Fix rendering debug arrow for 64bits precision. (Genesis-Embodied-AI#1388)

Author: SonSang

genesis/vis/rasterizer_context.py

@@ -707,7 +707,7 @@ def draw_debug_arrow(self, pos, vec=(0.0, 0.0, 1.0), radius=0.006, color=(1.0, 0
             pose = np.zeros((1, 4, 4), dtype=np.float32)
             pose[0, 3, 3] = 1.0
             pose[0, :3, 3] = tensor_to_array(pos)
-            gu.z_up_to_R(tensor_to_array(vec), out=pose[0, :3, :3])
+            gu.z_up_to_R(tensor_to_array(vec).astype(np.float32), out=pose[0, :3, :3])
 
             node = pyrender.Mesh.from_trimesh(mesh, name=f"debug_arrow_{gs.UID()}", poses=pose)
             if persistent: