46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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// For more tutorials : https://learngoprogramming.com
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// In-person training : https://www.linkedin.com/in/inancgumus/
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// Follow me on twitter: https://twitter.com/inancgumus
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package main
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import (
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"fmt"
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"math/rand"
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"os"
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"strconv"
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"time"
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)
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// init is another special function
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// Go calls it before the main function
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func init() {
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rand.Seed(time.Now().UnixNano())
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initCells()
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}
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// initCells initialize the played cells to empty
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func initCells() {
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for i := range cells {
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cells[i] = emptyCell
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}
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}
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func setGameSpeed() {
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// args can be used within the if block
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// gs and err can be used in the else if and else branches
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if args := os.Args; len(args) == 1 {
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fmt.Println("Setting game speed to default.")
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} else if gs, err := strconv.Atoi(args[1]); err != nil {
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fmt.Println("Wrong game speed. Provide an integer.")
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} else {
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gameSpeed = time.Duration(gs) * time.Second
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}
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fmt.Printf("Game speed is %q.\n", gameSpeed)
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}
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