/// <summary>
/// Copyies the current sample values to the given camera.
/// </summary>
public void CopyToCamera(UnityEngine.Camera camera, bool setTransform)
{
// GfCamera is a gold mine of camera math.
pxr.GfCamera c = new pxr.GfCamera(UnityTypeConverter.ToGfMatrix(transform),
projection == ProjectionType.Perspective ? pxr.GfCamera.Projection.Perspective
: pxr.GfCamera.Projection.Orthographic,
this.horizontalAperture,
this.verticalAperture,
this.horizontalApertureOffset,
this.verticalApertureOffset,
this.focalLength);
camera.orthographic = c.GetProjection() == pxr.GfCamera.Projection.Orthographic;
camera.fieldOfView = c.GetFieldOfView(pxr.GfCamera.FOVDirection.FOVVertical);
camera.aspect = c.GetAspectRatio();
camera.nearClipPlane = clippingRange.x;
camera.farClipPlane = clippingRange.y;
if (camera.orthographic)
{
// Note that USD default scale is cm and aperture is in mm.
// Also Unity ortho size is the half aperture, so divide USD by 2.
camera.orthographicSize = (verticalAperture / 10.0f) / 2.0f;
}
if (setTransform)
{
var tr = camera.transform;
var xf = transform;
UnityTypeConverter.SetTransform(xf, tr);
}
}
/// <summary>
/// Copyies the current sample values to the given camera.
/// </summary>
public void CopyToCamera(UnityEngine.Camera camera)
{
// GfCamera is a gold mine of camera math.
pxr.GfCamera c = new pxr.GfCamera(UnityTypeConverter.ToGfMatrix(transform));
camera.orthographic = c.GetProjection() == pxr.GfCamera.Projection.Orthographic;
camera.fieldOfView = c.GetFieldOfView(pxr.GfCamera.FOVDirection.FOVVertical);
camera.aspect = c.GetAspectRatio();
camera.nearClipPlane = c.GetClippingRange().GetMin();
camera.farClipPlane = c.GetClippingRange().GetMax();
var tr = camera.transform;
var xf = transform;
UnityTypeConverter.SetTransform(xf, tr);
}
public static void CameraTest2()
{
CameraSample sample = new CameraSample();
sample.transform = UnityEngine.Matrix4x4.identity;
sample.clippingRange = new UnityEngine.Vector2(.01f, 10);
// GfCamera is a gold mine of camera math.
pxr.GfCamera c = new pxr.GfCamera(UnityTypeConverter.ToGfMatrix(UnityEngine.Matrix4x4.identity));
sample.focalLength = c.GetFocalLength();
sample.horizontalAperture = c.GetHorizontalAperture();
sample.verticalAperture = c.GetVerticalAperture();
var scene = USD.NET.Scene.Create();
scene.Write("/Foo/Bar", sample);
}
public static void ExportSkelAnimation(ObjectContext objContext, ExportContext exportContext)
{
var scene = exportContext.scene;
var sample = (SkelAnimationSample)objContext.sample;
var go = objContext.gameObject;
var boneNames = exportContext.skelSortedMap[go.transform];
var skelRoot = go.transform;
sample.joints = new string[boneNames.Count];
var worldXf = new Matrix4x4[boneNames.Count];
var worldXfInv = new Matrix4x4[boneNames.Count];
string rootPath = UnityTypeConverter.GetPath(go.transform);
var basisChange = Matrix4x4.identity;
basisChange[2, 2] = -1;
for (int i = 0; i < boneNames.Count; i++)
{
var bonePath = boneNames[i];
if (!exportContext.pathToBone.ContainsKey(bonePath))
{
sample.joints[i] = "";
continue;
}
var bone = exportContext.pathToBone[bonePath];
sample.joints[i] = bonePath.Replace(rootPath + "/", "");
worldXf[i] = bone.localToWorldMatrix;
if (exportContext.basisTransform == BasisTransformation.SlowAndSafe)
{
worldXf[i] = UnityTypeConverter.ChangeBasis(worldXf[i]);
}
worldXfInv[i] = worldXf[i].inverse;
}
var rootXf = skelRoot.localToWorldMatrix.inverse;
if (exportContext.basisTransform == BasisTransformation.SlowAndSafe)
{
rootXf = UnityTypeConverter.ChangeBasis(rootXf);
}
var skelWorldTransform = UnityTypeConverter.ToGfMatrix(rootXf);
pxr.VtMatrix4dArray vtJointsLS = new pxr.VtMatrix4dArray((uint)boneNames.Count);
pxr.VtMatrix4dArray vtJointsWS = UnityTypeConverter.ToVtArray(worldXf);
pxr.VtMatrix4dArray vtJointsWSInv = UnityTypeConverter.ToVtArray(worldXfInv);
var translations = new pxr.VtVec3fArray();
var rotations = new pxr.VtQuatfArray();
sample.scales = new pxr.VtVec3hArray();
var topo = new pxr.UsdSkelTopology(UnityTypeConverter.ToVtArray(sample.joints));
pxr.UsdCs.UsdSkelComputeJointLocalTransforms(topo,
vtJointsWS,
vtJointsWSInv,
vtJointsLS,
skelWorldTransform);
pxr.UsdCs.UsdSkelDecomposeTransforms(
vtJointsLS,
translations,
rotations,
sample.scales);
sample.translations = UnityTypeConverter.FromVtArray(translations);
sample.rotations = UnityTypeConverter.FromVtArray(rotations);
scene.Write(objContext.path, sample);
}