Initial project import

tools/v/examples/game_of_life/life.v

@@ -0,0 +1,79 @@
+import term
+import rand
+import time
+
+const cell = '█'
+const nothing = ' '
+const transformers = [nothing, cell]
+
+struct Game {
+mut:
+	grid [][]string
+}
+
+fn (g Game) get_surrounding_alive_count(x int, y int) int {
+	mut count := 0
+	for i := x - 1; i <= x + 1; i++ {
+		for j := y - 1; j <= y + 1; j++ {
+			if (i != x || j != y) && i >= 0 && j >= 0 && i < g.grid.len && j < g.grid[x].len {
+				if g.grid[i][j] == cell {
+					count++
+				}
+			}
+		}
+	}
+	return count
+}
+
+fn (mut g Game) evolve() {
+	mut temp_grid := [][]string{}
+	for x in 0 .. g.grid.len {
+		temp_grid << []string{}
+		for y in 0 .. g.grid[x].len {
+			count := g.get_surrounding_alive_count(x, y)
+			if count == 3 || (g.grid[x][y] == cell && count == 2) {
+				temp_grid[x] << cell
+			} else {
+				temp_grid[x] << nothing
+			}
+		}
+	}
+
+	g.grid = temp_grid
+}
+
+fn (mut g Game) display() {
+	for y in 0 .. g.grid[0].len {
+		mut line := ''
+		for x in 0 .. g.grid.len {
+			line += g.grid[x][y]
+		}
+		println(line)
+	}
+}
+
+fn new_game() Game {
+	w, h := term.get_terminal_size()
+	mut grid := [][]string{}
+	for x in 0 .. w {
+		grid << []string{}
+		for _ in 0 .. h {
+			is_live := rand.f64() > 0.82
+			icon := transformers[int(is_live)]
+			grid[x] << icon
+		}
+	}
+	return Game{grid}
+}
+
+fn main() {
+	mut g := new_game()
+
+	g.display()
+	for {
+		g.evolve()
+		term.erase_clear()
+		g.display()
+		time.sleep(100 * time.millisecond)
+	}
+}