static void InstanciateUSDCircular(string path, usdiImportOptions opt, Transform root, float radius, int N, double timeStart = 0.0, double timeDelay = 0.05)
{
float ang = 360.0f / N * Mathf.Deg2Rad;
for (int i = 0; i < N; ++i)
{
float r = radius;
Vector3 pos = new Vector3(r * Mathf.Cos(ang * i), 0.0f, r * Mathf.Sin(ang * i));
Vector3 forward = -pos.normalized;
var usd = InstanciateUSD(path, opt, pos, forward, timeStart + timeDelay * i).gameObject;
usd.GetComponent <Transform>().SetParent(root, true);
}
}
static usdiStream InstanciateUSD(string path, usdiImportOptions opt, Vector3 pos, Vector3 forward, double time)
{
var usd = UTJ.usdiImportWindow.InstanciateUSD(path, (stream) => {
stream.importOptions = opt;
stream.playTime = time;
});
var trans = usd.GetComponent <Transform>();
if (trans)
{
trans.position = pos;
trans.forward = forward;
}
return(usd);
}
public static void ImportUSD()
{
var path = UTJ.usdiMenu.MakeRelativePath(EditorUtility.OpenFilePanel("Select USD or Alembic file (.usd, .usda, .usdc, .abc)",
Application.streamingAssetsPath, ""));
if (path == null || path == "")
{
return;
}
var root = new GameObject("root").GetComponent <Transform>();
var opt = new usdiImportOptions();
int N1 = 14;
int N2 = 22;
int N3 = 32;
double delay = 0.05;
InstanciateUSDCircular(path, opt, root, 1.4f, N1, delay * (N1 + N2), delay);
InstanciateUSDCircular(path, opt, root, 2.2f, N2, delay * N1, delay);
InstanciateUSDCircular(path, opt, root, 3.0f, N3, 0.0, delay);
Selection.activeGameObject = root.gameObject;
}
