x/box-o-sand
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Detecting 3-period oscillators

Browse Source 
and properly (?) checking for zero-oscillator stasis.
This commit is contained in:
Dan Buch 2012-12-10 09:39:58 -05:00
parent 78625088e8
commit f22abc0430
1 changed files with 17 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
conway/go/conways-game-of-life/main.go
View File

@ -20,11 +20,12 @@ var (
) )
func pushChecksum(checksum string, checksums []string) { func pushChecksum(checksum string, checksums []string) {
first2 := make([]string, 2) head := make([]string, 3)
copy(first2, checksums[:2]) copy(head, checksums[:3])
checksums[0] = checksum checksums[0] = checksum
checksums[1] = first2[0] checksums[1] = head[0]
checksums[2] = first2[1] checksums[2] = head[1]
checksums[3] = head[2]
} }
func main() { func main() {
@ -37,8 +38,8 @@ func main() {
os.Exit(2) os.Exit(2)
} }
checksums := make([]string, 3) checksums := make([]string, 4)
checksums[0], checksums[1], checksums[2] = "foo", "bar", "baz" checksums[0], checksums[1], checksums[2], checksums[3] = "foo", "bar", "baz", "qwx"
pushChecksum(game.Checksum(), checksums) pushChecksum(game.Checksum(), checksums)
ticks := time.Tick(time.Duration(*sleepMs) * time.Millisecond) ticks := time.Tick(time.Duration(*sleepMs) * time.Millisecond)
@ -51,14 +52,20 @@ func main() {
curChecksum := game.Checksum() curChecksum := game.Checksum()
if checksums[0] == curChecksum { if checksums[0] == curChecksum || checksums[1] == curChecksum {
fmt.Println("Stasis!") fmt.Println("Stasis!")
os.Exit(0) os.Exit(0)
} }
if checksums[1] == curChecksum || checksums[2] == curChecksum { if checksums[2] == curChecksum {
fmt.Println("Checksum found in last 2") fmt.Println("Checksum found 2 periods ago")
fmt.Println("Stasis with blinkers or beacons or some such!") fmt.Println("Stasis with 2-period oscillator(s)!")
os.Exit(0)
}
if checksums[3] == curChecksum {
fmt.Println("Checksum found 3 periods ago")
fmt.Println("Stasis with 3-period oscillator(s)!")
os.Exit(0) os.Exit(0)
} }