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fix(engine): align AttackRadius2 with plan §3.4

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The plan specifies AttackRadius2 = 12 (3.5 tiles) for all player
counts, but the code had incorrect values:
- DefaultConfig(): 9 → 12
- ConfigForPlayers() 2-player: 36 → 12

This aligns the implementation with plan §3.4 which states the
attack radius is 3.5 tiles (squared distance = 12).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
jedarden 2026-05-24 20:14:33 -04:00
parent 33f61970f9
commit 875ea66fc8
1 changed files with 3 additions and 3 deletions
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6
engine/types.go
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@ -186,7 +186,7 @@ func DefaultConfig() Config {
Cols: 40,
MaxTurns: 500,
VisionRadius2: 49, // ~7 tiles
AttackRadius2: 9, // 3 tiles (increased from 5 for better combat trigger)
AttackRadius2: 12, // 3.5 tiles per plan §3.4
SpawnCost: 3,
EnergyInterval: 10,
CoresPerPlayer: 2,
@ -244,13 +244,13 @@ func ConfigForPlayers(numPlayers, coresPerPlayer int) Config {
cfg.ZoneShrinkInterval = 2 // Shrink every 2 turns
cfg.ZoneShrinkStep = 2 // Shrink 2 tiles per interval (1 tile/turn, per plan §3.7.1)
cfg.ZoneMinRadius = 3 // Final zone diameter (6) forces bots into attack range (3.5)
cfg.AttackRadius2 = 36 // 6 tiles (maximum for 2-player random bots)
cfg.AttackRadius2 = 12 // 3.5 tiles per plan §3.4
} else {
cfg.ZoneStartTurn = 15 // Start zone at turn 15 for 3+ players (per plan §3.7.1)
cfg.ZoneShrinkInterval = 2 // Shrink every 2 turns
cfg.ZoneShrinkStep = 2 // Shrink 2 tiles per interval (1 tile/turn, per plan §3.7.1)
cfg.ZoneMinRadius = 3 // Final zone diameter (6) forces bots into attack range (3.5)
cfg.AttackRadius2 = 12 // 3.5 tiles (same as 2-player for better combat trigger)
cfg.AttackRadius2 = 12 // 3.5 tiles per plan §3.4
}
return cfg