snake // add score, add food spawning, add menu buttons, add game over

scenes/game_control.tscn

@@ -0,0 +1,44 @@
+[gd_scene load_steps=3 format=3 uid="uid://c2qpcf4un5wgv"]
+
+[ext_resource type="Script" path="res://scripts/game_control.gd" id="1_0xttm"]
+[ext_resource type="Theme" uid="uid://dlygxgt8hfakm" path="res://pixel_theme.tres" id="1_23hjq"]
+
+[node name="Control" type="Control"]
+layout_mode = 3
+anchor_right = 0.057
+anchor_bottom = 0.088
+offset_top = 1.0
+offset_right = 0.335999
+offset_bottom = -0.0240059
+grow_horizontal = 2
+grow_vertical = 2
+script = ExtResource("1_0xttm")
+
+[node name="MenuButton" type="Button" parent="."]
+layout_mode = 0
+offset_left = 10.0
+offset_top = 9.0
+offset_right = 102.0
+offset_bottom = 43.0
+scale = Vector2(0.5, 0.5)
+focus_mode = 0
+theme = ExtResource("1_23hjq")
+theme_override_font_sizes/font_size = 26
+action_mode = 0
+text = "Menu"
+
+[node name="RestartButton" type="Button" parent="."]
+layout_mode = 0
+offset_left = 10.0
+offset_top = 29.0
+offset_right = 102.0
+offset_bottom = 63.0
+scale = Vector2(0.5, 0.5)
+focus_mode = 0
+theme = ExtResource("1_23hjq")
+theme_override_font_sizes/font_size = 26
+action_mode = 0
+text = "Restart"
+
+[connection signal="pressed" from="MenuButton" to="." method="_on_menu_button_pressed"]
+[connection signal="pressed" from="RestartButton" to="." method="_on_restart_button_pressed"]

scenes/game_snake.tscn

@@ -1,15 +1,29 @@
-[gd_scene load_steps=7 format=3 uid="uid://dmwdah80guhrt"]
+[gd_scene load_steps=12 format=3 uid="uid://dmwdah80guhrt"]
 
 [ext_resource type="Texture2D" uid="uid://cr8rakanl4m66" path="res://assets/snake.png" id="1_fd47j"]
+[ext_resource type="Script" path="res://scripts/game_snake.gd" id="1_tfb5x"]
 [ext_resource type="PackedScene" uid="uid://bihvgleiqyjpt" path="res://scenes/snake_head.tscn" id="2_ugn0y"]
 [ext_resource type="Script" path="res://scripts/snake_head.gd" id="3_ppvnp"]
 [ext_resource type="PackedScene" uid="uid://bxpoy2277fyov" path="res://scenes/snake_segment.tscn" id="4_ja3ss"]
 [ext_resource type="PackedScene" uid="uid://xtxoqxqu3ycg" path="res://scenes/snake_food.tscn" id="6_hib7g"]
+[ext_resource type="Theme" uid="uid://dlygxgt8hfakm" path="res://pixel_theme.tres" id="7_8hc3g"]
+[ext_resource type="FontFile" uid="uid://bvlg0bt6ugohe" path="res://assets/fonts/SummerPixel22Regular-jE0W7.ttf" id="8_lv7pa"]
+[ext_resource type="PackedScene" uid="uid://c2qpcf4un5wgv" path="res://scenes/game_control.tscn" id="9_tugdq"]
 
 [sub_resource type="CircleShape2D" id="CircleShape2D_aawv3"]
 radius = 1.0
 
+[sub_resource type="LabelSettings" id="LabelSettings_c3csw"]
+font = ExtResource("8_lv7pa")
+font_size = 13
+font_color = Color(0, 0, 0, 1)
+shadow_size = 0
+shadow_color = Color(1, 1, 1, 0.278431)
+shadow_offset = Vector2(0, 1)
+
 [node name="Node" type="Node"]
+script = ExtResource("1_tfb5x")
+snake_food_scene = ExtResource("6_hib7g")
 
 [node name="ColorRect" type="ColorRect" parent="."]
 offset_left = -426.0
@@ -18,11 +32,11 @@ offset_right = 424.0
 offset_bottom = 266.0
 color = Color(0.623529, 0.721569, 0.223529, 1)
 
-[node name="NinePatchRect" type="NinePatchRect" parent="."]
-offset_left = -115.0
-offset_top = -66.0
-offset_right = 122.0
-offset_bottom = 70.0
+[node name="Bounds" type="NinePatchRect" parent="."]
+offset_left = -32.0
+offset_top = -32.0
+offset_right = 32.0
+offset_bottom = 32.0
 texture = ExtResource("1_fd47j")
 draw_center = false
 region_rect = Rect2(16, 16, 4, 4)
@@ -49,18 +63,50 @@ autostart = true
 [node name="CollisionShape2D" type="CollisionShape2D" parent="SnakeHead/Area2D"]
 shape = SubResource("CircleShape2D_aawv3")
 
