolume throws when color is undefined", function () { expect(function () { return tileBoundingVolume.createDebugVolume(); }).toThrowDeveloperError(); }); it("can create debug volume", function () { expect(tileBoundingVolume.createDebugVolume(Color.BLUE)).toBeDefined(); }); it("distanceToCamera throws when frameState is undefined", function () { expect(function () { return tileBoundingVolume.distanceToCamera(); }).toThrowDeveloperError(); }); it("has distance 0 to camera if camera is inside", function () { frameState.camera.position = new Cartesian3(0.0, 0.0, 0.0); expect(tileBoundingVolume.distanceToCamera(frameState)).toEqual(0.0); frameState.camera.position = new Cartesian3(-0.5, -0.5, -0.5); expect(tileBoundingVolume.distanceToCamera(frameState)).toEqual(0.0); frameState.camera.position = new Cartesian3(0.5, 0.5, 0.5); expect(tileBoundingVolume.distanceToCamera(frameState)).toEqual(0.0); }); it("has correct distance to camera if camera is slightly outside box", function () { var eps6 = CesiumMath.EPSILON6; frameState.camera.position = new Cartesian3(0.5 + eps6, 0.5, 0.5); expect(tileBoundingVolume.distanceToCamera(frameState)).not.toEqual(0.0); frameState.camera.position = new Cartesian3(-0.5, -0.5, -0.5 - eps6); expect(tileBoundingVolume.distanceToCamera(frameState)).not.toEqual(0.0); frameState.camera.position = new Cartesian3(100.5, 100.5, 100.5); expect(tileBoundingVolume.distanceToCamera(frameState)).toEqual( Math.sqrt(30000.0) ); }); it("has correct distance to camera for large distances", function () { frameState.camera.position = new Cartesian3( 2170456.713380141, -36351235.19646463, 28403328.27058654 ); expect(tileBoundingVolume.distanceToCamera(frameState)).toEqualEpsilon( 46183029.05370139, CesiumMath.EPSILON6 ); }); it("intersectPlane throws when plane is undefined", function () { expect(function () { return tileBoundingVolume.intersectPlane(); }).toThrowDeveloperError(); }); it("intersects plane", function () { var plane = new Plane(Cartesian3.UNIT_X, 0.0); expect(tileBoundingVolume.intersectPlane(plane)).toEqual( Intersect.INTERSECTING ); plane = new Plane(Cartesian3.UNIT_X, 0.5 - CesiumMath.EPSILON6); expect(tileBoundingVolume.intersectPlane(plane)).toEqual( Intersect.INTERSECTING ); plane = new Plane(Cartesian3.UNIT_X, -0.5 + CesiumMath.EPSILON6); expect(tileBoundingVolume.intersectPlane(plane)).toEqual( Intersect.INTERSECTING ); }); it("does not intersect plane", function () { var eps6 = CesiumMath.EPSILON6; var plane = new Plane(Cartesian3.UNIT_X, 0.5 + eps6); expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.INSIDE); plane = new Plane(Cartesian3.UNIT_Y, 0.5 + eps6); expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.INSIDE); plane = new Plane(Cartesian3.UNIT_Z, 0.5 + eps6); expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.INSIDE); plane = new Plane(Cartesian3.UNIT_X, -0.5 - eps6); expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.OUTSIDE); plane = new Plane(Cartesian3.UNIT_Y, -0.5 - eps6); expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.OUTSIDE); plane = new Plane(Cartesian3.UNIT_Z, -0.5 - eps6); expect(tileBoundingVolume.intersectPlane(plane)).toEqual(Intersect.OUTSIDE); }); });