public void CreateAnimatedCubeScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var mesh = new Cube <MaterialBuilder>(MaterialBuilder.CreateDefault())
.ToMesh(Matrix4x4.Identity);
var pivot = new NodeBuilder();
pivot.UseTranslation("track1")
.WithPoint(0, Vector3.Zero)
.WithPoint(1, Vector3.One);
pivot.UseRotation("track1")
.WithPoint(0, Quaternion.Identity)
.WithPoint(1, Quaternion.CreateFromAxisAngle(Vector3.UnitY, 1.5f));
pivot.UseScale("track1")
.WithPoint(0, Vector3.One)
.WithPoint(1, new Vector3(0.5f));
var scene = new SceneBuilder();
scene.AddMesh(mesh, pivot);
scene.AttachToCurrentTest("animated.glb");
scene.AttachToCurrentTest("animated.gltf");
}
public void CreateSceneWithMixedVertexFormats()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var scene = new SceneBuilder();
var mesh1 = new MeshBuilder <VertexPosition, VertexEmpty, VertexEmpty>();
var mesh2 = new MeshBuilder <VertexPositionNormal, VertexEmpty, VertexEmpty>();
mesh1.AddCube(MaterialBuilder.CreateDefault(), Matrix4x4.Identity);
mesh2.AddCube(MaterialBuilder.CreateDefault(), Matrix4x4.Identity);
scene.AddMesh(mesh1, Matrix4x4.CreateTranslation(-2, 0, 0));
scene.AddMesh(mesh2, Matrix4x4.CreateTranslation(2, 0, 0));
scene.AttachToCurrentTest("scene.glb");
}
public void CreateSceneWithRandomShapes()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var rnd = new Random(177);
// create materials
var materials = Enumerable
.Range(0, 10)
.Select(idx => new Materials.MaterialBuilder()
.WithChannelParam("BaseColor", new Vector4(rnd.NextVector3(), 1)))
.ToList();
// create scene
var scene = new SceneBuilder();
for (int i = 0; i < 100; ++i)
{
// create mesh
var mat = materials[rnd.Next(0, 10)];
var mesh = VPOSNRM.CreateCompatibleMesh("shape");
#if DEBUG
mesh.VertexPreprocessor.SetDebugPreprocessors();
#else
mesh.VertexPreprocessor.SetSanitizerPreprocessors();
#endif
if ((i & 1) == 0)
{
mesh.AddCube(mat, Matrix4x4.Identity);
}
else
{
mesh.AddSphere(mat, 0.5f, Matrix4x4.Identity);
}
mesh.Validate();
// create random transform
var r = rnd.NextVector3() * 5;
var xform = Matrix4x4.CreateFromYawPitchRoll(r.X, r.Y, r.Z) * Matrix4x4.CreateTranslation(rnd.NextVector3() * 25);
scene.AddMesh(mesh, xform);
}
// save the model as GLB
scene.AttachToCurrentTest("shapes.glb");
}
public void CreateCubeScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
var mesh = new Cube <MaterialBuilder>(MaterialBuilder.CreateDefault())
.ToMesh(Matrix4x4.Identity);
var scene = new SceneBuilder();
scene.AddMesh(mesh, Matrix4x4.Identity);
scene.AttachToCurrentTest("cube.glb");
}
public void TestCreateEmptyMesh()
{
// create a scenebuilder with an empty mesh
var sb = new SceneBuilder();
sb.AddMesh(VPOSNRM.CreateCompatibleMesh("Empty"), Matrix4x4.Identity);
var schema = sb.ToGltf2();
Assert.AreEqual(0, schema.LogicalMeshes.Count, "SceneBuilder should detect empty meshes and remove them.");
schema.CreateMesh("Empty2");
var fileName = TestContext.CurrentContext.GetAttachmentPath("empty.glb", true);
Assert.Throws <SharpGLTF.Validation.SchemaException>(() => schema.SaveGLB(fileName));
}
public void CreateQuadsScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
// this test checks that non convex quads are created correctly.
var mesh = new MeshBuilder <VertexPosition>();
var prim = mesh.UsePrimitive(MaterialBuilder.CreateDefault());
var idx = prim.AddQuadrangle(new VertexPosition(0, -1, 0), new VertexPosition(1, 0, 0), new VertexPosition(0, 1, 0), new VertexPosition(-1, 0, 0));
Assert.AreEqual((0, 1, 2, 3), idx);
idx = prim.AddQuadrangle(new VertexPosition(0, -1, 1), new VertexPosition(1, 0, 1), new VertexPosition(0, 1, 1), new VertexPosition(0.5f, 0, 1));
Assert.AreEqual((4, 5, 6, 7), idx);
idx = prim.AddQuadrangle(new VertexPosition(0, 0.5f, 2), new VertexPosition(1, 0, 2), new VertexPosition(0, 1, 2), new VertexPosition(-1, 0, 2));
Assert.AreEqual((8, 9, 10, 11), idx);
idx = prim.AddQuadrangle(new VertexPosition(1, 0, 3), new VertexPosition(0, 1, 3), new VertexPosition(0.5f, 0, 3), new VertexPosition(0, -1, 3));
Assert.AreEqual((12, 13, 14, 15), idx);
idx = prim.AddQuadrangle(new VertexPosition(1, 0, 4), new VertexPosition(1, 0, 4), new VertexPosition(0, 1, 4), new VertexPosition(-1, 0, 4));
Assert.AreEqual((-1, 16, 17, 18), idx);
idx = prim.AddQuadrangle(new VertexPosition(1, 0, 4), new VertexPosition(1, 0, 4), new VertexPosition(0, 1, 4), new VertexPosition(0, 1, 4));
Assert.AreEqual((-1, -1, -1, -1), idx);
idx = prim.AddQuadrangle(new VertexPosition(0, 0, 5), new VertexPosition(10, -1, 5), new VertexPosition(9, 0, 5), new VertexPosition(10, 1, 5));
Assert.AreEqual((19, 20, 21, 22), idx);
idx = prim.AddQuadrangle(new VertexPosition(10, -1, 6), new VertexPosition(9, 0, 6), new VertexPosition(10, 1, 6), new VertexPosition(0, 0, 6));
Assert.AreEqual((23, 24, 25, 26), idx);
var scene = new SceneBuilder();
scene.AddMesh(mesh, Matrix4x4.Identity);
scene.AttachToCurrentTest("cube.glb");
}
private static void _AddMeshInstances(SceneBuilder dstScene, IReadOnlyDictionary <Node, NodeBuilder> dstNodes, IReadOnlyList <Node> srcInstances)
{
var dstMeshes = srcInstances
.Select(item => item.Mesh)
.Distinct()
.ToDictionary(item => item, item => item.ToMeshBuilder());
foreach (var srcInstance in srcInstances)
{
var dstMesh = dstMeshes[srcInstance.Mesh];
if (srcInstance.Skin == null)
{
var dstNode = dstNodes[srcInstance];
var dstInst = dstScene.AddMesh(dstMesh, dstNode);
_CopyMorphingAnimation(dstInst, srcInstance);
}
else
{
var joints = new (NodeBuilder, Matrix4x4)[srcInstance.Skin.JointsCount];
