spin up and cleanup belong to animation

animateDoorbell.go

@@ -13,6 +13,16 @@ type Doorbell struct {
 	image image.Image
 }
 
+func (a *Animation) animateDoorbell() {
+	if a.countDown > 0 {
+		a.ctx.DrawImageAnchored(a.doorbell.image, 0, 0, 0, 0)
+		a.countDown -= 50
+	} else {
+		a.doorbell = Doorbell{}
+		a.countDown = 5000
+		a.ctx.Pop()
+	}
+}
 func loadImage(imgType string, img string, a *Animation) {
 	baseImage, _ := b64.StdEncoding.DecodeString(img)
 	bigImage, _, _ := image.Decode(bytes.NewReader(baseImage))

board.go

@@ -48,14 +48,7 @@ func (a *Animation) Next() (image.Image, <-chan time.Time, error) {
 	var incoming incomingMessage
 	switch {
 	case a.doorbell != (Doorbell{}):
-		if a.countDown > 0 {
+		a.animateDoorbell()
-			a.ctx.DrawImageAnchored(a.doorbell.image, 0, 0, 0, 0)
-			a.countDown -= 50
-		} else {
-			a.doorbell = Doorbell{}
-			a.countDown = 5000
-			a.ctx.Pop()
-		}
 	default:
 		a.animateMario()
 	}