55 lines
979 B
Go
55 lines
979 B
Go
package main
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import (
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"fmt"
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"log"
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"github.com/hajimehoshi/ebiten/v2"
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"github.com/hajimehoshi/ebiten/v2/ebitenutil"
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)
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const screenWidth, screenHeight = 320, 240
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type updater interface {
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Update() error
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}
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type drawer interface {
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Draw(*ebiten.Image)
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}
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type game struct {
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components []interface{}
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}
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func (g *game) Update() error {
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for _, c := range g.components {
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if u, ok := c.(updater); ok {
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if err := u.Update(); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (g *game) Draw(screen *ebiten.Image) {
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for _, c := range g.components {
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if d, ok := c.(drawer); ok {
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d.Draw(screen)
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}
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}
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ebitenutil.DebugPrint(screen, fmt.Sprintf("TPS: %0.2f", ebiten.CurrentTPS()))
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}
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func (g *game) Layout(outsideWidth, outsideHeight int) (w, h int) {
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return screenWidth, screenHeight
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}
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func main() {
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ebiten.SetWindowSize(screenWidth*2, screenHeight*2)
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ebiten.SetWindowTitle("ebiten")
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if err := ebiten.RunGame(&game{}); err != nil {
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log.Fatal(err)
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}
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}
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