Changed movement to scroll level instead of player, test level now loops. Player also now has weight based inertia

Characters/player.gd

@@ -6,36 +6,103 @@ extends CharacterBody2D
 @export var base_weight: float = 1
 @export var min_weight: float = 0.5
 @export var max_weight: float = 2.0
-
+@export var weight_change_speed: float = 1000
+@export var vertical_momentum_factor: float = 5000.0
+@export var horizontal_momentum_factor: float = 500.0
+@export var current_speed: float = 0.0
+@export var ground_speed: Vector2 = Vector2.ZERO
 
 @onready var animated_sprite: AnimatedSprite2D = $AnimatedSprite2D
+@onready var weight_label = $WeightLabel
 
 var animation_locked: bool = false
 var direction: Vector2 = Vector2.ZERO
 var was_in_air: bool = false
-var current_speed: float = 0.0
 var current_weight: float = base_weight
 var is_jumping: bool = false
+var jump_start_weight: float = base_weight
+
+func _process(_delta):
+	# Update the label's text with the current weight
+	weight_label.text = (
+		"Weight: " + str(current_weight) +
+		"\nDelta Weight: " + str(current_weight - jump_start_weight) +
+		"\nVelocity X: " + str(ground_speed.x)
+		)
+	
+	# Position the label above the character's head
+	weight_label.global_position = global_position + Vector2(-20, -75) # Adjust the Y offset as needed
+
 
 func _physics_process(delta: float) -> void:
+	if ground_speed == null:
+		return
+	
+	# Weight changing
+	if Input.is_action_pressed("decrease_weight"):
+		current_weight = max(current_weight - (weight_change_speed * delta), min_weight)
+	elif Input.is_action_pressed("increase_weight"):
+		current_weight = min(current_weight + (weight_change_speed * delta), max_weight)
+	elif Input.is_action_pressed("reset_weight"):
+		current_weight = base_weight
+	
+	if was_in_air == true and is_on_floor():
+		current_speed = ground_speed.x
+	
+	ground_speed.x = current_speed
+
+	# Gravity and inertia
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+		was_in_air = true
+	
+		if is_jumping:
+			# Apply inertia on weight change
+			var weight_change = current_weight - jump_start_weight
+			ground_speed.x += -weight_change * vertical_momentum_factor * delta
+			velocity.y += weight_change * horizontal_momentum_factor * delta
+	else:
+		if was_in_air == true:
+			land()
+		was_in_air = false
+		is_jumping = false
+		jump_start_weight = current_weight
+
+		# Constant forward movement
+		if abs(current_speed - max_speed) < 1:
+			current_speed = max_speed
+			
+		if current_speed < max_speed:
+			current_speed += acceleration * delta
+		elif current_speed > max_speed:
+			current_speed -= acceleration * delta * ((current_speed - max_speed) / 30)
+	
+	# Handle Jumping
+	if Input.is_action_just_pressed("jump") and is_on_floor():
+		jump()
+	
+	update_animation()
+	move_and_slide()
+	update_facing_direction()
 
 func update_animation():
 	if not animation_locked:
-		if direction.x != 0:
+		if ground_speed.x != 0:
 			animated_sprite.play("run")
 		else:
 			animated_sprite.play("idle")
 			
 func update_facing_direction():
-	if direction.x > 0:
+	if ground_speed.x > 0:
 		animated_sprite.flip_h = false
-	elif direction.x < 0:
+	elif ground_speed.x < 0:
 		animated_sprite.flip_h = true
 
 func jump():
 	velocity.y = jump_force
 	animated_sprite.play("jump_start")
 	animation_locked = true
+	is_jumping = true
 
 func land():
 	animated_sprite.play("jump_end")

Characters/player.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=36 format=3 uid="uid://4qv7ygwuks70"]
+[gd_scene load_steps=37 format=3 uid="uid://4qv7ygwuks70"]
 
 [ext_resource type="Texture2D" uid="uid://ce5lrej8gpo3i" path="res://Art/Character/Idle/Idle-Sheet.png" id="1_caaw0"]
 [ext_resource type="Script" path="res://Characters/player.gd" id="1_mhe8q"]
@@ -223,6 +223,9 @@ animations = [{
 radius = 8.0
 height = 44.0
 
+[sub_resource type="LabelSettings" id="LabelSettings_av1l4"]
+font_size = 10
+
 [node name="Player" type="CharacterBody2D"]
 script = ExtResource("1_mhe8q")
 
@@ -237,4 +240,12 @@ offset = Vector2(-32, -40)
 position = Vector2(0, 2)
 shape = SubResource("CapsuleShape2D_4mr7i")
 
+[node name="WeightLabel" type="Label" parent="."]
+offset_left = -40.0
+offset_top = -41.0
+offset_right = 27.0
+offset_bottom = -27.0
+text = "Weight: "
+label_settings = SubResource("LabelSettings_av1l4")
+
 [connection signal="animation_finished" from="AnimatedSprite2D" to="." method="_on_animated_sprite_2d_animation_finished"]

Levels/test_level.gd

@@ -0,0 +1,12 @@
+extends Node2D
+
+@onready var world: CanvasGroup = $CanvasGroup
+
+@onready var player: CharacterBody2D = $Player
+
+func _process(delta: float) -> void:
+	
+	world.position.x -= player.ground_speed.x * delta
+	
+	if world.position.x < -2000:
+		world.position.x = 0

project.godot

@@ -51,6 +51,21 @@ jump={
 "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":32,"key_label":0,"unicode":32,"location":0,"echo":false,"script":null)
 ]
 }
+increase_weight={
+"deadzone": 0.5,
+"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":69,"key_label":0,"unicode":101,"location":0,"echo":false,"script":null)
+]
+}
+decrease_weight={
+"deadzone": 0.5,
+"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":81,"key_label":0,"unicode":113,"location":0,"echo":false,"script":null)
+]
+}
+reset_weight={
+"deadzone": 0.5,
+"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":87,"key_label":0,"unicode":119,"location":0,"echo":false,"script":null)
+]
+}
 
 [rendering]