Added new enemy character. WIP.

elements/boss.go

@@ -0,0 +1,110 @@
+package elements
+
+import (
+	"image"
+	"image/color"
+	"mover/assets"
+	"mover/gamedata"
+
+	"github.com/hajimehoshi/ebiten/v2"
+)
+
+type Boss struct {
+	Sprite          *ebiten.Image
+	Maks            *ebiten.Image
+	MaskDest        *ebiten.Image
+	Spawned         bool
+	Pos             gamedata.Coordinates
+	Right           bool
+	damage          bool
+	cycle           int
+	Action          MoverAction
+	hitcount        int
+	damageduration  int
+	SplodeInitiated bool
+}
+
+func NewBoss() *Boss {
+	b := &Boss{
+		Sprite:   ebiten.NewImage(96, 96),
+		Spawned:  false,
+		Action:   MoverActionDefault,
+		hitcount: 0,
+		Maks:     ebiten.NewImage(96, 96),
+		MaskDest: ebiten.NewImage(96, 96),
+	}
+	b.Maks.Fill(color.White)
+	return b
+}
+
+func (b *Boss) Update() {
+	if b.damage {
+		b.damageduration++
+		if b.damageduration > 30 {
+			b.damage = false
+			b.damageduration = 0
+		}
+	}
+	b.cycle++
+}
+
+func (b *Boss) Draw() {
+	b.Sprite.Clear()
+	b.MaskDest.Clear()
+
+	/*
+		//b.Sprite.Fill(color.RGBA{R: 0xFF, G: 0xFF, B: 0x00, A: 0xFF})
+		vector.DrawFilledCircle(b.Sprite, 48, 48, 48, color.RGBA{R: 0xFF, G: 0xFF, B: 0x00, A: 0xFF}, true)
+	*/
+
+	idx := (b.cycle / 8) % 4
+	x0 := 96 * idx
+	x1 := x0 + 96
+	y0 := 0
+	y1 := 96
+
+	op := &ebiten.DrawImageOptions{}
+	if b.Right {
+		op.GeoM.Scale(-1, 1)
+		op.GeoM.Translate(MOVER_WIDTH*2, 0)
+	}
+
+	switch b.Action {
+	case MoverActionDefault:
+		if (b.cycle/5)%2 == 0 && b.damage {
+			b.MaskDest.DrawImage(assets.ImageBank[assets.Worm].SubImage(image.Rect(x0, y0, x1, y1)).(*ebiten.Image), op)
+			op := &ebiten.DrawImageOptions{}
+			op.GeoM.Reset()
+			op.Blend = ebiten.BlendSourceAtop
+			b.MaskDest.DrawImage(b.Maks, op)
+			b.Sprite.DrawImage(b.MaskDest, nil)
+		} else {
+			b.Sprite.DrawImage(assets.ImageBank[assets.Worm].SubImage(image.Rect(x0, y0, x1, y1)).(*ebiten.Image), op)
+		}
+	case MoverActionExploding:
+		op.GeoM.Scale(2, 2)
+		//op.GeoM.Translate(-48, -48)
+		b.Sprite.DrawImage(assets.ImageBank[assets.FlyEyeDying].SubImage(image.Rect(x0, y0, x1, y1)).(*ebiten.Image), op)
+		if idx == 3 {
+			b.Action++
+		}
+	}
+
+}
+
+func (b *Boss) SetHit() {
+	b.hitcount++
+	b.damage = true
+	if b.hitcount > 10 {
+		b.Action = MoverActionExploding
+		b.cycle = 0
+	}
+}
+
+func (b *Boss) Reset() {
+	b.hitcount = 0
+	b.damage = false
+	b.damageduration = 0
+	b.Action = MoverActionDefault
+	b.Spawned = false
+}