monovania/asset/ss_player.go

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Go
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2021-11-16 18:38:24 +00:00
package asset
import (
"image"
_ "image/png"
"github.com/hajimehoshi/ebiten/v2"
)
var PlayerSS = LoadPlayerSpriteSheet()
// PlayerSpriteSheet represents a collection of sprite images.
type PlayerSpriteSheet struct {
Frame1 *ebiten.Image
Frame2 *ebiten.Image
}
// LoadPlayerSpriteSheet loads the embedded PlayerSpriteSheet.
func LoadPlayerSpriteSheet() *PlayerSpriteSheet {
tileSize := 16
f, err := FS.Open("image/ojas-dungeon/character-run.png")
if err != nil {
panic(err)
}
img, _, err := image.Decode(f)
if err != nil {
panic(err)
}
sheet := ebiten.NewImageFromImage(img)
// spriteAt returns a sprite at the provided coordinates.
spriteAt := func(x, y int) *ebiten.Image {
return sheet.SubImage(image.Rect(x*tileSize, (y)*tileSize, (x+1)*tileSize, (y+1)*tileSize)).(*ebiten.Image)
}
// Populate PlayerSpriteSheet.
s := &PlayerSpriteSheet{}
s.Frame1 = spriteAt(0, 0)
s.Frame2 = spriteAt(0, 1)
return s
}