Specify camera parameters using standard robotics conventions.

PiperOrigin-RevId: 569147555
Change-Id: I3443f95e5de56a17024f5e5c03f33888dd583edb

python/mujoco/bindings_test.py

@@ -829,6 +829,7 @@ Euler integrator, semi-implicit in velocity.
     self.assertEqual(mujoco.mjtGeom.mjGEOM_ARROW, 100)
     self.assertEqual(mujoco.mjtGeom.mjGEOM_ARROW1, 101)
     self.assertEqual(mujoco.mjtGeom.mjGEOM_ARROW2, 102)
+    self.assertEqual(mujoco.mjtGeom.mjGEOM_TRIANGLE, 106)
     self.assertEqual(mujoco.mjtGeom.mjGEOM_NONE, 1001)
 
   def test_enum_from_int(self):

python/mujoco/structs.cc

@@ -2044,6 +2044,7 @@ This is useful for example when the MJB is not available as a file on disk.)"));
         c.get()->var = rhs;                                            \
       })
   X(frustum_center);
+  X(frustum_width);
   X(frustum_bottom);
   X(frustum_top);
   X(frustum_near);