418 lines
16 KiB
JavaScript
418 lines
16 KiB
JavaScript
var assert = require ('assert');
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var testUtils = require ('../utils/testutils.js');
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describe ('Model', function () {
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it ('Default Initialization', function () {
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var model = new OV.Model ();
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assert.strictEqual (model.MaterialCount (), 0);
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assert.strictEqual (model.MeshCount (), 0);
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});
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it ('Add Material', function () {
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var model = new OV.Model ();
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var material = new OV.PhongMaterial ();
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material.name = 'example';
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var index = model.AddMaterial (material);
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assert.strictEqual (model.MaterialCount (), 1);
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var theMaterial = model.GetMaterial (index);
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assert.strictEqual (theMaterial.name, 'example');
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});
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it ('Add Mesh', function () {
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var model = new OV.Model ();
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var mesh = new OV.Mesh ();
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mesh.SetName ('example');
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var index = model.AddMesh (mesh);
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assert.strictEqual (model.MeshCount (), 1);
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var theMesh = model.GetMesh (index);
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assert.strictEqual (theMesh.GetName (), 'example');
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});
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it ('Counters', function () {
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var model = new OV.Model ();
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let 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 (0.0, 0.0, 0.0));
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mesh.AddVertex (new OV.Coord3D (0.0, 0.0, 0.0));
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mesh.AddNormal (new OV.Coord3D (0.0, 0.0, 0.0));
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mesh.AddNormal (new OV.Coord3D (0.0, 0.0, 0.0));
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mesh.AddTextureUV (new OV.Coord2D (0.0, 0.0));
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mesh.AddTriangle (new OV.Triangle (0, 1, 2));
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mesh.AddTriangle (new OV.Triangle (0, 1, 2));
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mesh.AddTriangle (new OV.Triangle (0, 1, 2));
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mesh.AddTriangle (new OV.Triangle (0, 1, 2));
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model.AddMeshToRootNode (mesh);
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assert.strictEqual (model.VertexCount (), 3);
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assert.strictEqual (model.NormalCount (), 2);
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assert.strictEqual (model.TextureUVCount (), 1);
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assert.strictEqual (model.TriangleCount (), 4);
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});
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it ('Remove Mesh', function () {
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var model = new OV.Model ();
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let mesh1 = new OV.Mesh ();
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mesh1.AddVertex (new OV.Coord3D (0.0, 0.0, 0.0));
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mesh1.AddVertex (new OV.Coord3D (1.0, 0.0, 0.0));
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mesh1.AddVertex (new OV.Coord3D (1.0, 1.0, 0.0));
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mesh1.AddTriangle (new OV.Triangle (0, 1, 2));
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model.AddMeshToRootNode (mesh1);
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let mesh2 = new OV.Mesh ();
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mesh2.AddVertex (new OV.Coord3D (0.0, 0.0, 1.0));
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mesh2.AddVertex (new OV.Coord3D (1.0, 0.0, 1.0));
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mesh2.AddVertex (new OV.Coord3D (1.0, 1.0, 1.0));
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mesh2.AddTriangle (new OV.Triangle (0, 1, 2));
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model.AddMeshToRootNode (mesh2);
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assert.strictEqual (model.MeshCount (), 2);
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assert.strictEqual (model.VertexCount (), 6);
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assert.strictEqual (model.TriangleCount (), 2);
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model.RemoveMesh (0);
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assert.strictEqual (model.MeshCount (), 1);
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assert.strictEqual (model.VertexCount (), 3);
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assert.strictEqual (model.TriangleCount (), 1);
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model.RemoveMesh (0);
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assert.strictEqual (model.MeshCount (), 0);
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assert.strictEqual (model.VertexCount (), 0);
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assert.strictEqual (model.TriangleCount (), 0);
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});
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});
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describe ('Model Finalization', function () {
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it ('Calculate Normal', function () {
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var mesh = new OV.Mesh ();
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var v0 = mesh.AddVertex (new OV.Coord3D (0.0, 0.0, 0.0));
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var v1 = mesh.AddVertex (new OV.Coord3D (1.0, 0.0, 0.0));
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var v2 = mesh.AddVertex (new OV.Coord3D (1.0, 1.0, 0.0));
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var triangleIndex = mesh.AddTriangle (new OV.Triangle (v0, v1, v2));
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var model = new OV.Model ();
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var meshIndex = model.AddMesh (mesh);
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assert.strictEqual (model.MaterialCount (), 0);
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OV.FinalizeModel (model, function () { return new OV.PhongMaterial () });
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assert.strictEqual (model.MaterialCount (), 1);
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var theMesh = model.GetMesh (meshIndex);
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assert.strictEqual (theMesh.NormalCount (), 1);
