import { Cartesian2 } from "../../Source/Cesium.js";
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import { Cartesian3 } from "../../Source/Cesium.js";
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import { Cartesian4 } from "../../Source/Cesium.js";
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import { Math as CesiumMath } from "../../Source/Cesium.js";
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import { Matrix4 } from "../../Source/Cesium.js";
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import { OrthographicFrustum } from "../../Source/Cesium.js";
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import createPackableSpecs from "../createPackableSpecs.js";
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describe("Core/OrthographicFrustum", function () {
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var frustum, planes;
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beforeEach(function () {
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frustum = new OrthographicFrustum();
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frustum.near = 1.0;
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frustum.far = 3.0;
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frustum.width = 2.0;
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frustum.aspectRatio = 1.0;
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planes = frustum.computeCullingVolume(
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new Cartesian3(),
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Cartesian3.negate(Cartesian3.UNIT_Z, new Cartesian3()),
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Cartesian3.UNIT_Y
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).planes;
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});
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it("constructs", function () {
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var options = {
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width: 1.0,
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aspectRatio: 2.0,
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near: 3.0,
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far: 4.0,
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xOffset: 5.0,
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yOffset: 6.0,
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};
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var f = new OrthographicFrustum(options);
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expect(f.width).toEqual(options.width);
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expect(f.aspectRatio).toEqual(options.aspectRatio);
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expect(f.near).toEqual(options.near);
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expect(f.far).toEqual(options.far);
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});
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it("default constructs", function () {
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var f = new OrthographicFrustum();
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expect(f.width).toBeUndefined();
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expect(f.aspectRatio).toBeUndefined();
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expect(f.near).toEqual(1.0);
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expect(f.far).toEqual(500000000.0);
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});
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it("undefined width causes an exception", function () {
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frustum.width = undefined;
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expect(function () {
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return frustum.projectionMatrix;
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}).toThrowDeveloperError();
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});
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it("undefined aspectRatio throws an exception", function () {
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frustum.aspectRatio = undefined;
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expect(function () {
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return frustum.projectionMatrix;
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}).toThrowDeveloperError();
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});
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it("out of range near plane throws an exception", function () {
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frustum.near = -1.0;
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expect(function () {
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return frustum.projectionMatrix;
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}).toThrowDeveloperError();
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frustum.far = 3.0;
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expect(function () {
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return frustum.projectionMatrix;
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}).toThrowDeveloperError();
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});
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it("negative far plane throws an exception", function () {
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frustum.far = -1.0;
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expect(function () {
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return frustum.projectionMatrix;
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}).toThrowDeveloperError();
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});
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it("computeCullingVolume with no position throws an exception", function () {
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expect(function () {
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return frustum.computeCullingVolume();
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}).toThrowDeveloperError();
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});
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it("computeCullingVolume with no direction throws an exception", function () {
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expect(function () {
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return frustum.computeCullingVolume(new Cartesian3());
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}).toThrowDeveloperError();
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});
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it("computeCullingVolume with no up throws an exception", function () {
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expect(function () {
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return frustum.computeCullingVolume(new Cartesian3(), new Cartesian3());
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}).toThrowDeveloperError();
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});
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it("get frustum left plane", function () {
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var leftPlane = planes[0];
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var expectedResult = new Cartesian4(1.0, 0.0, 0.0, 1.0);
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expect(leftPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON4);
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});
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it("get frustum right plane", function () {
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var rightPlane = planes[1];
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var expectedResult = new Cartesian4(-1.0, 0.0, 0.0, 1.0);
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expect(rightPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON4);
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});
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it("get frustum bottom plane", function () {
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var bottomPlane = planes[2];
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var expectedResult = new Cartesian4(0.0, 1.0, 0.0, 1.0);
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expect(bottomPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON4);
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});
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it("get frustum top plane", function () {
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var topPlane = planes[3];
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var expectedResult = new Cartesian4(0.0, -1.0, 0.0, 1.0);
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expect(topPlane).toEqual(expectedResult, CesiumMath.EPSILON4);
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});
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it("get frustum near plane", function () {
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var nearPlane = planes[4];
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var expectedResult = new Cartesian4(0.0, 0.0, -1.0, -1.0);
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expect(nearPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON4);
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});
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it("get frustum far plane", function () {
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var farPlane = planes[5];
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var expectedResult = new Cartesian4(0.0, 0.0, 1.0, 3.0);
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expect(farPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON4);
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});
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it("get orthographic projection matrix", function () {
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var projectionMatrix = frustum.projectionMatrix;
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frustum = frustum._offCenterFrustum;
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var expected = Matrix4.computeOrthographicOffCenter(
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frustum.left,
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frustum.right,
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frustum.bottom,
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frustum.top,
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frustum.near,
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frustum.far,
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new Matrix4()
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);
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expect(projectionMatrix).toEqualEpsilon(expected, CesiumMath.EPSILON6);
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});
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it("get pixel dimensions throws without canvas height", function () {
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expect(function () {
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return frustum.getPixelDimensions(
