Refactoring in explosion sounds.

elements/enemies.go

@@ -20,4 +20,6 @@ type Enemies interface {
 	SetTouched()
 	ClearTouched()
 	IsTouched() bool
+	ExplosionInitiated() bool
+	SetExplosionInitiated()
 }

elements/flyeye.go

@@ -22,6 +22,7 @@ type FlyEye struct {
 	hit        bool
 	touched    bool
 	toggle     bool
+	sploding   bool
 }
 
 func NewFlyEye() *FlyEye {
@@ -34,6 +35,7 @@ func NewFlyEye() *FlyEye {
 		hit:        false,
 		touched:    false,
 		toggle:     false,
+		sploding:   false,
 	}
 	f.Maks.Fill(color.White)
 	return f
@@ -151,3 +153,11 @@ func (f *FlyEye) GetEnemyState() gamedata.EnemyState {
 func (f *FlyEye) SetPosition(p gamedata.Coordinates) {
 	f.position = p
 }
+
+func (f *FlyEye) ExplosionInitiated() bool {
+	return f.sploding
+}
+
+func (f *FlyEye) SetExplosionInitiated() {
+	f.sploding = true
+}

gameelement/canvas.go

@@ -327,6 +327,13 @@ func (c *Canvas) UpdateEnemies() {
 	for _, e := range c.enemies {
 		if !c.gameover {
 			e.SetTarget(c.hero.Pos)
+
+			if e.GetEnemyState() == gamedata.EnemyStateExploding && !e.ExplosionInitiated() {
+				if c.eventmap[gamedata.GameEventExplosion] != nil {
+					c.eventmap[gamedata.GameEventExplosion]()
+				}
+				e.SetExplosionInitiated()
+			}
 		} else {
 			e.SetTarget(e.GetPosition())
 		}