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var triangle = theMesh.GetTriangle (triangleIndex);
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assert.strictEqual (triangle.n0, 0);
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assert.strictEqual (triangle.n1, 0);
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assert.strictEqual (triangle.n2, 0);
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assert.strictEqual (triangle.mat, 0);
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});
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it ('Calculate Curved Normal', function () {
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var mesh = new OV.Mesh ();
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var v0 = mesh.AddVertex (new OV.Coord3D (0.0, 0.0, 0.0));
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var v1 = mesh.AddVertex (new OV.Coord3D (1.0, 0.0, 0.0));
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var v2 = mesh.AddVertex (new OV.Coord3D (1.0, 1.0, 0.0));
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var v3 = mesh.AddVertex (new OV.Coord3D (0.0, 0.0, -1.0));
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var triangle1 = new OV.Triangle (v0, v1, v2);
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triangle1.curve = 1;
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var triangle2 = new OV.Triangle (v0, v3, v1);
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triangle2.curve = 1;
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var triangle1 = mesh.AddTriangle (triangle1);
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var triangle1 = mesh.AddTriangle (triangle2);
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var model = new OV.Model ()
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var meshIndex = model.AddMesh (mesh);
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OV.FinalizeModel (model, function () { return new OV.PhongMaterial () });
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var theMesh = model.GetMesh (meshIndex);
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assert.strictEqual (theMesh.NormalCount (), 6);
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var normal = theMesh.GetNormal (0);
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assert.strictEqual (normal.x, 0.0);
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assert.strictEqual (normal.y, -0.7071067811865475);
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assert.strictEqual (normal.z, 0.7071067811865475);
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});
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it ('Calculate Curved Normal 2', function () {
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var mesh = new OV.Mesh ();
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var v0 = mesh.AddVertex (new OV.Coord3D (0.0, 0.0, 0.0));
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var v1 = mesh.AddVertex (new OV.Coord3D (1.0, 0.0, 0.0));
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var v2 = mesh.AddVertex (new OV.Coord3D (1.0, 1.0, 0.0));
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var v3 = mesh.AddVertex (new OV.Coord3D (0.0, 0.0, -1.0));
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var v4 = mesh.AddVertex (new OV.Coord3D (0.0, 1.0, 0.0));
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var triangle1 = new OV.Triangle (v0, v1, v2);
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triangle1.curve = 1;
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var triangle2 = new OV.Triangle (v0, v2, v4);
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triangle2.curve = 1;
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var triangle3 = new OV.Triangle (v0, v3, v1);
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triangle3.curve = 1;
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mesh.AddTriangle (triangle1);
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mesh.AddTriangle (triangle2);
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mesh.AddTriangle (triangle3);
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var model = new OV.Model ()
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var meshIndex = model.AddMesh (mesh);
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OV.FinalizeModel (model, function () { return new OV.PhongMaterial () });
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var theMesh = model.GetMesh (meshIndex);
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assert.strictEqual (theMesh.NormalCount (), 9);
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var normal = theMesh.GetNormal (0);
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assert.strictEqual (normal.x, 0.0);
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assert.strictEqual (normal.y, -0.7071067811865475);
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assert.strictEqual (normal.z, 0.7071067811865475);
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});
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it ('Remove Empty Meshes and Nodes', function () {
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let mesh = new OV.Mesh ();
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let emptyMesh = new OV.Mesh ();
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let v0 = mesh.AddVertex (new OV.Coord3D (0.0, 0.0, 0.0));
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let v1 = mesh.AddVertex (new OV.Coord3D (1.0, 0.0, 0.0));
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let v2 = mesh.AddVertex (new OV.Coord3D (1.0, 1.0, 0.0));
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mesh.AddTriangle (new OV.Triangle (v0, v1, v2));
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let model = new OV.Model ()
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let meshIndex = model.AddMesh (mesh);
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let emptyMeshIndex = model.AddMesh (emptyMesh);
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let rootNode = model.GetRootNode ();
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let node1 = new OV.Node ();
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rootNode.AddChildNode (node1);
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node1.AddMeshIndex (meshIndex);
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node1.AddMeshIndex (emptyMeshIndex);
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let node2 = new OV.Node ();
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rootNode.AddChildNode (node2);
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let node3 = new OV.Node ();
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rootNode.AddChildNode (node3);
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node3.AddMeshIndex (meshIndex);
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node3.AddMeshIndex (emptyMeshIndex);
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OV.FinalizeModel (model, function () { return new OV.PhongMaterial () });
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assert.strictEqual (model.MeshCount (), 1);
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let meshInstances = [];
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model.EnumerateMeshInstances ((meshInstance) => {
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meshInstances.push (meshInstance);
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});
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assert.strictEqual (meshInstances.length, 2);
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let nodeCount = 0;
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rootNode.Enumerate ((node) => {
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nodeCount += 1;
