grounded movement and run animation scaling

maps/level_z.tscn

@@ -3,8 +3,8 @@
 [ext_resource type="Texture2D" uid="uid://b6a7l24y30iht" path="res://assets/textures/backgrounds/chocomint.png" id="1_h5jcm"]
 [ext_resource type="Script" uid="uid://d3v13a4er2h1x" path="res://scripts/level/level.gd" id="1_hcs1r"]
 [ext_resource type="TileSet" uid="uid://xwfn24if3pxk" path="res://assets/tilesets/chocomint.tres" id="2_dj7w1"]
-[ext_resource type="PackedScene" uid="uid://mh2gfm7iqqsm" path="res://objects/player/player.tscn" id="3_kyrxg"]
 [ext_resource type="PackedScene" uid="uid://c8r040r4glui4" path="res://objects/enemies/lashy/lashy.tscn" id="4_gykx6"]
+[ext_resource type="PackedScene" uid="uid://bwtpsjpe2lf7l" path="res://objects/new_player/new_player.tscn" id="5_5v7mr"]
 
 [node name="LevelZ" type="Node2D"]
 script = ExtResource("1_hcs1r")
@@ -22,8 +22,8 @@ use_parent_material = true
 tile_map_data = PackedByteArray("AAAAAAsAAAAAAAAAAAABAAsAAAAAAAAAAAACAAsAAAAAAAAAAAAHAAsAAAAAAAAAAAAIAAsAAAAAAAAAAAAJAAsAAAAAAAAAAAAKAAsAAAAAAAAAAAALAAsAAAAAAAAAAAANAAsAAAAAAAAAAAAOAAsAAAAAAAAAAAAPAAsAAAAAAAAAAAAQAAsAAAAAAAAAAAARAAsAAAAAAAAAAAADAAsAAAAAAAAAAAAEAAsAAAAAAAAAAAAFAAsAAAAAAAAAAAAGAAsAAAAAAAAAAAAMAAsAAAAAAAAAAAAFAAoAAAAAAAAAAAAGAAoAAAAAAAAAAAAGAAkAAAAAAAAAAAAHAAkAAAAAAAAAAAAIAAkAAAAAAAAAAAAJAAkAAAAAAAAAAAAKAAkAAAAAAAAAAAALAAkAAAAAAAAAAAAMAAkAAAAAAAAAAAALAAoAAAAAAAAAAAAKAAoAAAAAAAAAAAAJAAoAAAAAAAAAAAAIAAoAAAAAAAAAAAAHAAoAAAAAAAAAAAAMAAoAAAAAAAAAAAANAAoAAAAAAAAAAAAOAAoAAAAAAAAAAAAPAAoAAAAAAAAAAAAPAAkAAAAAAAAAAAAQAAkAAAAAAAAAAAAQAAgAAAAAAAAAAAAQAAcAAAAAAAAAAAAQAAYAAAAAAAAAAAARAAcAAAAAAAAAAAAQAAoAAAAAAAAAAAARAAkAAAAAAAAAAAARAAgAAAAAAAAAAAARAAoAAAAAAAAAAAARAAYAAAAAAAAAAAARAAUAAAAAAAAAAAARAAQAAAAAAAAAAAAQAAQAAAAAAAAAAAAQAAUAAAAAAAAAAAAFAAkAAAAAAAAAAAAEAAkAAAAAAAAAAAADAAkAAAAAAAAAAAACAAkAAAAAAAAAAAABAAkAAAAAAAAAAAABAAoAAAAAAAAAAAACAAoAAAAAAAAAAAADAAoAAAAAAAAAAAAEAAoAAAAAAAAAAAAAAAoAAAAAAAAAAAAAAAkAAAAAAAAAAAA=")
 tile_set = ExtResource("2_dj7w1")
 
-[node name="Player" parent="." instance=ExtResource("3_kyrxg")]
-position = Vector2(40, 124)
-
 [node name="Lashy" parent="." instance=ExtResource("4_gykx6")]
 position = Vector2(141, 99)
+
+[node name="Player" parent="." instance=ExtResource("5_5v7mr")]
+position = Vector2(37, 129)

