Screenshots
History
Two-dimensional beams are weak and boring, and this mesh hasn't gotten enough airplay.
Instructions
Unzip lava.zip into your Homeworld directory. Find the VeryLargeIonCannon section of r2.script, and replace the BulletEffect and HitEvent lines with these:
setBulletEffect R2,GS_VeryLargeIonCannon, bulletlava.ebg setBulletEffect R2,GS_VeryLargeIonCannon, bulletlava.ebg setBulletEffect R2,GS_VeryLargeIonCannon, bulletlava.ebg setBulletEffect R2,GS_VeryLargeIonCannon, bulletlava.ebg setHitEvent R2,GS_VeryLargeIonCannon, hitLava.ebg setHitEvent R2,GS_VeryLargeIonCannon, hitLava.ebg setHitEvent R2,GS_VeryLargeIonCannon, hitLava.ebg setHitEvent R2,GS_VeryLargeIonCannon, hitLava.ebg
There is no FireEvent for this weapon.