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);
}
}
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 CreateDoubleSkinnedScene()
{
TestContext.CurrentContext.AttachGltfValidatorLinks();
// create two materials
var pink = new MaterialBuilder("material1")
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(1, 0, 1, 1))
.WithDoubleSide(true);
var yellow = new MaterialBuilder("material2")
.WithChannelParam(KnownChannel.BaseColor, KnownProperty.RGBA, new Vector4(1, 1, 0, 1))
.WithDoubleSide(true);
// create the mesh
const int jointIdx0 = 0; // index of joint node 0
const int jointIdx1 = 1; // index of joint node 1
const int jointIdx2 = 2; // index of joint node 2
var v1 = new SKINNEDVERTEX4(new Vector3(-10, 0, +10), (jointIdx0, 1));
var v2 = new SKINNEDVERTEX4(new Vector3(+10, 0, +10), (jointIdx0, 1));
var v3 = new SKINNEDVERTEX4(new Vector3(+10, 0, -10), (jointIdx0, 1));
var v4 = new SKINNEDVERTEX4(new Vector3(-10, 0, -10), (jointIdx0, 1));
var v5 = new SKINNEDVERTEX4(new Vector3(-10, 40, +10), (jointIdx0, 0.5f), (jointIdx1, 0.5f));
var v6 = new SKINNEDVERTEX4(new Vector3(+10, 40, +10), (jointIdx0, 0.5f), (jointIdx1, 0.5f));
var v7 = new SKINNEDVERTEX4(new Vector3(+10, 40, -10), (jointIdx0, 0.5f), (jointIdx1, 0.5f));
var v8 = new SKINNEDVERTEX4(new Vector3(-10, 40, -10), (jointIdx0, 0.5f), (jointIdx1, 0.5f));
var v9 = new SKINNEDVERTEX4(new Vector3(-5, 80, +5), (jointIdx2, 1));
var v10 = new SKINNEDVERTEX4(new Vector3(+5, 80, +5), (jointIdx2, 1));
var v11 = new SKINNEDVERTEX4(new Vector3(+5, 80, -5), (jointIdx2, 1));
var v12 = new SKINNEDVERTEX4(new Vector3(-5, 80, -5), (jointIdx2, 1));
var mesh = SKINNEDVERTEX4.CreateCompatibleMesh("mesh1");
#if DEBUG
mesh.VertexPreprocessor.SetValidationPreprocessors();
#else
mesh.VertexPreprocessor.SetSanitizerPreprocessors();
#endif
mesh.UsePrimitive(pink).AddQuadrangle(v1, v2, v6, v5);
mesh.UsePrimitive(pink).AddQuadrangle(v2, v3, v7, v6);
mesh.UsePrimitive(pink).AddQuadrangle(v3, v4, v8, v7);
mesh.UsePrimitive(pink).AddQuadrangle(v4, v1, v5, v8);
mesh.UsePrimitive(yellow).AddQuadrangle(v5, v6, v10, v9);
mesh.UsePrimitive(yellow).AddQuadrangle(v6, v7, v11, v10);
mesh.UsePrimitive(yellow).AddQuadrangle(v7, v8, v12, v11);
mesh.UsePrimitive(yellow).AddQuadrangle(v8, v5, v9, v12);
mesh.Validate();
// create the skeleton armature 1 for the skinned mesh.
var armature1 = new NodeBuilder("Skeleton1");
var joint0 = armature1.CreateNode("Joint 0").WithLocalTranslation(new Vector3(0, 0, 0)); // jointIdx0
var joint1 = joint0.CreateNode("Joint 1").WithLocalTranslation(new Vector3(0, 40, 0)); // jointIdx1
var joint2 = joint1.CreateNode("Joint 2").WithLocalTranslation(new Vector3(0, 40, 0)); // jointIdx2
joint1.UseRotation("Base Track")
.WithPoint(1, Quaternion.Identity)
.WithPoint(2, Quaternion.CreateFromYawPitchRoll(0, 1, 0))
.WithPoint(3, Quaternion.CreateFromYawPitchRoll(0, 0, 1))
.WithPoint(4, Quaternion.Identity);
// create the skeleton armature 2 for the skinned mesh.
var armature2 = new NodeBuilder("Skeleton2").WithLocalTranslation(new Vector3(100, 0, 0));
var joint3 = armature2.CreateNode("Joint 3").WithLocalTranslation(new Vector3(0, 0, 0)); // jointIdx0
var joint4 = joint3.CreateNode("Joint 4").WithLocalTranslation(new Vector3(0, 40, 0)); // jointIdx1
var joint5 = joint4.CreateNode("Joint 5").WithLocalTranslation(new Vector3(0, 40, 0)); // jointIdx2
joint4.UseRotation("Base Track")
.WithPoint(1, Quaternion.Identity)
.WithPoint(2, Quaternion.CreateFromYawPitchRoll(0, 1, 0))
.WithPoint(3, Quaternion.CreateFromYawPitchRoll(0, 0, 1))
.WithPoint(4, Quaternion.Identity);
// create scene
var scene = new SceneBuilder();
scene.AddSkinnedMesh
(
mesh,
armature1.WorldMatrix,
joint0, // joint used for skinning joint index 0
joint1, // joint used for skinning joint index 1
joint2 // joint used for skinning joint index 2
);
scene.AddSkinnedMesh
(
mesh,
armature2.WorldMatrix,
joint3, // joint used for skinning joint index 0
joint4, // joint used for skinning joint index 1
joint5 // joint used for skinning joint index 2
);
scene.AttachToCurrentTest("skinned.glb");
scene.AttachToCurrentTest("skinned.gltf");
}
private NodeBuilder(NodeBuilder parent)
{
_Parent = parent;
}
public Node GetNode(NodeBuilder key)
{
return(key == null ? null : _Nodes.TryGetValue(key, out Node val) ? val : null);
}
internal FixedTransformer(Object content, NodeBuilder parentNode, Transforms.AffineTransform childTransform)
: base(content)
{
_ParentNode = parentNode;
_ChildTransform = childTransform;
}
public TransformChainBuilder(NodeBuilder parent, TRANSFORM child)
{
_ParentTransform = parent;
_ChildTransform = child;
}
public TransformChainBuilder(NodeBuilder node)
{
_ParentTransform = node;
_ChildTransform = null;
}