func pressButton(b *staticimg.StaticImg, u *uistate.UIState) {
if !b.GetHidden() {
u.Eng.SetSubTex(b.GetNode(), b.GetAlt())
b.SetHidden(false)
b.SetDisplayingImage(false)
}
}
func AlternateImgs(s *staticimg.StaticImg, u *uistate.UIState) {
<-time.After(100 * time.Millisecond)
node := s.GetNode()
node.Arranger = arrangerFunc(func(eng sprite.Engine, node *sprite.Node, t clock.Time) {
t0 := uint32(t) % 10
if t0 < 5 {
u.Eng.SetSubTex(s.GetNode(), s.GetImage())
} else {
u.Eng.SetSubTex(s.GetNode(), s.GetAlt())
}
})
}