28 lines
1.2 KiB
Nim
28 lines
1.2 KiB
Nim
## Gun selector — picks best gun×power, computes aim angle, gates firing.
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## Fires highest power with acceptable hit rate when gun is aimed within
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## threshold and gunHeat == 0.
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import std/math
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import gun_interface
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import virtual_bullets
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const AimThresholdDeg* = 2.0 ## max angle error to fire; ponytail: tune per bot
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proc aimAngle*(selfX, selfY, targetX, targetY: float): float =
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## Absolute bearing in degrees (0=East, CCW+) toward (targetX, targetY).
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result = radToDeg(arctan2(targetY - selfY, targetX - selfX))
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proc shouldFire*(currentGunDir, targetAngle, gunHeat: float): bool =
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## Returns true when gun is close enough and cool enough to fire.
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var delta = (targetAngle - currentGunDir) mod 360.0
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if delta > 180.0: delta -= 360.0
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elif delta < -180.0: delta += 360.0
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abs(delta) <= AimThresholdDeg and gunHeat <= 0.0
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proc selectShot*(t: VirtualTracker, targetId: int = -1): (GunId, int, float) =
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## Returns (gunId, powerBinIdx, power) — the shot to take this tick.
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## Pass targetId to pick the best gun for that specific enemy.
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let gunId = t.bestGun(targetId)
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let (binIdx, power) = t.bestPower(gunId, targetId)
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result = (gunId, binIdx, power)
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