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 { PerspectiveOffCenterFrustum } from "../../Source/Cesium.js";
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describe("Core/PerspectiveOffCenterFrustum", function () {
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var frustum, planes;
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beforeEach(function () {
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frustum = new PerspectiveOffCenterFrustum();
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frustum.right = 1.0;
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frustum.left = -frustum.right;
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frustum.top = 1.0;
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frustum.bottom = -frustum.top;
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frustum.near = 1.0;
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frustum.far = 2.0;
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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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left: -1.0,
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right: 2.0,
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top: 5.0,
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bottom: -1.0,
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near: 3.0,
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far: 4.0,
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};
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var f = new PerspectiveOffCenterFrustum(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 PerspectiveOffCenterFrustum();
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expect(f.left).toBeUndefined();
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expect(f.right).toBeUndefined();
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expect(f.top).toBeUndefined();
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expect(f.bottom).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("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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});
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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 x = 1.0 / Math.sqrt(2.0);
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var expectedResult = new Cartesian4(x, 0.0, -x, 0.0);
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expect(leftPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON15);
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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 x = 1.0 / Math.sqrt(2.0);
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var expectedResult = new Cartesian4(-x, 0.0, -x, 0.0);
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expect(rightPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON15);
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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 x = 1.0 / Math.sqrt(2.0);
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var expectedResult = new Cartesian4(0.0, x, -x, 0.0);
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expect(bottomPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON15);
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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 x = 1.0 / Math.sqrt(2.0);
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var expectedResult = new Cartesian4(0.0, -x, -x, 0.0);
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expect(topPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON15);
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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.EPSILON15);
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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, 2.0);
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expect(farPlane).toEqualEpsilon(expectedResult, CesiumMath.EPSILON15);
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});
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it("get perspective projection matrix", function () {
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var projectionMatrix = frustum.projectionMatrix;
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var top = frustum.top;
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var bottom = frustum.bottom;
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var right = frustum.right;
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var left = frustum.left;
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var near = frustum.near;
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var far = frustum.far;
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var expected = Matrix4.computePerspectiveOffCenter(
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left,
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right,
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bottom,
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top,
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near,
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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 infinite perspective matrix", function () {
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var top = frustum.top;
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var bottom = frustum.bottom;
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var right = frustum.right;
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var left = frustum.left;
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var near = frustum.near;
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var expected = Matrix4.computeInfinitePerspectiveOffCenter(
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left,
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right,
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bottom,
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top,
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near,
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new Matrix4()
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);
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expect(expected).toEqual(frustum.infiniteProjectionMatrix);
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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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1.0,
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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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1.0,
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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, 1.0, 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, 1.0, 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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1.0,
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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, 1.0, 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 pixelSize = frustum.getPixelDimensions(
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1.0,
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1.0,
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1.0,
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1.0,
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new Cartesian2()
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);
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expect(pixelSize.x).toEqual(2.0);
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expect(pixelSize.y).toEqual(2.0);
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});
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it("get pixel dimensions with pixel ratio", function () {
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var pixelSize = frustum.getPixelDimensions(
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1.0,
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1.0,
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1.0,
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2.0,
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new Cartesian2()
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);
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expect(pixelSize.x).toEqual(4.0);
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expect(pixelSize.y).toEqual(4.0);
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});
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it("equals", function () {
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var frustum2 = new PerspectiveOffCenterFrustum();
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frustum2.right = 1.0;
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frustum2.left = -frustum.right;
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frustum2.top = 1.0;
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frustum2.bottom = -frustum.top;
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frustum2.near = 1.0;
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frustum2.far = 2.0;
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frustum2.position = new Cartesian3();
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frustum2.direction = Cartesian3.negate(Cartesian3.UNIT_Z, new Cartesian3());
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frustum2.up = Cartesian3.UNIT_Y;
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expect(frustum).toEqual(frustum2);
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});
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it("equals epsilon", function () {
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var frustum2 = new PerspectiveOffCenterFrustum();
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frustum2.right = 1.0;
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frustum2.left = -frustum.right;
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frustum2.top = 1.0;
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frustum2.bottom = -frustum.top;
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frustum2.near = 1.0;
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frustum2.far = 2.0;
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expect(frustum.equalsEpsilon(frustum2, CesiumMath.EPSILON7)).toEqual(true);
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var frustum3 = new PerspectiveOffCenterFrustum();
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frustum3.right = 1.01;
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frustum3.left = -frustum.right;
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frustum3.top = 1.01;
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frustum3.bottom = -frustum.top;
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frustum3.near = 1.01;
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frustum3.far = 1.99;
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expect(frustum.equalsEpsilon(frustum3, CesiumMath.EPSILON1)).toEqual(true);
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var frustum4 = new PerspectiveOffCenterFrustum();
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frustum4.right = 1.1;
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frustum4.left = -frustum.right;
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frustum4.top = 1.0;
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frustum4.bottom = -frustum.top;
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frustum4.near = 1.0;
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frustum4.far = 2.0;
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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 PerspectiveOffCenterFrustum();
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expect(function () {
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return frustum.infiniteProjectionMatrix;
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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 PerspectiveOffCenterFrustum();
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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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});
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