objects/new_player/new_player.gd

@@ -0,0 +1,51 @@
+class_name NewPlayer
+extends CharacterBody2D
+
+
+@export_group("Ground Movement")
+@export var run_acceleration: float
+@export var max_run_speed: float
+@export var turn_acceleration: float
+@export var stopping_force: float
+
+@export_group("Internal References")
+@export var state_chart: StateChart
+@export var graphics: Node2D
+@export var run_animation: SpritesheetAnimation
+
+
+var input_dir: Vector2 = Vector2.ZERO:
+	set(value):
+		input_dir = value.sign()
+		state_chart.set_expression_property(&"input_dir", input_dir)
+
+
+func _physics_process(delta: float) -> void:
+	move_and_slide()
+	state_chart.set_expression_property(&"velocity", velocity)
+	if velocity.x != 0.0:
+		graphics.scale.x = signf(velocity.x)
+	
+	input_dir = Input.get_vector(&"move_left", &"move_right", &"move_up", &"move_down")
+
+
+#region Idle
+func _slow_to_stop(delta: float) -> void:
+	velocity.x = move_toward(velocity.x, 0.0, stopping_force * delta)
+#endregion
+
+
+#region Running
+func _apply_run_acceleration(delta: float) -> void:
+	if absf(velocity.x) < max_run_speed:
+		velocity.x += input_dir.x * run_acceleration * delta
+
+func _scale_run_animation(delta:float) -> void:
+	run_animation.speed_scale = inverse_lerp(0.0, max_run_speed, absf(velocity.x))
+#endregion
+
+
+#region Turning
+func _apply_turn_acceleration(delta: float) -> void:
+	velocity.x += input_dir.x * turn_acceleration * delta
+#endregion