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});
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assert.strictEqual (nodeCount, 3);
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});
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it ('Remove Empty Nodes Recursively', function () {
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let model = testUtils.GetHierarchicalModelNoFinalization ();
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OV.FinalizeModel (model, function () { return new OV.PhongMaterial () });
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assert.strictEqual (model.MeshCount (), 0);
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assert.strictEqual (model.MeshInstanceCount (), 0);
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assert (model.GetRootNode ().IsEmpty ());
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});
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});
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describe ('Color Conversion', function () {
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it ('Color equality check', function () {
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assert (OV.ColorIsEqual (new OV.Color (10, 20, 30), new OV.Color (10, 20, 30)));
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assert (!OV.ColorIsEqual (new OV.Color (10, 20, 30), new OV.Color (11, 20, 30)));
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assert (!OV.ColorIsEqual (new OV.Color (10, 20, 30), new OV.Color (10, 21, 30)));
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assert (!OV.ColorIsEqual (new OV.Color (10, 20, 30), new OV.Color (10, 20, 31)));
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});
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it ('Color hex string conversion', function () {
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let color = new OV.Color (10, 20, 30);
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let hexString = '0a141e';
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assert.strictEqual (OV.ColorToHexString (color), hexString);
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assert.deepStrictEqual (OV.HexStringToColor (hexString), color);
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});
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});
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describe ('Node Hierarchy', function () {
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it ('Enumerate hierarchy', function () {
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let model = testUtils.GetHierarchicalModelNoFinalization ();
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let modelTree = testUtils.ModelNodesToTree (model);
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assert.deepStrictEqual (modelTree, {
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name : '<Root>',
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childNodes : [
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{
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name : 'Node 1',
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childNodes : [
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{
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name : 'Node 3',
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childNodes : [],
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meshNames : ['Mesh 5', 'Mesh 6', 'Mesh 7']
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},
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{
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name : 'Node 4',
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childNodes : [],
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meshNames : ['Mesh 7']
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}
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],
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meshNames : ['Mesh 3', 'Mesh 4']
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},
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{
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name : 'Node 2',
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childNodes : [],
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meshNames : []
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}
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],
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meshNames : ['Mesh 1', 'Mesh 2']
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});
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});
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it ('Remove mesh', function () {
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let model = testUtils.GetHierarchicalModelNoFinalization ();
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model.RemoveMesh (2);
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let modelTree = testUtils.ModelNodesToTree (model);
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assert.deepStrictEqual (modelTree, {
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name : '<Root>',
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childNodes : [
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{
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name : 'Node 1',
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childNodes : [
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{
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name : 'Node 3',
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childNodes : [],
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meshNames : ['Mesh 5', 'Mesh 6', 'Mesh 7']
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},
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{
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name : 'Node 4',
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childNodes : [],
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meshNames : ['Mesh 7']
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}
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],
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meshNames : ['Mesh 4']
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},
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{
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name : 'Node 2',
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childNodes : [],
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meshNames : []
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}
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],
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meshNames : ['Mesh 1', 'Mesh 2']
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});
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});
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it ('Enumerate mesh instances', function () {
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let model = testUtils.GetTranslatedRotatedCubesModel ();
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let modelTree = testUtils.ModelNodesToTree (model);
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assert.deepStrictEqual (modelTree, {
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name : '<Root>',
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childNodes : [
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{
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name : 'Translated',
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childNodes : [],
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meshNames : ['Cube']
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},
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{
