internal static void _AddCameraTo(CameraTransform3D?_Camera, GLTFWriteSettings?settings, SharpGLTF.Scenes.SceneBuilder scene)
{
if (!_Camera.HasValue)
{
return;
}
var vcam = _Camera.Value;
var camNode = new SharpGLTF.Scenes.NodeBuilder("CameraNode");
camNode.WorldMatrix = vcam.WorldMatrix;
var cam = vcam;
cam.WorldMatrix = Matrix4x4.Identity;
vcam = cam;
if (vcam.TryGetPerspectiveFieldOfView(out var vfov))
{
var persp = new SharpGLTF.Scenes.CameraBuilder.Perspective(null, vfov, 0.1f);
scene.AddCamera(persp, camNode);
}
else if (vcam.TryGetOrthographicScale(out var oscale))
{
var ortho = new SharpGLTF.Scenes.CameraBuilder.Orthographic(oscale, oscale, 0.1f, 1000);
scene.AddCamera(ortho, camNode);
}
if ((settings?.CameraSize ?? 0) > 0)
{
var camMesh = new GltfMeshScene3D();
vcam.DrawCameraTo(camMesh, settings.Value.CameraSize.Value);
vcam.DrawFustrumTo(camMesh, settings.Value.CameraSize.Value * 0.05f, System.Drawing.Color.Yellow);
scene.AddRigidMesh(camMesh.Mesh, camNode);
}
if (Matrix4x4.Invert(_Camera.Value.AxisMatrix, out var invMatrix))
{
// scene.ApplyBasisTransform(invMatrix);
}
}
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.AddRigidMesh(dstMesh, dstNode);
_CopyMorphingAnimation(dstInst, srcInstance);
}
else
{
var joints = new (NodeBuilder, Matrix4x4)[srcInstance.Skin.JointsCount];
public void CreateNonConvexQuadsScene()
{
TestContext.CurrentContext.AttachShowDirLink();
TestContext.CurrentContext.AttachGltfValidatorLinks();
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.AddRigidMesh(mesh, Matrix4x4.Identity);
scene.AttachToCurrentTest("NonConvexQuads.glb");
scene.AttachToCurrentTest("NonConvexQuads.gltf");
}
public void CreateCubeSceneWithExtras()
{
TestContext.CurrentContext.AttachGltfValidatorLinks();
var material = MaterialBuilder.CreateDefault();
material.Name = "hello name";
material.Extras = IO.JsonContent.Serialize(new KeyValuePair <string, int>("hello", 16));
var mesh = new Cube <MaterialBuilder>(material).ToMesh(Matrix4x4.Identity);
mesh.Name = "world name";
mesh.Extras = "world extras";
var scene = new SceneBuilder();
scene.AddRigidMesh(mesh, Matrix4x4.Identity)
.WithName("Cube")
.WithExtras(17);
scene.AttachToCurrentTest("cube.glb");
scene.AttachToCurrentTest("cube.gltf");
scene.AttachToCurrentTest("cube.plotly");
}
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");
}