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main.go
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main.go
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package main
import (
"fmt"
"log"
"github.com/ReanGD/arena/opacha"
"github.com/hajimehoshi/ebiten/v2"
"github.com/hajimehoshi/ebiten/v2/ebitenutil"
)
type Game interface {
Init(screen *ebiten.Image) error
Update(frameNum int) error
Draw(frameNum int, screen *ebiten.Image)
}
type Arena struct {
frameNum int
game Game
initErr error
}
func NewArena(game Game) *Arena {
return &Arena{
frameNum: -1,
game: game,
initErr: nil,
}
}
func (a *Arena) Update() error {
a.frameNum++
if a.frameNum != 0 && a.initErr == nil {
return a.game.Update(a.frameNum)
}
return a.initErr
}
func (a *Arena) Draw(screen *ebiten.Image) {
if a.frameNum == 0 {
a.initErr = a.game.Init(screen)
if a.initErr == nil {
a.initErr = a.game.Update(a.frameNum)
}
}
a.game.Draw(a.frameNum, screen)
fps := ebiten.CurrentFPS()
tps := ebiten.CurrentTPS()
ebitenutil.DebugPrint(screen, fmt.Sprintf("FPS: %0.2f TPS: %0.2f", fps, tps))
}
func (a *Arena) Layout(outsideWidth, outsideHeight int) (screenWidth, screenHeight int) {
return 1280, 1024
}
func main() {
ebiten.SetWindowSize(1280, 1024)
ebiten.SetWindowTitle("Arena")
game, err := opacha.NewGame()
if err != nil {
log.Fatal(err)
return
}
arena := NewArena(game)
if err := ebiten.RunGame(arena); err != nil {
log.Fatal(err)
}
}