public void CreateSharedNodeInstanceScene()
{
// SceneBuilder API supports reusing a NodeBuilder in multiple instances with different content.
// but glTF nodes can only hold one mesh per node, so if we find this case we need to internally
// add an additional child node to give room to the the extra mesh.
TestContext.CurrentContext.AttachGltfValidatorLinks();
var m = MaterialBuilder.CreateDefault();
var cube = new Cube <MaterialBuilder>(m, 1.7f, 1.7f, 1.7f).ToMesh(Matrix4x4.Identity);
var sphere = new IcoSphere <MaterialBuilder>(m).ToMesh(Matrix4x4.Identity);
var armature1 = new NodeBuilder("Skeleton1");
var joint0 = armature1
.CreateNode("Joint 0")
.WithLocalTranslation(new Vector3(0, 1, 0));
var scene = new SceneBuilder();
scene.AddRigidMesh(cube, joint0);
scene.AddRigidMesh(sphere, joint0);
scene.AttachToCurrentTest("instanced.glb");
scene.AttachToCurrentTest("instanced.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");
}