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52 lines
1.1 KiB
52 lines
1.1 KiB
package main
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import (
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"image"
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_ "image/png"
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"github.com/hajimehoshi/ebiten/v2"
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)
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// BatSpriteSheet represents a collection of sprite images.
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type BatSpriteSheet struct {
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Frame1 *ebiten.Image
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Frame2 *ebiten.Image
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Frame3 *ebiten.Image
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Frame4 *ebiten.Image
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Frame5 *ebiten.Image
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Frame6 *ebiten.Image
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Frame7 *ebiten.Image
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}
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// LoadBatSpriteSheet loads the embedded BatSpriteSheet.
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func LoadBatSpriteSheet() (*BatSpriteSheet, error) {
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tileSize := 32
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f, err := assetsFS.Open("assets/creeps/bat/fly.png")
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if err != nil {
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return nil, err
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}
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img, _, err := image.Decode(f)
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if err != nil {
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return nil, err
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}
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sheet := ebiten.NewImageFromImage(img)
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// spriteAt returns a sprite at the provided coordinates.
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spriteAt := func(x, y int) *ebiten.Image {
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return sheet.SubImage(image.Rect(x*tileSize, (y+1)*tileSize, (x+1)*tileSize, y*tileSize)).(*ebiten.Image)
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}
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// Populate PlayerSpriteSheet.
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s := &BatSpriteSheet{}
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s.Frame1 = spriteAt(0, 0)
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s.Frame2 = spriteAt(1, 0)
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s.Frame3 = spriteAt(2, 0)
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s.Frame4 = spriteAt(3, 0)
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s.Frame5 = spriteAt(4, 0)
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s.Frame6 = spriteAt(5, 0)
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s.Frame7 = spriteAt(6, 0)
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return s, nil
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}
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