golang-exercises/wasd-game/main.go

88 lines
1.6 KiB
Go
Raw Normal View History

package main
import (
"fmt"
"github.com/jroimartin/gocui"
"log"
)
func main() {
g, err := gocui.NewGui(gocui.OutputNormal)
if err != nil {
log.Panicln(err)
}
defer g.Close()
g.SetManagerFunc(layout)
g.Mouse = true
g.Cursor = true
initKeybindings(g)
if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
log.Panicln(err)
}
}
var (
playerX int = 0
playerY int = 0
)
func layout(g *gocui.Gui) error {
maxX, maxY := g.Size()
if player, err := g.SetView("player", maxX/2+7+playerX, maxY/2+2-playerY, maxX/2+9+playerX, maxY/2+4-playerY); err != nil {
if err != gocui.ErrUnknownView {
return err
}
player.Frame = false
player.BgColor = gocui.ColorRed
fmt.Fprintln(player, "@")
}
return nil
}
func quit(*gocui.Gui, *gocui.View) error {
return gocui.ErrQuit
}
func initKeybindings(g *gocui.Gui) error {
var movementStep int = 1
if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
log.Panicln(err)
}
if err := g.SetKeybinding("", 'a', gocui.ModNone,
func(g *gocui.Gui, v *gocui.View) error {
playerX -= movementStep
return nil
}); err != nil {
}
if err := g.SetKeybinding("", 'd', gocui.ModNone,
func(g *gocui.Gui, v *gocui.View) error {
playerX += movementStep
return nil
}); err != nil {
}
if err := g.SetKeybinding("", 'w', gocui.ModNone,
func(g *gocui.Gui, v *gocui.View) error {
playerY += movementStep
return nil
}); err != nil {
}
if err := g.SetKeybinding("", 's', gocui.ModNone,
func(g *gocui.Gui, v *gocui.View) error {
playerY -= movementStep
return nil
}); err != nil {
}
return nil
}