slice-y

main.go

@@ -151,12 +151,12 @@ func (a *Animation) Next() (image.Image, <-chan time.Time, error) {
 	} else {
 		a.ctx.DrawImageAnchored(imaging.FlipH(a.image[a.updown]), a.position.X, a.position.Y, 0.5, 0.5)
 	}
-	if a.image[3] != nil {
+	if len(a.image) == 3 {
 		if a.countDown > 0 {
 			a.ctx.DrawImageAnchored(a.image[3], 0, 0, 0, 0)
 			a.countDown -= 50
 		} else {
-			a.image[3] = nil
+			a.image = a.image[:len(a.image)-1]
 			a.countDown = 5000
 		}
 	}
@@ -170,7 +170,7 @@ func (a *Animation) Next() (image.Image, <-chan time.Time, error) {
 		} else {
 			baseImage, _ := b64.StdEncoding.DecodeString(incoming.Image)
 			bigImage, _, _ := image.Decode(bytes.NewReader(baseImage))
-			a.image[3] = imaging.Resize(bigImage, 32, 32, imaging.Lanczos)
+			a.image = append(a.image, imaging.Resize(bigImage, 32, 32, imaging.Lanczos))
 			a.ctx.DrawImageAnchored(a.image[3], 0, 0, 0, 0)
 		}
 	default: