godot simulation Godot game engine Simulation Run 1 2# Run with NVIDIA GPU __NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia ./Godot_v4.5.1-stable_linux.x86_64 ROS2 build automation tool1pip install scons Reference Introducing 3D Tiles for Godot by Battle Road Godot ros2 integration godot_ros