// create
v_speed = 0;
gravity = 0.3;

// player step

moving_right = keyboard_check(ord("D"));
moving_left = keyboard_check(ord("A"));

var move = moving_right - moving_left;

v_speed += gravity;

if(place_meeting(x, y + v_speed, obj_wall1)){

    show_debug_message(place_meeting(x , y + sign(v_speed), obj_wall1));
    while !place_meeting(x , y + sign(v_speed), obj_wall1) {
        show_debug_message("Collision Inner!");
        y += sign(v_speed);
    }
    v_speed = 0;
}

y += v_speed;