Fireballs and shadows.

elements/flygoblin.go

@@ -3,6 +3,7 @@ package elements
 import (
 	"image"
 	"image/color"
+	"math/rand/v2"
 	"mover/assets"
 	"mover/gamedata"
 
@@ -14,20 +15,23 @@ const (
 )
 
 type FlyGoblin struct {
-	Sprite         *ebiten.Image
-	Maks           *ebiten.Image
-	MaksDest       *ebiten.Image
-	position       gamedata.Coordinates
-	target         gamedata.Coordinates
-	state          gamedata.EnemyState
-	cycle          int
-	health         int
-	damageduration int
-	right          bool
-	touched        bool
-	toggle         bool
-	sploding       bool
-	damage         bool
+	Sprite           *ebiten.Image
+	Maks             *ebiten.Image
+	MaksDest         *ebiten.Image
+	position         gamedata.Coordinates
+	target           gamedata.Coordinates
+	state            gamedata.EnemyState
+	cycle            int
+	health           int
+	damageduration   int
+	right            bool
+	touched          bool
+	toggle           bool
+	sploding         bool
+	damage           bool
+	called           bool
+	deathcallback    func()
+	fireballcallback func()
 }
 
 func NewFlyGoblin() *FlyGoblin {
@@ -37,6 +41,7 @@ func NewFlyGoblin() *FlyGoblin {
 		MaksDest:       ebiten.NewImage(96, 96),
 		health:         FG_MAXHEALTH,
 		damageduration: 0,
+		called:         false,
 	}
 	fg.Maks.Fill(color.White)
 	return fg
@@ -61,6 +66,22 @@ func (f *FlyGoblin) Update() error {
 		f.position.X += dx / 48
 		f.position.Y += dy / 48
 
+		//10% chance to summon fireball
+		fb := rand.Float64() >= 0.9
+
+		if (f.cycle/8)%4 == 0 && fb {
+			if f.fireballcallback != nil {
+				f.fireballcallback()
+			}
+		}
+
+	}
+
+	if f.state == gamedata.EnemyStateDead && !f.called {
+		f.called = true
+		if f.deathcallback != nil {
+			f.deathcallback()
+		}
 	}
 
 	f.cycle++
@@ -107,6 +128,7 @@ func (f *FlyGoblin) Draw() {
 		f.Sprite.DrawImage(assets.ImageBank[assets.FlyEyeDying].SubImage(image.Rect(x0, y0, x1, y1)).(*ebiten.Image), op)
 		if idx == 3 {
 			f.state = gamedata.EnemyStateDead
+
 		}
 	}
 
@@ -182,3 +204,15 @@ func (f *FlyGoblin) Health() int {
 func (f *FlyGoblin) MaxHealth() int {
 	return FG_MAXHEALTH
 }
+
+func (f *FlyGoblin) SetDeathEvent(somefunc func()) {
+	f.deathcallback = somefunc
+}
+
+func (f *FlyGoblin) SetFireballCallback(somefunc func()) {
+	f.fireballcallback = somefunc
+}
+
+func (f *FlyGoblin) GetAngle() float64 {
+	return 0
+}