Values
Disabled
Billboard mode is disabled.
Enabled
The object's Z axis will always face the camera.
FixedY
The object's X axis will always face the camera.
Particles
Used for particle systems when assigned to godot.Particles and godot.CPUParticles nodes. Enables particles_anim_* properties.
The godot.ParticlesMaterial.animSpeed or godot.CPUParticles.animSpeed should also be set to a positive value for the animation to play.