feat: support rotations for z-up assets

public/index.js

@@ -194,6 +194,10 @@ async function loadUsdFile(directory, filename, path, isRootFile = true) {
     endTimeCode = stage.GetEndTimeCode();
     timeout = 1000 / stage.GetTimeCodesPerSecond();
   }
+
+  // if up axis is z, rotate, otherwise make sure rotation is 0, in case we rotated in the past and need to undo it
+  window.usdRoot.rotation.x = String.fromCharCode(stage.GetUpAxis()) === 'z' ? -Math.PI / 2 : 0;
+
   fitCameraToSelection(window.camera, window._controls, [window.usdRoot]);
   console.log("Loading done. Scene: ", window.usdRoot);
   ready = true;

usd-wasm/src/bindings/emHdBindings.js

@@ -8,7 +8,7 @@ var getUsdModule = ((args) => {
     // module overrides can be supplied here
     locateFile: (path, prefix) => {
       if (!prefix && _scriptDir) prefix = _scriptDir.substr(0, _scriptDir.lastIndexOf('/') + 1);
-      return prefix + path; 
+      return prefix + path;
     },
     ...args
 }) {
@@ -10163,8 +10163,8 @@ var getUsdModule = ((args) => {
       (_asyncify_start_rewind = wasmExports["Ug"])(a0);
     var _asyncify_stop_rewind = () =>
       (_asyncify_stop_rewind = wasmExports["Vg"])();
-    var ___start_em_js = (Module["___start_em_js"] = 3895468);
-    var ___stop_em_js = (Module["___stop_em_js"] = 3896792);
+    var ___start_em_js = (Module["___start_em_js"] = 3892124);
+    var ___stop_em_js = (Module["___stop_em_js"] = 3893448);
     function invoke_iii(index, a1, a2) {
       var sp = stackSave();
       try {
@@ -12019,4 +12019,4 @@ if (typeof exports === "object" && typeof module === "object")
 else if (typeof define === "function" && define["amd"])
   define([], () => getUsdModule);
 
-globalThis["NEEDLE:USD:GET"] = getUsdModule;
+globalThis["NEEDLE:USD:GET"] = getUsdModule;