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1.0,
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undefined,
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0.0,
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1.0,
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new Cartesian2()
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);
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}).toThrowDeveloperError();
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});
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it("get pixel dimensions throws without canvas width", function () {
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expect(function () {
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return frustum.getPixelDimensions(
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undefined,
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1.0,
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0.0,
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1.0,
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new Cartesian2()
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);
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}).toThrowDeveloperError();
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});
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it("get pixel dimensions throws with canvas width less than or equal to zero", function () {
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expect(function () {
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return frustum.getPixelDimensions(0.0, 1.0, 0.0, 1.0, new Cartesian2());
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}).toThrowDeveloperError();
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});
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it("get pixel dimensions throws with canvas height less than or equal to zero", function () {
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expect(function () {
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return frustum.getPixelDimensions(1.0, 0.0, 0.0, 1.0, new Cartesian2());
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}).toThrowDeveloperError();
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});
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it("get pixel dimensions throws without pixel ratio", function () {
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expect(function () {
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return frustum.getPixelDimensions(
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1.0,
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1.0,
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0.0,
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undefined,
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new Cartesian2()
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);
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}).toThrowDeveloperError();
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});
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it("get pixel dimensions throws with pixel ratio less than or equal to zero", function () {
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expect(function () {
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return frustum.getPixelDimensions(1.0, 1.0, 0.0, 0.0, new Cartesian2());
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}).toThrowDeveloperError();
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});
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it("get pixel dimensions", function () {
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var dimensions = new Cartesian2(1.0, 1.0);
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var pixelRatio = 1.0;
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var distance = 1.0;
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var pixelSize = frustum.getPixelDimensions(
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dimensions.x,
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dimensions.y,
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distance,
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pixelRatio,
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new Cartesian2()
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);
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var expected = frustum._offCenterFrustum.getPixelDimensions(
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dimensions.x,
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dimensions.y,
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distance,
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pixelRatio,
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new Cartesian2()
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);
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expect(pixelSize.x).toEqual(expected.x);
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expect(pixelSize.y).toEqual(expected.y);
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});
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it("get pixel dimensions with pixel ratio", function () {
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var dimensions = new Cartesian2(1.0, 1.0);
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var pixelRatio = 2.0;
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var distance = 1.0;
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var pixelSize = frustum.getPixelDimensions(
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dimensions.x,
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dimensions.y,
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distance,
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pixelRatio,
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new Cartesian2()
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);
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var expected = frustum._offCenterFrustum.getPixelDimensions(
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dimensions.x,
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dimensions.y,
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distance,
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pixelRatio,
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new Cartesian2()
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);
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expect(pixelSize.x).toEqual(expected.x);
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expect(pixelSize.y).toEqual(expected.y);
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});
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it("equals", function () {
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var frustum2 = new OrthographicFrustum();
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frustum2.near = 1.0;
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frustum2.far = 3.0;
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frustum2.width = 2.0;
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frustum2.aspectRatio = 1.0;
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expect(frustum.equals(frustum2)).toEqual(true);
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});
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it("equals epsilon", function () {
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var frustum2 = new OrthographicFrustum();
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frustum2.near = 1.0;
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frustum2.far = 3.0;
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frustum2.width = 2.0;
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frustum2.aspectRatio = 1.0;
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expect(frustum.equalsEpsilon(frustum2, CesiumMath.EPSILON7)).toEqual(true);
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var frustum3 = new OrthographicFrustum();
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frustum3.near = 1.01;
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frustum3.far = 3.01;
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frustum3.width = 2.01;
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frustum3.aspectRatio = 1.01;
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expect(frustum.equalsEpsilon(frustum3, CesiumMath.EPSILON1)).toEqual(true);
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var frustum4 = new OrthographicFrustum();
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frustum4.near = 1.0;
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frustum4.far = 3.0;
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frustum4.width = 2.0;
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frustum4.aspectRatio = 1.1;
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expect(frustum.equalsEpsilon(frustum4, CesiumMath.EPSILON2)).toEqual(false);
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});
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it("equals undefined", function () {
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expect(frustum.equals()).toEqual(false);
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});
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it("throws with undefined frustum parameters", function () {
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var frustum = new OrthographicFrustum();
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expect(function () {
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return frustum.projectionMatrix;
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}).toThrowDeveloperError();
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});
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it("clone", function () {
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var frustum2 = frustum.clone();
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expect(frustum).toEqual(frustum2);
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});
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it("clone with result parameter", function () {
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var result = new OrthographicFrustum();
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var frustum2 = frustum.clone(result);
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expect(frustum2).toBe(result);
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expect(frustum).toEqual(frustum2);
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});
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createPackableSpecs(
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OrthographicFrustum,
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new OrthographicFrustum({
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width: 1.0,
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aspectRatio: 2.0,
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near: 3.0,
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far: 4.0,
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}),
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[1.0, 2.0, 3.0, 4.0]
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);
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});
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