98 lines
4.8 KiB
JavaScript
98 lines
4.8 KiB
JavaScript
var assert = require ('assert');
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var testUtils = require ('../utils/testutils.js');
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describe ('Quantities', function () {
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it ('Cube Volume Calculation', function () {
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const mesh = OV.GenerateCuboid (null, 1.0, 1.0, 1.0);
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const model = testUtils.GetModelWithOneMesh (mesh);
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assert (OV.IsEqual (OV.CalculateVolume (mesh), 1.0));
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assert (OV.IsEqual (OV.CalculateVolume (model), 1.0));
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});
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it ('Cube with Missing Face Volume Calculation', function () {
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const mesh = testUtils.GetCubeWithOneMissingFaceMesh ();
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const model = testUtils.GetModelWithOneMesh (mesh);
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assert.strictEqual (OV.CalculateVolume (model), null);
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});
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it ('Two Cubes Connecting in One Vertex Volume Calculation', function () {
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const model = testUtils.GetTwoCubesConnectingInOneVertexModel ();
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assert (OV.IsEqual (OV.CalculateVolume (model), 2.0));
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});
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it ('Two Cubes Connecting in One Edge Volume Calculation', function () {
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const model = testUtils.GetTwoCubesConnectingInOneEdgeModel ();
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assert (OV.IsEqual (OV.CalculateVolume (model), 2.0));
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});
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it ('Two Cubes Connecting in One Face Volume Calculation', function () {
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const model = testUtils.GetTwoCubesConnectingInOneFaceModel ();
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assert (OV.IsEqual (OV.CalculateVolume (model), 2.0));
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});
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it ('Cube with Wrongly Oriented Triangle Volume Calculation', function () {
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var mesh = new OV.Mesh ();
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mesh.AddVertex (new OV.Coord3D (0.0, 0.0, 0.0));
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mesh.AddVertex (new OV.Coord3D (1.0, 0.0, 0.0));
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mesh.AddVertex (new OV.Coord3D (1.0, 1.0, 0.0));
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mesh.AddVertex (new OV.Coord3D (0.0, 1.0, 0.0));
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mesh.AddVertex (new OV.Coord3D (0.0, 0.0, 1.0));
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mesh.AddVertex (new OV.Coord3D (1.0, 0.0, 1.0));
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mesh.AddVertex (new OV.Coord3D (1.0, 1.0, 1.0));
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mesh.AddVertex (new OV.Coord3D (0.0, 1.0, 1.0));
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mesh.AddTriangle (new OV.Triangle (0, 1, 5));
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mesh.AddTriangle (new OV.Triangle (0, 5, 4));
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mesh.AddTriangle (new OV.Triangle (1, 2, 6));
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mesh.AddTriangle (new OV.Triangle (1, 6, 5));
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mesh.AddTriangle (new OV.Triangle (2, 3, 7));
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mesh.AddTriangle (new OV.Triangle (2, 7, 6));
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mesh.AddTriangle (new OV.Triangle (3, 0, 4));
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mesh.AddTriangle (new OV.Triangle (3, 4, 7));
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mesh.AddTriangle (new OV.Triangle (0, 3, 2));
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mesh.AddTriangle (new OV.Triangle (0, 2, 1));
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mesh.AddTriangle (new OV.Triangle (4, 5, 6));
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mesh.AddTriangle (new OV.Triangle (4, 7, 6));
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const model = testUtils.GetModelWithOneMesh (mesh);
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assert.strictEqual (OV.CalculateVolume (mesh), null);
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assert.strictEqual (OV.CalculateVolume (model), null);
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});
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it ('Cube Surface Area Calculation', function () {
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const mesh = OV.GenerateCuboid (null, 1.0, 1.0, 1.0);
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const model = testUtils.GetModelWithOneMesh (mesh);
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assert (OV.IsEqual (OV.CalculateSurfaceArea (mesh), 6.0));
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assert (OV.IsEqual (OV.CalculateSurfaceArea (model), 6.0));
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});
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it ('Cube with Missing Face Surface Area Calculation', function () {
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const mesh = testUtils.GetCubeWithOneMissingFaceMesh ();
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const model = testUtils.GetModelWithOneMesh (mesh);
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assert (OV.IsEqual (OV.CalculateSurfaceArea (mesh), 5.0));
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assert (OV.IsEqual (OV.CalculateSurfaceArea (model), 5.0));
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});
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it ('Tetrahedron Volume Calculation', function () {
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const edgeLength = OV.CoordDistance3D (new OV.Coord3D (1.0, 1.0, 1.0), new OV.Coord3D (-1.0, -1.0, 1.0));
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const mesh = testUtils.GetTetrahedronMesh ();
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const model = testUtils.GetModelWithOneMesh (mesh);
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assert (OV.IsEqual (OV.CalculateVolume (mesh), Math.pow (edgeLength, 3.0) / (6.0 * Math.sqrt (2))));
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assert (OV.IsEqual (OV.CalculateVolume (model), Math.pow (edgeLength, 3.0) / (6.0 * Math.sqrt (2))));
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});
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it ('Tetrahedron Surface Area Calculation', function () {
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const edgeLength = OV.CoordDistance3D (new OV.Coord3D (1.0, 1.0, 1.0), new OV.Coord3D (-1.0, -1.0, 1.0));
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const mesh = testUtils.GetTetrahedronMesh ();
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const model = testUtils.GetModelWithOneMesh (mesh);
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assert (OV.IsEqual (OV.CalculateSurfaceArea (mesh), Math.sqrt (3) * Math.pow (edgeLength, 2.0)));
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assert (OV.IsEqual (OV.CalculateSurfaceArea (model), Math.sqrt (3) * Math.pow (edgeLength, 2.0)));
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});
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it ('Cube Scaled Volume and Area Calculation', function () {
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const mesh = OV.GenerateCuboid (null, 1.0, 1.0, 1.0);
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const transformation = new OV.Transformation (new OV.Matrix ().CreateScale (2.0, 2.0, 2.0));
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const meshInstance = new OV.MeshInstance (mesh, transformation);
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assert (OV.IsEqual (OV.CalculateVolume (meshInstance), 8.0));
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assert (OV.IsEqual (OV.CalculateSurfaceArea (meshInstance), 24.0));
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});
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});
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