How can i Jump while sliding down the wall in a 2d platformer game?

Question

func jump():
    if Input.is_action_just_pressed("jump"):

        if is_on_floor() or hasDoubleJump:
            velocity.y=max_jump
            $Sprite.play("jump")
        if !is_on_floor():
            hasDoubleJump=false
    if Input.is_action_just_released("jump"):
        velocity.y=100
    if is_on_floor():  
        hasDoubleJump=true


func wallSlide():
    if is_on_wall() and (Input.is_action_pressed("left") or Input.is_action_pressed("right")):
        canJump=true
        if velocity.y>=0:
            velocity.y=min(velocity.y+wall_accl_slide,max_wallSLideSpeed)
        else:
            velocity.y+=gravity
func oppositeJump():
    if Input.is_action_just_pressed("jump"):
        if canJump==true:
            if is_on_wall() and Input.is_action_pressed("right"):
                velocity.x=-max_horizontalSpeed
            elif is_on_wall() and Input.is_action_pressed("left"):
                velocity.x=max_horizontalSpeed

here in opposite() function i tried to jump to the opposite wall
to the wall the player was holding.

Comments

You're gonna have to put more context than just dumping your script.

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hi...
srry for dumping the entire script i have edited the question.

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Having the whole script is fine, what I meant is just having more context on what did you try and what was the result.

From what I see in your opposite() method, you set velocity.x which I assume is used in a move_and_slide() method somewhere else in the code. Where do you change velocity.x in your script other than here ? Depending on how you change this value your wall jump might not work.