objects/new_player/new_player.gd.uid

@@ -0,0 +1 @@
+uid://dhyi4yn0xleoy

objects/new_player/new_player.tscn

@@ -0,0 +1,205 @@
+[gd_scene load_steps=16 format=3 uid="uid://bwtpsjpe2lf7l"]
+
+[ext_resource type="Script" uid="uid://dhyi4yn0xleoy" path="res://objects/new_player/new_player.gd" id="1_xs4s5"]
+[ext_resource type="Texture2D" uid="uid://c71nqfyw4a3v4" path="res://assets/textures/player/capri.png" id="3_trcll"]
+[ext_resource type="Script" uid="uid://cv55s54clajw5" path="res://scripts/spritesheet_animation/spritesheet_animation.gd" id="4_bsdw5"]
+[ext_resource type="Script" uid="uid://bhrh1qkv7nlyl" path="res://addons/godot_state_charts/state_chart.gd" id="5_bcjtl"]
+[ext_resource type="Script" uid="uid://b11v7h3ny6kh1" path="res://addons/godot_state_charts/compound_state.gd" id="6_jnxnd"]
+[ext_resource type="Script" uid="uid://rrj3six8lu8p" path="res://addons/godot_state_charts/transition.gd" id="7_rgjdc"]
+[ext_resource type="Script" uid="uid://b6u7unac5srh0" path="res://addons/godot_state_charts/expression_guard.gd" id="8_8i2im"]
+[ext_resource type="Script" uid="uid://cyvphy8py4ntr" path="res://addons/godot_state_charts/atomic_state.gd" id="10_mvu25"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_tvyy1"]
+radius = 6.0
+
+[sub_resource type="Resource" id="Resource_mq184"]
+resource_name = "Horizontal Input"
+script = ExtResource("8_8i2im")
+expression = "input_dir.x != 0.0"
+metadata/_custom_type_script = "uid://b6u7unac5srh0"
+
+[sub_resource type="Resource" id="Resource_nye2q"]
+resource_name = "Horizontal Movement"
+script = ExtResource("8_8i2im")
+expression = "velocity.x != 0.0"
+metadata/_custom_type_script = "uid://b6u7unac5srh0"
+
+[sub_resource type="Resource" id="Resource_n665q"]
+resource_name = "No Horizontal Movement"
+script = ExtResource("8_8i2im")
+expression = "velocity.x == 0.0"
+metadata/_custom_type_script = "uid://b6u7unac5srh0"
+
+[sub_resource type="Resource" id="Resource_8c74o"]
+resource_name = "No Horizontal Input"
+script = ExtResource("8_8i2im")
+expression = "input_dir.x == 0.0"
+metadata/_custom_type_script = "uid://b6u7unac5srh0"
+
+[sub_resource type="Resource" id="Resource_xs4s5"]
+resource_name = "Opposite Input"
+script = ExtResource("8_8i2im")
+expression = "input_dir.x != signf(velocity.x)"
+metadata/_custom_type_script = "uid://b6u7unac5srh0"
+
+[sub_resource type="Resource" id="Resource_e1cbd"]
+resource_name = "Aligned Input"
+script = ExtResource("8_8i2im")
+expression = "input_dir.x == signf(velocity.x)"
+metadata/_custom_type_script = "uid://b6u7unac5srh0"
+
+[node name="Player" type="CharacterBody2D" node_paths=PackedStringArray("state_chart", "graphics", "run_animation")]
+collision_layer = 16
+collision_mask = 3
+floor_snap_length = 3.0
+script = ExtResource("1_xs4s5")
+run_acceleration = 100.0
+max_run_speed = 100.0
+turn_acceleration = 200.0
+stopping_force = 150.0
+state_chart = NodePath("StateChart")
+graphics = NodePath("Graphics")
+run_animation = NodePath("Graphics/Sprite/Run")
+
+[node name="CollisionShape" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_tvyy1")
+debug_color = Color(3.32102e-06, 0.648976, 0.161954, 0.42)
+
+[node name="Graphics" type="Node2D" parent="."]
+
+[node name="Sprite" type="Sprite2D" parent="Graphics"]
+texture = ExtResource("3_trcll")
+offset = Vector2(0, -2)
+hframes = 4
+vframes = 4
+region_rect = Rect2(0, 0, 64, 64)
+
+[node name="Idle" type="Node" parent="Graphics/Sprite"]
+script = ExtResource("4_bsdw5")
+
+[node name="Bark" type="Node" parent="Graphics/Sprite"]
+script = ExtResource("4_bsdw5")
+first_frame = Vector2i(1, 0)
+
+[node name="Run" type="Node" parent="Graphics/Sprite"]
+script = ExtResource("4_bsdw5")
+first_frame = Vector2i(0, 2)
+frames = 4
+fps = 16.0
+loop = true
+
+[node name="Jump" type="Node" parent="Graphics/Sprite"]
+script = ExtResource("4_bsdw5")
+first_frame = Vector2i(2, 0)
+
+[node name="Fall" type="Node" parent="Graphics/Sprite"]
+script = ExtResource("4_bsdw5")
+first_frame = Vector2i(3, 0)
+
+[node name="StateChart" type="Node" parent="."]
+script = ExtResource("5_bcjtl")
+track_in_editor = true
+initial_expression_properties = {
+&"input_dir": Vector2(0, 0),
+&"velocity": Vector2(0, 0)
+}
+
+[node name="Root" type="Node" parent="StateChart"]
+script = ExtResource("6_jnxnd")
+initial_state = NodePath("Grounded")
+
+[node name="Grounded" type="Node" parent="StateChart/Root"]
+editor_description = "Player is standing on a floor."
+script = ExtResource("6_jnxnd")
+initial_state = NodePath("Standing")
+
+[node name="Standing" type="Node" parent="StateChart/Root/Grounded"]
+editor_description = "Player is standing still or coming to a stop."
+script = ExtResource("6_jnxnd")
+initial_state = NodePath("Idle")
+metadata/_custom_type_script = "uid://b11v7h3ny6kh1"
+
+[node name="when WalkHeld" type="Node" parent="StateChart/Root/Grounded/Standing"]
+editor_description = "Transition to running state if a horizontal direction is being held."
+script = ExtResource("7_rgjdc")
+to = NodePath("../../Running")
+guard = SubResource("Resource_mq184")
+delay_in_seconds = "0.0"
+
+[node name="Idle" type="Node" parent="StateChart/Root/Grounded/Standing"]
+editor_description = "Player is stopped, standing still."
+script = ExtResource("10_mvu25")
+
