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feat(BNNBot): switch to Gray code encoding for smooth Hamming distance

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This commit is contained in:
Davide Cappellini
2026-09-17 22:53:03 +02:00
parent 0f20e1a869
commit 27cc5720a3
2 changed files with 5 additions and 1 deletions
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BNNBot_garage/BNNBot
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BNNBot_garage/src/binary_encoding.nim
+5 -1
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@@ -14,10 +14,14 @@ type
const MAX_DISTANCE = 1414.0 # diagonal of 1000x1000 arena const MAX_DISTANCE = 1414.0 # diagonal of 1000x1000 arena
proc toGray(value: int): int =
value xor (value shr 1)
proc toBits(value: int, bits: int): seq[uint8] = proc toBits(value: int, bits: int): seq[uint8] =
result = newSeq[uint8](bits) result = newSeq[uint8](bits)
let gray = toGray(value)
for i in 0..<bits: for i in 0..<bits:
result[bits - 1 - i] = uint8((value shr i) and 1) result[bits - 1 - i] = uint8((gray shr i) and 1)
proc encode*(scan: ScanData): BinaryVector = proc encode*(scan: ScanData): BinaryVector =
var offset = 0 var offset = 0