-[node name="SnakeFood" parent="." instance=ExtResource("6_hib7g")]
-position = Vector2(0, -24)
-
-[node name="SnakeFood2" parent="." instance=ExtResource("6_hib7g")]
-position = Vector2(0, -51)
-
 [node name="Body" parent="." node_paths=PackedStringArray("next") instance=ExtResource("4_ja3ss")]
 next = NodePath("../Tail")
 
 [node name="Tail" parent="." instance=ExtResource("4_ja3ss")]
 position = Vector2(0, 4)
 animation = &"tail"
 
+[node name="GameOverLabel" type="Label" parent="."]
+offset_left = -27.0
+offset_top = -4.0
+offset_right = 27.0
+offset_bottom = 19.0
+theme = ExtResource("7_8hc3g")
+text = "Game over"
+label_settings = SubResource("LabelSettings_c3csw")
+
+[node name="SnakeFood3" parent="." instance=ExtResource("6_hib7g")]
+position = Vector2(-56, 0)
+
+[node name="ScoreLabel" type="Label" parent="."]
+offset_left = -112.0
+offset_top = -75.0
+offset_right = -70.0
+offset_bottom = -62.0
+theme = ExtResource("7_8hc3g")
+theme_override_colors/font_color = Color(0, 0, 0, 1)
+text = "Score: "
+
+[node name="ScoreLabelValue" type="Label" parent="."]
+offset_left = -73.0
+offset_top = -75.0
+offset_right = -31.0
+offset_bottom = -62.0
+theme = ExtResource("7_8hc3g")
+theme_override_colors/font_color = Color(0, 0, 0, 1)
+text = "0"
+
+[node name="Control" parent="." instance=ExtResource("9_tugdq")]
+offset_left = -186.0
+offset_top = -102.0
+offset_right = -186.0
+offset_bottom = -102.0
+
+[connection signal="food_collected" from="SnakeHead" to="." method="_on_snake_head_food_collected"]
+[connection signal="self_collided" from="SnakeHead" to="." method="_on_snake_head_self_collided"]
 [connection signal="timeout" from="SnakeHead/Timer" to="SnakeHead" method="_on_timer_timeout"]
 [connection signal="area_entered" from="SnakeHead/Area2D" to="SnakeHead" method="_on_area_2d_area_entered"]

scenes/game_tetris.tscn

@@ -1,10 +1,11 @@
-[gd_scene load_steps=9 format=3 uid="uid://ok137eghwank"]
+[gd_scene load_steps=10 format=3 uid="uid://ok137eghwank"]
 
 [ext_resource type="Texture2D" uid="uid://bjcjdusr08ly3" path="res://assets/Terrain (16x16).png" id="1_1hb1v"]
 [ext_resource type="Script" path="res://scripts/game_tetris.gd" id="1_pss6a"]
 [ext_resource type="Texture2D" uid="uid://dvkmgv2tby1pi" path="res://assets/background/Blue.png" id="2_g03vg"]
 [ext_resource type="Theme" uid="uid://dlygxgt8hfakm" path="res://pixel_theme.tres" id="4_ewmbd"]
 [ext_resource type="FontFile" uid="uid://bvlg0bt6ugohe" path="res://assets/fonts/SummerPixel22Regular-jE0W7.ttf" id="4_oek5f"]
+[ext_resource type="PackedScene" uid="uid://c2qpcf4un5wgv" path="res://scenes/game_control.tscn" id="6_0rggg"]
 
 [sub_resource type="TileSetAtlasSource" id="TileSetAtlasSource_slitq"]
 texture = ExtResource("1_1hb1v")
@@ -207,31 +208,11 @@ offset_bottom = 18.0
 text = "Game over"
 label_settings = SubResource("LabelSettings_eao2s")
 
-[node name="MenuButton" type="Button" parent="."]
-offset_left = -277.0
-offset_top = -145.0
-offset_right = -185.0
-offset_bottom = -111.0
-scale = Vector2(0.5, 0.5)
-focus_mode = 0
-theme = ExtResource("4_ewmbd")
-theme_override_font_sizes/font_size = 26
-action_mode = 0
-text = "Menu"
-
-[node name="RestartButton" type="Button" parent="."]
-offset_left = -277.0
-offset_top = -125.0
-offset_right = -185.0
-offset_bottom = -91.0
-scale = Vector2(0.5, 0.5)
-focus_mode = 0
-theme = ExtResource("4_ewmbd")
-theme_override_font_sizes/font_size = 26
-action_mode = 0
-text = "Restart"
+[node name="Control" parent="." instance=ExtResource("6_0rggg")]
+offset_left = -288.0
+offset_top = -162.0
+offset_right = -288.0
+offset_bottom = -162.0
 
