godot, characterbody2d, move, character controller, platformer

player.gd

extends CharacterBody2D

@export var move_speed: float = 200
@export var acceleration: float = 50
@export var braking: float = 20
@export var gravity: float = 500
@export var jump_force: float = 250

@onready var sprite: Sprite2D = $Sprite
@onready var anim: AnimationPlayer = $AnimationPlayer

var move_inputs: float

func _physics_process(delta: float) -> void:
	if not is_on_floor():
		velocity.y += gravity * delta
	move_inputs = Input.get_axis("move_left", "move_right")
	#movement
	if move_inputs != 0:
		velocity.x = lerp(velocity.x, move_inputs * move_speed, acceleration * delta)
	else:
		velocity.x = lerp(velocity.x, 0.0, braking * delta)
	#velocity.x = move_inputs * move_speed 
	#jumping
	if Input.is_action_just_pressed("jump") and is_on_floor():
		velocity.y = -jump_force
	move_and_slide()

func _process(delta: float) -> void:
	if velocity.x != 0:
		sprite.flip_h = velocity.x > 0
	_manage_animation()
		
func _manage_animation() -> void:
	if not is_on_floor():
		anim.play("jump")
	elif move_inputs != 0:
		anim.play("move")
	else:
		anim.play("idle")