title says all, I dont know how to add video to show problem
It say 'Uploading files of this type is not allowed' ( type is mp4 )

so I just going to leave my code below

Edit)
forum 'insert code' doesn't work well in C# too

`
using Godot;
using System;

public partial class Pointy : CharacterBody2D
{
[Export]
float moveSpeed;
[Export]
float gravity;
int direction;
int direction
{
get
{
return direction;
}
set
{
direction_ = value;

        Vector2 halfSize = rectSize * 0.5f;
        Vector2 min = collision.Position - (halfSize);
        Vector2 max = collision.Position + (halfSize);
        Vector2 left = new Vector2(min.X, min.Y);
        Vector2 right = new Vector2(max.X, min.Y);


        raycast.Position = (direction_ == 1) ? left : right;
        sprite.FlipH = (direction_ == 1) ? true : false;
    }
}


AnimatedSprite2D sprite;
RayCast2D raycast;
CollisionShape2D collision;
Vector2 rectSize;
Vector2 velocity;
// Called when the node enters the scene tree for the first time.
public override void _Ready()
{
    rectSize = Vector2.Zero;
    velocity = Vector2.Zero;
    var rayNode = GetChild<RayCast2D>();
    if(rayNode != null)
    {
        raycast = GetNode<RayCast2D>(rayNode.GetPath());
    }
    var colNode = GetChild<CollisionShape2D>();
    if(colNode != null)
    {
        collision = GetNode<CollisionShape2D>(colNode.GetPath());
    }
    var spriteNode = GetChild<AnimatedSprite2D>();
    if(spriteNode != null)
    {
        sprite = GetNode<AnimatedSprite2D>(spriteNode.GetPath());
    }
    RectangleShape2D rectangle = collision.Shape as RectangleShape2D;
    rectSize = rectangle.Size;
    direction = 1;

}

public override void _PhysicsProcess(double delta)
{

    velocity.Y += gravity;

    if(IsOnWall())
    {

        direction *= -1;
    }

    /* 
     * fix if remove this comment
    if(IsOnFloor())
    {
        velocity.Y = 0;
    }
    */
    velocity.X = direction * moveSpeed;

    Velocity = velocity;
    MoveAndSlide();
}

Node GetChild<T>()
{
    var childrenNodes = GetChildren();
    Node result = null;
    for (int i = 0; i < childrenNodes.Count; i++)
    {
        var child = childrenNodes[i];

        if (child is T)
        {
            result = child.GetNode(child.GetPath());
            break;
        }
    }
    return result;

}
`