 [connection signal="ready" from="." to="." method="_on_ready"]
 [connection signal="timeout" from="FallTimer" to="." method="_on_fall_timer_timeout"]
-[connection signal="pressed" from="MenuButton" to="." method="_on_menu_button_pressed"]
-[connection signal="pressed" from="RestartButton" to="." method="_on_restart_button_pressed"]

scenes/snake_segment.tscn

@@ -50,7 +50,7 @@ sprite_frames = SubResource("SpriteFrames_g8mil")
 animation = &"straight"
 script = ExtResource("2_jjlsv")
 
-[node name="Area2D" type="Area2D" parent="."]
+[node name="snake_segment_area" type="Area2D" parent="."]
 
-[node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
+[node name="CollisionShape2D" type="CollisionShape2D" parent="snake_segment_area"]
 shape = SubResource("CircleShape2D_pp02b")

scripts/game_control.gd

@@ -0,0 +1,9 @@
+extends Control
+
+
+func _on_menu_button_pressed():
+	get_tree().change_scene_to_file("scenes/game_selection.tscn")
+
+
+func _on_restart_button_pressed():
+	get_tree().reload_current_scene()

scripts/game_snake.gd

@@ -0,0 +1,32 @@
+extends Node
+
+@export var snake_food_scene: PackedScene
+
+var current_score = 0
+var score_increment = 100
+var width = 64
+var height = 32
+var cell_size = 4
+
+func to_world(x, y) -> Vector2:
+	return Vector2(x * cell_size - width/2.0 * cell_size, y * cell_size - height/2.0 * cell_size)
+
+func _ready():
+	$GameOverLabel.visible = false
+	$Bounds.size = Vector2(width * cell_size, height * cell_size)
+	$Bounds.position = to_world(0, 0)
+
+
+func _on_snake_head_self_collided():
+	$GameOverLabel.visible = true
+	$SnakeHead.set_process(false)
+
+
+func _on_snake_head_food_collected():
+	current_score += score_increment
+	$ScoreLabelValue.text = str(current_score)
+
+	var food = snake_food_scene.instantiate()
+	food.position = to_world(randi_range(1, width - 2), randi_range(1, height - 2))
+	call_deferred("add_child", food)
+

scripts/game_tetris.gd

@@ -238,10 +238,3 @@ func block_position(x, y):
 		(x - cols_count/2) * block_size, 
 		(y - rows_count/2) * block_size)
 
-
-func _on_menu_button_pressed():
-	get_tree().change_scene_to_file("scenes/game_selection.tscn")
-
-
-func _on_restart_button_pressed():
-	get_tree().reload_current_scene()

scripts/snake_head.gd

@@ -1,5 +1,8 @@
 extends Sprite2D
 
+signal food_collected
+signal self_collided
+
 @export var snake_segment_scene: PackedScene
 @export var tail: AnimatedSprite2D
 var current_direction = Vector2.UP
@@ -54,7 +57,8 @@ func _on_timer_timeout() -> void:
 		new_direction = input_buffer.pop_front()
 
 	update_segment_type(segment, new_direction)
-	update_head_rotation(new_direction)
+
+	rotation_degrees = direction_to_degress(new_direction)
 
 	tail = segment
 	add_sibling(segment)
@@ -85,29 +89,28 @@ func update_segment_type(segment: AnimatedSprite2D, new_direction: Vector2) -> v
 		segment.rotation_degrees = 270
 		segment.play("corner")
 	elif current_direction == new_direction:
-		match current_direction:
-			DIRECTION_LEFT:
-				segment.rotation_degrees = 270
-			DIRECTION_RIGHT:
-				segment.rotation_degrees = 90
-			DIRECTION_UP:
-				segment.rotation_degrees = 0
-			DIRECTION_DOWN:
-				segment.rotation_degrees = 180
+		segment.rotation_degrees = direction_to_degress(current_direction)
 		segment.play("straight")
-
-func update_head_rotation(new_direction: Vector2) -> void:
-	match new_direction:
+
+func direction_to_degress(dir) -> float:
+	var value = 0
+	match dir:
 		DIRECTION_LEFT:
-			rotation_degrees = 270
+			value = 270
 		DIRECTION_UP:
-			rotation_degrees = 0
+			value = 0
 		DIRECTION_RIGHT:
-			rotation_degrees = 90
+			value = 90
 		DIRECTION_DOWN:
-			rotation_degrees = 180
+			value = 180
+	return value
 
 func _on_area_2d_area_entered(area) -> void:
-	if area.name == 'snake_food':
-		area.get_parent().queue_free()
-		grow = true
+	match area.name:
+		'snake_food':
+			food_collected.emit()
+			area.get_parent().queue_free()
+			grow = true
+		'snake_segment_area':
+			$Timer.stop()
+			self_collided.emit()