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boundary wrapping

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Baipyrus 2024-04-15 01:26:37 +02:00
parent 0c3d18afbe
commit 00886d2e07
1 changed files with 6 additions and 5 deletions
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11
conway.go
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@ -13,6 +13,10 @@ type Cell struct {
} }
func (c *Cell) NeighborCount(arr [][]Cell) int { func (c *Cell) NeighborCount(arr [][]Cell) int {
// Read grid dimensions
width := len(arr)
height := len(arr[0])
count := 0 count := 0
// Iterate through 3x3 neighboring grid // Iterate through 3x3 neighboring grid
for i := -1; i <= 1; i++ { for i := -1; i <= 1; i++ {
@ -22,11 +26,8 @@ func (c *Cell) NeighborCount(arr [][]Cell) int {
continue continue
} }
// Get neighbor coordinates // Get neighbor coordinates
nx, ny := c.x+i, c.y+j nx := (c.x + i + width) % width
// Check if neighbor is within bounds ny := (c.y + j + height) % height
if nx < 0 || nx >= len(arr) || ny < 0 || ny >= len(arr[0]) {
continue
}
// Count if neighbor is alive // Count if neighbor is alive
if arr[nx][ny].live { if arr[nx][ny].live {
count++ count++