+[node name="when Moving" type="Node" parent="StateChart/Root/Grounded/Standing/Idle"]
+editor_description = "Transition to stopping state if the player has horizontal velocity."
+script = ExtResource("7_rgjdc")
+to = NodePath("../../Stopping")
+guard = SubResource("Resource_nye2q")
+delay_in_seconds = "0.0"
+
+[node name="Stopping" type="Node" parent="StateChart/Root/Grounded/Standing"]
+editor_description = "Player is slowing to a stop naturally."
+script = ExtResource("10_mvu25")
+
+[node name="when Stopped" type="Node" parent="StateChart/Root/Grounded/Standing/Stopping"]
+editor_description = "Transition to idle state when the player has come to a full stop."
+script = ExtResource("7_rgjdc")
+to = NodePath("../../Idle")
+guard = SubResource("Resource_n665q")
+delay_in_seconds = "0.0"
+
+[node name="Running" type="Node" parent="StateChart/Root/Grounded"]
+editor_description = "Player is accelerating in the held input direction."
+script = ExtResource("10_mvu25")
+
+[node name="when WalkReleased" type="Node" parent="StateChart/Root/Grounded/Running"]
+editor_description = "Transition to standing state if no input direction is held."
+script = ExtResource("7_rgjdc")
+to = NodePath("../../Standing")
+guard = SubResource("Resource_8c74o")
+delay_in_seconds = "0.0"
+
+[node name="when OppositeInput" type="Node" parent="StateChart/Root/Grounded/Running"]
+editor_description = "Transition to turning state if the held input dir is opposite the horizontal velocity."
+script = ExtResource("7_rgjdc")
+to = NodePath("../../Turning")
+guard = SubResource("Resource_xs4s5")
+delay_in_seconds = "0.0"
+
+[node name="Turning" type="Node" parent="StateChart/Root/Grounded"]
+editor_description = "Player is more quickly accelerating in the held input direction to slow and turn around."
+script = ExtResource("10_mvu25")
+
+[node name="when WalkReleased" type="Node" parent="StateChart/Root/Grounded/Turning"]
+editor_description = "Transition to standing state if no input direction is held."
+script = ExtResource("7_rgjdc")
+to = NodePath("../../Standing")
+guard = SubResource("Resource_8c74o")
+delay_in_seconds = "0.0"
+
+[node name="when AlignedInput" type="Node" parent="StateChart/Root/Grounded/Turning"]
+editor_description = "Transition to running state when input direction matches horizontal velocity."
+script = ExtResource("7_rgjdc")
+to = NodePath("../../Running")
+guard = SubResource("Resource_e1cbd")
+delay_in_seconds = "0.0"
+
+[node name="Airborne" type="Node" parent="StateChart/Root"]
+script = ExtResource("6_jnxnd")
+initial_state = NodePath("Falling")
+
+[node name="Falling" type="Node" parent="StateChart/Root/Airborne"]
+script = ExtResource("10_mvu25")
+
+[node name="Voice" type="AudioStreamPlayer" parent="."]
+bus = &"Capri"
+
+[connection signal="state_entered" from="StateChart/Root/Grounded/Standing/Idle" to="Graphics/Sprite/Idle" method="play"]
+[connection signal="state_entered" from="StateChart/Root/Grounded/Standing/Stopping" to="Graphics/Sprite/Run" method="play"]
+[connection signal="state_physics_processing" from="StateChart/Root/Grounded/Standing/Stopping" to="." method="_scale_run_animation"]
+[connection signal="state_physics_processing" from="StateChart/Root/Grounded/Standing/Stopping" to="." method="_slow_to_stop"]
+[connection signal="state_entered" from="StateChart/Root/Grounded/Running" to="Graphics/Sprite/Run" method="play"]
+[connection signal="state_physics_processing" from="StateChart/Root/Grounded/Running" to="." method="_scale_run_animation"]
+[connection signal="state_physics_processing" from="StateChart/Root/Grounded/Running" to="." method="_apply_run_acceleration"]
+[connection signal="state_entered" from="StateChart/Root/Grounded/Turning" to="Graphics/Sprite/Bark" method="play"]
+[connection signal="state_physics_processing" from="StateChart/Root/Grounded/Turning" to="." method="_apply_turn_acceleration"]

project.godot

@@ -11,7 +11,7 @@ config_version=5
 [application]
 
 config/name="Capri"
-run/main_scene="res://maps/tutorial.tscn"
+run/main_scene="uid://cccb8wltupasj"
 config/features=PackedStringArray("4.4", "GL Compatibility")
 config/icon="res://icon.svg"
 
@@ -27,7 +27,7 @@ window/size/viewport_height=216
 
 [editor_plugins]
 
-enabled=PackedStringArray("res://addons/YouCanDoIt/plugin.cfg", "res://addons/godot_state_charts/plugin.cfg")
+enabled=PackedStringArray("res://addons/godot_state_charts/plugin.cfg")
 
 [file_customization]
 
@@ -44,6 +44,34 @@ folder_colors={
 
 screen_overlay="Autoload that will be rendered over the game viewport at full resolution."
 
+[input]
+
+move_left={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194319,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+move_right={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194321,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+move_up={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194320,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+move_down={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194322,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+jump={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":90,"key_label":0,"unicode":122,"location":0,"echo":false,"script":null)
+]
+}
+
 [layer_names]
 
 2d_physics/layer_1="solid"