i am creating a 2d platformer in godot 4 and i am running into issues during finetuning of my jump mechanic. when i hold the jump button the character keeps jumping. i want the character only be able to jump again when releasing the jump button and also reseting the jump buffer as the player lands on the floor.

i created a gravity component which i import in my player.gd script which handles the jumping mechanic so i can reuse it for other scripts aswell.

# gravity_component.gd
@export var actor: Node2D
@export var jump_height : float = 75.0
@export var jump_time_to_peak : float = 0.5
@export var jump_time_to_descent : float = 0.35

@onready var jump_velocity : float = ((2.0 * jump_height) / jump_time_to_peak) * -1.0
@onready var bounce_velocity : float = ((jump_height) / jump_time_to_peak) * -1.0
@onready var float_velocity : float = ((jump_height) / jump_time_to_peak) * -1.0
@onready var jump_gravity : float = ((-2.0 * jump_height) / (pow(jump_time_to_peak, 2))) * -1.0
@onready var fall_gravity : float = ((-2.0 * jump_height) / (pow(jump_time_to_descent, 2))) * -1.0

func input_jump():
    if Input.is_action_pressed("jump"):
        actor.velocity.y = getJumpVelocity()

func float_jump():
    if Input.is_action_just_released("jump") and actor.velocity.y < (getJumpVelocity() / 2):
        actor.velocity.y = getFloatingVelocity()

now i can reuse this in my player.gd main script which looks like this:

# player.gd
var jump_available = true
var jump_buffer = false

func _physics_process(delta):
    gravity_component.apply_gravity(delta)
    handle_animations()
    handle_movement(delta)
    handle_jump()


func handle_jump():
    # DONT MOVE_AND_SLIDE HERE NUB
    if is_on_floor():
        if jump_buffer:
            gravity_component.input_jump()
            jump_buffer = false
        else:
            jump_buffer = true
    elif not is_on_floor():
        gravity_component.float_jump()
        state = JUMP

func handle_animations():
    match state:
        # some other code here
        JUMP:
            animatedSprite.play("jump")
            animatedSprite.flip_h = DIRECTION == -1
        _: # default
            animatedSprite.play("idle")

i was also thinking of reseting the jump buffer once the player releases the jump button like this but i could not get it working

func resetJumpBuffer():
    if jump_buffer && Input.is_action_just_released("jump"):
        jump_buffer = true

full code can be found here:
https://gitlab.com/fiehra/dinolife