public void CreateAllAnimationTypesScene()
{
// 3D View 7.1908.9012.0 has an issue displaying off-center meshes with animated morph targets.
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create two materials
var pink = new MaterialBuilder("material1")
.WithChannelParam(KnownChannel.BaseColor, new Vector4(1, 0, 1, 1));
var yellow = new MaterialBuilder("material2")
.WithChannelParam(KnownChannel.BaseColor, new Vector4(1, 1, 0, 1));
var scene = new SceneBuilder();
var mesh1 = VPOSNRM.CreateCompatibleMesh("shape1");
mesh1.AddCube(MaterialBuilder.CreateDefault(), Matrix4x4.Identity);
var inst1 = scene.AddRigidMesh(mesh1, Matrix4x4.Identity);
var mesh2 = VPOSNRM.CreateCompatibleMesh("shape2");
mesh2.AddCube(pink, Matrix4x4.Identity);
var inst2 = scene.AddRigidMesh(mesh2, Matrix4x4.CreateTranslation(2, 0, 0));
scene.AttachToCurrentTest("static.glb");
scene.AttachToCurrentTest("static.gltf");
var morphBuilder = mesh2.UseMorphTarget(0);
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(0), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(1), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(2), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(3), (Vector3.UnitY, Vector3.Zero));
inst2.Content.UseMorphing().Value = Transforms.SparseWeight8.Create(1);
var curve = inst2.Content.UseMorphing().UseTrackBuilder("Default");
curve.SetPoint(0, Transforms.SparseWeight8.Create(0));
curve.SetPoint(1, Transforms.SparseWeight8.Create(1));
curve.SetPoint(2, Transforms.SparseWeight8.Create(0));
var gltf = scene.ToGltf2();
// Assert.AreEqual(1, gltf.LogicalMeshes[1].MorphWeights[0]);
scene.AttachToCurrentTest("mopth.glb");
scene.AttachToCurrentTest("mopth.gltf");
}
public void TestCreateEmptyMesh()
{
// create a scenebuilder with an empty mesh
var sb = new SceneBuilder();
sb.AddRigidMesh(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 = AttachmentInfo.From("empty.glb").File.FullName;
Assert.Throws <SharpGLTF.Validation.SchemaException>(() => schema.SaveGLB(fileName));
}
public void CreateAllAnimationTypesScene()
{
// 3D View 7.1908.9012.0 has an issue displaying off-center meshes with animated morph targets.
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create two materials
var pink = new MaterialBuilder("material1")
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(1, 0, 1, 1));
var yellow = new MaterialBuilder("material2")
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(1, 1, 0, 1));
var mesh1 = VPOSNRM.CreateCompatibleMesh("shape1");
mesh1.AddCube(pink, Matrix4x4.Identity);
var mesh2 = VPOSNRM.CreateCompatibleMesh("shape2");
mesh2.AddCube(yellow, Matrix4x4.Identity);
var scene = new SceneBuilder();
var inst1 = scene.AddRigidMesh(mesh1, Matrix4x4.Identity);
// meshes intended to support animation must be created using an armature
var armature = new NodeBuilder();
armature.LocalTransform = Matrix4x4.CreateTranslation(2, 0, 0);
var inst2 = scene.AddRigidMesh(mesh2, armature);
scene.AttachToCurrentTest("static.glb");
scene.AttachToCurrentTest("static.gltf");
// up to this point, the scene has two plain unanimated cubes.
var morphBuilder = mesh2.UseMorphTarget(0);
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(0), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(1), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(2), (Vector3.UnitY, Vector3.Zero));
morphBuilder.SetVertexDelta(morphBuilder.Positions.ElementAt(3), (Vector3.UnitY, Vector3.Zero));
// set default value.
inst2.Content.UseMorphing().SetValue(1);
// ser animation curve.
var curve = inst2.Content.UseMorphing().UseTrackBuilder("Default");
curve.SetPoint(0, true, 0);
curve.SetPoint(1, true, 1);
curve.SetPoint(2, true, 0);
var gltf = scene.ToGltf2();
TestContext.WriteLine(gltf.GetJsonPreview());
var meshIdx = 1;
Assert.AreEqual(1, gltf.LogicalMeshes[meshIdx].Primitives[0].MorphTargetsCount);
Assert.AreEqual(1, gltf.LogicalMeshes[meshIdx].MorphWeights[0]);
Assert.AreEqual(1, gltf.LogicalAnimations.Count);
scene.AttachToCurrentTest("mopth.glb");
scene.AttachToCurrentTest("mopth.gltf");
}
public void CreateSceneWithRandomShapes(bool useGpuInstancing)
{
TestContext.CurrentContext.AttachGltfValidatorLinks();
var rnd = new Random(177);
// create materials
var materials = Enumerable
.Range(0, 10)
.Select(idx => new MaterialBuilder()
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(rnd.NextVector3(), 1)))
.ToList();
// create meshes
var sphereMeshes = Enumerable
.Range(0, 10)
.Select(idx => materials[idx])
.Select(mat =>
{
var mesh = VPOSNRM.CreateCompatibleMesh("shape");
#if DEBUG
mesh.VertexPreprocessor.SetValidationPreprocessors();
#else
mesh.VertexPreprocessor.SetSanitizerPreprocessors();
#endif
mesh.AddSphere(mat, 0.5f, Matrix4x4.Identity);
mesh.Validate();
return(mesh);
});
var cubeMeshes = Enumerable
.Range(0, 10)
.Select(idx => materials[idx])
.Select(mat =>
{
var mesh = VPOSNRM.CreateCompatibleMesh("shape");
#if DEBUG
mesh.VertexPreprocessor.SetValidationPreprocessors();
#else
mesh.VertexPreprocessor.SetSanitizerPreprocessors();
#endif
mesh.AddCube(mat, Matrix4x4.Identity);
mesh.Validate();
return(mesh);
});
var meshes = sphereMeshes.Concat(cubeMeshes).ToArray();
// create scene
var scene = new SceneBuilder();
for (int i = 0; i < 100; ++i)
{
var mesh = meshes[rnd.Next(0, 20)];
// create random transform
var r = rnd.NextQuaternion();
var t = rnd.NextVector3() * 25;
scene.AddRigidMesh(mesh, (r, t));
}
// collapse to glTF
var gltf = scene.ToGltf2(useGpuInstancing ? SceneBuilderSchema2Settings.WithGpuInstancing : SceneBuilderSchema2Settings.Default);
var bounds = Runtime.MeshDecoder.EvaluateBoundingBox(gltf.DefaultScene);
// Assert.AreEqual(defaultBounds,instancedBounds);
// save the model as GLB
gltf.AttachToCurrentTest("shapes.glb");
scene.AttachToCurrentTest("shapes.plotly");
}
public static void AttachToCurrentTest(this Scenes.SceneBuilder scene, string fileName)
{
var model = scene.ToGltf2();
model.AttachToCurrentTest(fileName);
}
