bull and bear flashing red when take damage

bear.gd

@@ -59,6 +59,10 @@ var _anim_smash: StringName = &""     # SMASH_HIT    — overhead smash
 var _anim_leap: StringName = &""      # JUMP_SMASH   — leap slam
 var _anim_death: StringName = &""      # DEATH   — death
 
+#take hit flashing
+var _hit_flash_active := false
+var _hit_flash_tween: Tween
+
 const _ACCEL_FACTOR: float = 9.0
 # Hard deceleration for planted states (wind-up / recovery / neutral settle) so the bear
 # never coasts across the ground with a stationary pose playing (no foot-sliding).
@@ -117,6 +121,45 @@ func _ready() -> void:
 	_setup_claws()
 	_enter_neutral()
 
+#take hit flashing
+func _hit_flash() -> void:
+	if _mesh == null:
+		return
+
+	if _hit_flash_tween:
+		_hit_flash_tween.kill()
+
+	_hit_flash_active = true
+
+	# Make the bear red
+	for child in _mesh.find_children("*", "MeshInstance3D", true, false):
+		var mesh := child as MeshInstance3D
+		if mesh:
+			mesh.material_overlay = _make_hit_overlay()
+
+	# Flash for 0.1 sec, then remove
+	_hit_flash_tween = create_tween()
+	_hit_flash_tween.tween_interval(0.10)
+	_hit_flash_tween.tween_callback(_clear_hit_flash)
+	
+func _make_hit_overlay() -> StandardMaterial3D:
+	var mat := StandardMaterial3D.new()
+	mat.albedo_color = Color(1.0, 0.05, 0.05, 1.0)
+	mat.shading_mode = BaseMaterial3D.SHADING_MODE_UNSHADED
+	return mat
+
+func _clear_hit_flash() -> void:
+	if _mesh == null:
+		return
+
+	for child in _mesh.find_children("*", "MeshInstance3D", true, false):
+		var mesh := child as MeshInstance3D
+		if mesh:
+			mesh.material_overlay = null
+
+	_hit_flash_active = false
+
+
 
 # Bind a claw-slash emitter to each paw bone (hand_l / hand_r) via a BoneAttachment3D, so
 # a burst fired on a swipe hit erupts from that paw wherever the animation has it.
@@ -698,6 +741,7 @@ func _take_hit(hit_dir: Vector3, strength: float) -> void:
 	if _state == State.DEAD:
 		return
 	_hp -= 1
+	_hit_flash()
 	health_changed.emit(_hp, int(DP.f("bear_max_hp")))
 	hit_dir.y = 0.0
 	hit_dir = hit_dir.normalized()