Iron Dome

The Iron Dome air defense system, ported from the original Garry's Mod addon to s&box.

  When an interceptable projectile enters the dome's detection radius, the dome plays the IDF Red Alert siren and launches a missile on a predictive intercept path solved by a quadratic intercept equation. The
   missile detonates on proximity, destroying the threat and playing a layered close/distant explosion.

  Multiple domes coordinate through a shared target registry, so two domes never engage the same target.

  Modes (press E on a dome to cycle)
  - Neutral — engages every interceptable target above its elevation
  - Protective — same as Neutral but skips projectiles owned by the dome's network owner
  - Admin — infinite missiles, no reload, 15000 unit detection radius

  For the dome to intercept an object
  - The object must have a Rigidbody component
  - The object must carry the "interceptable" tag (Tags panel in the editor, or gameObject.Tags.Add("interceptable") in code)
  - The object must be above the dome on the Z axis
  - The dome must have line of sight to it
  - The object must not already be claimed by another dome

  ConVars (runtime tunable)
  - iron_dome_max_health         1000   Dome health (blast damage only)
  - iron_dome_siren_volume       1.0    Siren volume
  - iron_dome_reload_time        10     Seconds per reload cycle
  - iron_dome_missiles_per_reload 20    Missiles loaded per cycle
  - iron_dome_missile_speed      3500   Interceptor speed in units per second
  - iron_dome_detection_radius   8000   Scan radius (Admin mode overrides to 15000)

  Health
  - Domes take blast damage only — bullets and small arms do nothing
  - Explosions within the dome's blast radius can chain-detonate adjacent domes

  Credits
  - Iron Dome model — Chenzoss
  - Red Alert siren — ShalevDZN
  - Original GMod addon and s&box port — PoorTuna