changes:

- exchanged switch+door sprites
- added asesprite cheat sheet
- implemented door toggle on switch toggle

components/pairs.go

@@ -23,11 +23,15 @@ type Door struct {
 	Id          string
 }
 
-func (door *Door) Open() *ebiten.Image {
-	return door.OpenSprite
+func (door *Door) Toggle() {
+	door.IsOpen = !door.IsOpen
 }
 
-func (door *Door) Close() *ebiten.Image {
+func (door *Door) Sprite() *ebiten.Image {
+	if door.IsOpen {
+		return door.OpenSprite
+	}
+
 	return door.CloseSprite
 }
 
@@ -39,3 +43,15 @@ type Switch struct {
 	CloseSprite *ebiten.Image
 	Ref         string // the IId of the door
 }
+
+func (switcher *Switch) Toggle() {
+	switcher.IsOpen = !switcher.IsOpen
+}
+
+func (switcher *Switch) Sprite() *ebiten.Image {
+	if switcher.IsOpen {
+		return switcher.OpenSprite
+	}
+
+	return switcher.CloseSprite
+}