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name : 'Rotated',
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childNodes : [
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{
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name : 'Translated and Rotated',
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childNodes : [],
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meshNames : ['Cube']
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}
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],
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meshNames : []
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}
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],
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meshNames : ['Cube']
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});
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let meshInstances = [];
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model.EnumerateMeshInstances ((meshInstance) => {
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meshInstances.push (meshInstance);
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});
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assert.strictEqual (meshInstances.length, 3);
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let boundingBox1 = OV.GetBoundingBox (meshInstances[0]);
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let boundingBox2 = OV.GetBoundingBox (meshInstances[1]);
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let boundingBox3 = OV.GetBoundingBox (meshInstances[2]);
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assert (OV.CoordIsEqual3D (boundingBox1.min, new OV.Coord3D (0.0, 0.0, 0.0)));
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assert (OV.CoordIsEqual3D (boundingBox1.max, new OV.Coord3D (1.0, 1.0, 1.0)));
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assert (OV.CoordIsEqual3D (boundingBox2.min, new OV.Coord3D (2.0, 0.0, 0.0)));
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assert (OV.CoordIsEqual3D (boundingBox2.max, new OV.Coord3D (3.0, 1.0, 1.0)));
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assert (OV.CoordIsEqual3D (boundingBox3.min, new OV.Coord3D (-1.0, 2.0, 0.0)));
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assert (OV.CoordIsEqual3D (boundingBox3.max, new OV.Coord3D (0.0, 3.0, 1.0)));
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});
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it ('Enumerate transformed mesh instances', function () {
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let model = testUtils.GetTranslatedRotatedCubesModel ();
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let modelTree = testUtils.ModelNodesToTree (model);
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assert.deepStrictEqual (modelTree, {
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name : '<Root>',
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childNodes : [
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{
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name : 'Translated',
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childNodes : [],
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meshNames : ['Cube']
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},
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{
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name : 'Rotated',
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childNodes : [
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{
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name : 'Translated and Rotated',
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childNodes : [],
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meshNames : ['Cube']
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}
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],
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meshNames : []
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}
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],
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meshNames : ['Cube']
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});
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let meshes = [];
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model.EnumerateTransformedMeshes ((mesh) => {
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meshes.push (mesh);
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});
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assert.strictEqual (meshes.length, 3);
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let boundingBox1 = OV.GetBoundingBox (meshes[0]);
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let boundingBox2 = OV.GetBoundingBox (meshes[1]);
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let boundingBox3 = OV.GetBoundingBox (meshes[2]);
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assert (OV.CoordIsEqual3D (boundingBox1.min, new OV.Coord3D (0.0, 0.0, 0.0)));
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assert (OV.CoordIsEqual3D (boundingBox1.max, new OV.Coord3D (1.0, 1.0, 1.0)));
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assert (OV.CoordIsEqual3D (boundingBox2.min, new OV.Coord3D (2.0, 0.0, 0.0)));
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assert (OV.CoordIsEqual3D (boundingBox2.max, new OV.Coord3D (3.0, 1.0, 1.0)));
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assert (OV.CoordIsEqual3D (boundingBox3.min, new OV.Coord3D (-1.0, 2.0, 0.0)));
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assert (OV.CoordIsEqual3D (boundingBox3.max, new OV.Coord3D (0.0, 3.0, 1.0)));
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});
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it ('Instance counters', function () {
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let model = testUtils.GetTranslatedRotatedCubesModel ();
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OV.FinalizeModel (model, function () { return new OV.PhongMaterial () });
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assert.strictEqual (model.MeshCount (), 1);
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assert.strictEqual (model.MeshInstanceCount (), 3);
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assert.strictEqual (model.VertexCount (), 8 * 3);
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assert.strictEqual (model.NormalCount (), 12 * 3);
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assert.strictEqual (model.TextureUVCount (), 0);
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assert.strictEqual (model.TriangleCount (), 12 * 3);
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});
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it ('Instance enumeration', function () {
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let model = testUtils.GetTranslatedRotatedCubesModel ();
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let meshInstances = [];
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model.EnumerateMeshInstances ((meshInstance) => {
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meshInstances.push (meshInstance);
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});
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assert (meshInstances[0].GetId ().IsEqual (new OV.MeshInstanceId (0, 0)));
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assert (meshInstances[1].GetId ().IsEqual (new OV.MeshInstanceId (1, 0)));
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assert (meshInstances[2].GetId ().IsEqual (new OV.MeshInstanceId (3, 0)));
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});
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});
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