No scrolling

main.go

@@ -72,7 +72,7 @@ func (g *Game) Update() error {
 	if len(g.keys) <= 0 {
 		g.hero.Stop()
 	} else {
-		g.terrain.Move()
+		g.hero.Move()
 		g.hero.Walk()
 	}
 
@@ -81,6 +81,10 @@ func (g *Game) Update() error {
 			b.Move()
 		}
 	}
+	for _, z := range g.zombies {
+		z.TargetX = g.hero.X
+		z.TargetY = g.hero.Y
+	}
 
 	g.world.NotifyAboutCollisions()
 	return nil
@@ -89,8 +93,6 @@ func (g *Game) Update() error {
 func (g *Game) Draw(screen *ebiten.Image) {
 	g.terrain.DrawTerrain(screen)
 	for _, z := range g.zombies {
-		z.OffsetX = g.terrain.PositionX
-		z.OffsetY = g.terrain.PositionY
 		z.DrawZombie(screen)
 	}
 
@@ -126,6 +128,8 @@ func init() {
 	GameInstance.world.AddEntity(GameInstance.hero)
 	// put zombies in random places on the screen but not too close to the hero or each other
 	for _, z := range GameInstance.zombies {
+		z.TargetX = GameInstance.hero.X
+		z.TargetY = GameInstance.hero.Y
 		z.X = float64(configuration.Random(50, screenWidth-50))
 		z.Y = float64(configuration.Random(50, screenHeight-50))
 		for z.X > float64(screenWidth/2-64) && z.X < float64(screenWidth/2+64) && z.Y > float64(screenHeight/2-64) && z.Y < float64(screenHeight/2+64) {