protected override FbxQuaternion GetConvertedQuaternionRotation(float seconds, Quaternion restRotation)
{
var eulerRest = restRotation.eulerAngles;
AnimationCurve x = GetCurves()[0], y = GetCurves()[1], z = GetCurves()[2];
// The final animation, including the effect of pre-rotation.
// If we have no curve, assume the node has the correct rotation right now.
// We need to evaluate since we might only have keys in one of the axes.
var unityFinalAnimation = new Vector3(
(x == null) ? eulerRest [0] : x.Evaluate(seconds),
(y == null) ? eulerRest [1] : y.Evaluate(seconds),
(z == null) ? eulerRest [2] : z.Evaluate(seconds)
);
// convert the final animation to righthanded coords
return(ModelExporter.EulerToQuaternionZXY(unityFinalAnimation));
}
public void TestBasics()
{
Assert.That(!string.IsNullOrEmpty(ModelExporter.GetVersionFromReadme()));
// Test GetOrCreateLayer
using (var fbxManager = FbxManager.Create()) {
var fbxMesh = FbxMesh.Create(fbxManager, "name");
var layer0 = ModelExporter.GetOrCreateLayer(fbxMesh);
Assert.That(layer0, Is.Not.Null);
Assert.That(ModelExporter.GetOrCreateLayer(fbxMesh), Is.EqualTo(layer0));
var layer5 = ModelExporter.GetOrCreateLayer(fbxMesh, layer: 5);
Assert.That(layer5, Is.Not.Null);
Assert.That(layer5, Is.Not.EqualTo(layer0));
}
// Test axis conversion: a x b in left-handed is the same as b x a
// in right-handed (that's why we need to flip the winding order).
var a = new Vector3(1, 0, 0);
var b = new Vector3(0, 0, 1);
var crossLeft = Vector3.Cross(a, b);
Assert.That(ModelExporter.DefaultMaterial);
// Test non-static functions.
using (var fbxManager = FbxManager.Create()) {
var fbxScene = FbxScene.Create(fbxManager, "scene");
var fbxNode = FbxNode.Create(fbxScene, "node");
var exporter = new ModelExporter();
// Test ExportMaterial: it exports and it re-exports
bool result = exporter.ExportMaterial(ModelExporter.DefaultMaterial, fbxScene, fbxNode);
Assert.IsTrue(result);
var fbxMaterial = fbxNode.GetMaterial(0);
Assert.That(fbxMaterial, Is.Not.Null);
result = exporter.ExportMaterial(ModelExporter.DefaultMaterial, fbxScene, fbxNode);
var fbxMaterial2 = fbxNode.GetMaterial(1);
Assert.AreEqual(fbxMaterial, fbxMaterial2);
// Test ExportTexture: it finds the same texture for the default-material (it doesn't create a new one)
var fbxMaterialNew = FbxSurfaceLambert.Create(fbxScene, "lambert");
exporter.ExportTexture(ModelExporter.DefaultMaterial, "_MainTex",
fbxMaterialNew, FbxSurfaceLambert.sBump);
Assert.AreEqual(
fbxMaterial.FindProperty(FbxSurfaceLambert.sDiffuse).GetSrcObject(),
fbxMaterialNew.FindProperty(FbxSurfaceLambert.sBump).GetSrcObject()
);
// Test ExportMesh: make sure we exported a mesh with welded vertices.
var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
var cubeNode = FbxNode.Create(fbxScene, "cube");
exporter.ExportMesh(cube.GetComponent <MeshFilter>().sharedMesh, cubeNode);
Assert.That(cubeNode.GetMesh(), Is.Not.Null);
Assert.That(cubeNode.GetMesh().GetControlPointsCount(), Is.EqualTo(8));
}
// Test exporting a skinned-mesh. Make sure it doesn't leak (it did at one point)
{
var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
var character = new GameObject();
var smr = character.AddComponent <SkinnedMeshRenderer>();
smr.sharedMesh = cube.GetComponent <MeshFilter>().sharedMesh;
var meshCount = Object.FindObjectsOfType <Mesh>().Length;
ModelExporter.ExportObject(GetRandomFbxFilePath(), character);
Assert.AreEqual(meshCount, Object.FindObjectsOfType <Mesh>().Length);
}
// Test euler to quaternion conversion
{
// EulerToQuaternionZXY
var v = new Vector3(50, 45, 190);
var quat = ModelExporter.EulerToQuaternionZXY(v);
var unityQuat = Quaternion.Euler(v);
Assert.That((float)quat.X, Is.EqualTo(unityQuat.x));
Assert.That((float)quat.Y, Is.EqualTo(unityQuat.y));
Assert.That((float)quat.Z, Is.EqualTo(unityQuat.z));
Assert.That((float)quat.W, Is.EqualTo(unityQuat.w));
// EulerToQuaternionXYZ
var fbxV = new FbxVector4(v.x, v.y, v.z);
var xyzQuat = ModelExporter.EulerToQuaternionXYZ(fbxV);
// get the vector from the quaternion
FbxAMatrix m = new FbxAMatrix();
m.SetR(fbxV);
var actualQuat = m.GetQ();
// since this quaternion is XYZ instead of ZXY, it should not match the quaternion
// created with EulerToQuaternionZXY
Assert.That(xyzQuat, Is.Not.EqualTo(quat));
Assert.That(xyzQuat, Is.EqualTo(actualQuat));
}
}
