Zombie and health bar

hero/hero.go

@@ -6,6 +6,7 @@ import (
 	"gitlab.com/kbr4/9heroja/configuration"
 	"gitlab.com/kbr4/9heroja/resources"
 	"image"
+	"image/color"
 	"log"
 	"time"
 )
@@ -21,6 +22,7 @@ type Hero struct {
 	step      int
 	direction configuration.Direction
 	IsWalking bool
+	Health    int // Health as a percentage (0-100)
 }
 
 type spritePosition struct {
@@ -132,6 +134,35 @@ func (h *Hero) DrawHero(screen *ebiten.Image) {
 	//		float64((ny-1)*tileSize-floorMod(g.cameraY, tileSize)))
 
 	screen.DrawImage(heroImage.SubImage(image.Rect(p.x+1, p.y, p.x+resources.HeroTileSize, p.y+resources.HeroTileSize)).(*ebiten.Image), op)
+
+	// Drawing the dynamic health bar below the hero
+	maxHealthBarWidth := resources.HeroTileSize // Maximum width of the health bar (same as the character width)
+	healthBarHeight := 5                        // Height of the health bar
+	healthBarX := float64(screenWidth/2 - 16)   // Align with the hero
+	healthBarY := float64(screenHeight/2 + 20)  // Position below the hero
+
+	// Calculate the current width of the health bar based on the hero's health
+	currentHealthBarWidth := int(float64(maxHealthBarWidth) * (float64(h.Health) / 100.0))
+
+	// Determine health bar color based on health
+	var healthColor color.Color
+	switch {
+	case h.Health >= 70:
+		healthColor = color.RGBA{0, 255, 0, 255} // Green
+	case h.Health >= 30:
+		healthColor = color.RGBA{255, 165, 0, 255} // Orange
+	default:
+		healthColor = color.RGBA{255, 0, 0, 255} // Red
+	}
+
+	// Create health bar image with the current width
+	healthBarImg := ebiten.NewImage(currentHealthBarWidth, healthBarHeight)
+	healthBarImg.Fill(healthColor)
+	// Draw health bar
+	hbop := &ebiten.DrawImageOptions{}
+	hbop.GeoM.Translate(healthBarX, healthBarY)
+	screen.DrawImage(healthBarImg, hbop)
+
 }
 
 func init() {
@@ -149,6 +180,7 @@ func NewHero() *Hero {
 	hero := &Hero{
 		step:      0,
 		IsWalking: false,
+		Health:    33,
 	}
 
 	go func() {