Add score for ball exchange

art/fonts/DraftingMono-Regular.ttf.import

@@ -0,0 +1,33 @@
+[remap]
+
+importer="font_data_dynamic"
+type="FontFile"
+uid="uid://8guv2d1fgna7"
+path="res://.godot/imported/DraftingMono-Regular.ttf-2613f107ee7cfa148009be1dfb779785.fontdata"
+
+[deps]
+
+source_file="res://art/fonts/DraftingMono-Regular.ttf"
+dest_files=["res://.godot/imported/DraftingMono-Regular.ttf-2613f107ee7cfa148009be1dfb779785.fontdata"]
+
+[params]
+
+Rendering=null
+antialiasing=1
+generate_mipmaps=false
+multichannel_signed_distance_field=false
+msdf_pixel_range=8
+msdf_size=48
+allow_system_fallback=true
+force_autohinter=false
+hinting=1
+subpixel_positioning=1
+oversampling=0.0
+Fallbacks=null
+fallbacks=[]
+Compress=null
+compress=true
+preload=[]
+language_support={}
+script_support={}
+opentype_features={}

scenes/hud.tscn

@@ -0,0 +1,18 @@
+[gd_scene load_steps=3 format=3 uid="uid://bxj8v34v1igyc"]
+
+[ext_resource type="Script" path="res://scripts/hud.gd" id="1_glf76"]
+[ext_resource type="FontFile" uid="uid://8guv2d1fgna7" path="res://art/fonts/DraftingMono-Regular.ttf" id="1_xr1ih"]
+
+[node name="HUD" type="CanvasLayer"]
+script = ExtResource("1_glf76")
+
+[node name="ScoreLabel" type="Label" parent="."]
+anchors_preset = 1
+anchor_left = 1.0
+anchor_right = 1.0
+offset_left = -60.0
+offset_bottom = 41.0
+grow_horizontal = 0
+theme_override_fonts/font = ExtResource("1_xr1ih")
+theme_override_font_sizes/font_size = 30
+text = "0"

scenes/main.tscn

@@ -1,11 +1,14 @@
-[gd_scene load_steps=4 format=3 uid="uid://cdwgmtyq2y8sm"]
+[gd_scene load_steps=6 format=3 uid="uid://cdwgmtyq2y8sm"]
 
+[ext_resource type="Script" path="res://scripts/main.gd" id="1_1xo8b"]
 [ext_resource type="PackedScene" uid="uid://m8uyi35gr3qd" path="res://scenes/tile_map.tscn" id="2_c6bkg"]
 [ext_resource type="PackedScene" uid="uid://ba1t35yyot4jl" path="res://scenes/player.tscn" id="2_idv37"]
 [ext_resource type="PackedScene" uid="uid://bktg1ypaav3q3" path="res://scenes/enemy.tscn" id="3_2xcd4"]
+[ext_resource type="PackedScene" uid="uid://bxj8v34v1igyc" path="res://scenes/hud.tscn" id="4_ealqo"]
 
 [node name="Main" type="Node2D"]
 y_sort_enabled = true
+script = ExtResource("1_1xo8b")
 
 [node name="TileMap" parent="." instance=ExtResource("2_c6bkg")]
 position = Vector2(324, 82)
@@ -19,3 +22,7 @@ position = Vector2(0, 40)
 z_index = 1
 z_as_relative = false
 y_sort_enabled = true
+
+[node name="HUD" parent="." instance=ExtResource("4_ealqo")]
+
+[connection signal="hit_ball" from="TileMap/Player" to="." method="_on_player_hit_ball"]

scripts/hud.gd

@@ -0,0 +1,4 @@
+extends CanvasLayer
+
+func update_score(score):
+	$ScoreLabel.text = str(score)

scripts/main.gd

@@ -0,0 +1,7 @@
+extends Node2D
+
+var score = 0
+
+func _on_player_hit_ball():
+	score += 1
+	$HUD.update_score(score)