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