acceleration:
  look: 0.03
  takeoff:
    vertical: 0.5
    look: 0.5

takeoff:
  glide_millis: 1000
  tap_millis: 500

max_velocity: 2.0

# Parameters to World.Spigot.playEffect().
# Potentially good particles: LARGE_SMOKE, PARTICLE_SMOKE, EXPLOSION,
# FIREWORKS_SPARK, FLAME, MOBSPAWNER_FLAMES, SMALL_SMOKE
exhaust:
#  effect: EXPLOSION
  effect: FIREWORKS_SPARK
  id: 0
  data: 0
  offset: 0.3
  speed: 0.01
  count: 5
  radius: 128
#  sound: BLOCK_CHORUS_FLOWER_GROW
  sound: ENTITY_ELDER_GUARDIAN_AMBIENT
  volume: 4.0

broken:
  sound: BLOCK_FURNACE_FIRE_CRACKLE
  volume: 3.0
  glide: true
  glide_fall_reduction: 2.0

altimeter:
  enabled: true
  ceiling: 276.0
  colours:
    '100': RED
    '200': BLUE
    '256': WHITE
    '276': PINK
    '999999': PURPLE

vacuum:
  enabled: true
  altitude: 276.0
  damage: 0.5

acceleration:
  look: 0.03
  takeoff:
    vertical: 0.5
    look: 0.5

takeoff:
  glide_millis: 1000
  tap_millis: 500

max_velocity: 2.0

# Parameters to World.Spigot.playEffect().
# Potentially good particles: LARGE_SMOKE, PARTICLE_SMOKE, EXPLOSION,
# FIREWORKS_SPARK, FLAME, MOBSPAWNER_FLAMES, SMALL_SMOKE
exhaust:
#  effect: EXPLOSION
  effect: FIREWORKS_SPARK
  id: 0
  data: 0
  offset: 0.3
  speed: 0.01
  count: 5
  radius: 128
#  sound: BLOCK_CHORUS_FLOWER_GROW
  sound: ENTITY_ELDER_GUARDIAN_AMBIENT
  volume: 4.0

broken:
  sound: BLOCK_FURNACE_FIRE_CRACKLE
  volume: 3.0
  glide: true
  glide_fall_reduction: 2.0

altimeter:
  enabled: true
  ceiling: 300.0
  colours:
    '100': RED
    '200': BLUE
    '256': WHITE
    '300': PINK
    '999999': PURPLE

vacuum:
  enabled: true
  altitude: 300.0
  damage: 1.0

Set the vacuum at 300.
Set the vacuum at 300.
