Move Script

var key_up = keyboard_check(ord(up)) or keyboard_check(vk_up);
var key_left = keyboard_check(ord(left)) or keyboard_check(vk_left);
var key_right = keyboard_check(ord(right)) or keyboard_check(vk_right);
var key_down = keyboard_check(ord(down)) or keyboard_check(vk_down);
var movement_dir = point_direction(0, 0, key_right - key_left, key_down - key_up);
var movement_input = (key_right - key_left != 0) or (key_down - key_up != 0);

if movement_input
{
    var h_speed = lengthdir_x(spd, movement_dir);
    var v_speed = lengthdir_y(spd, movement_dir);
    x += h_speed;
    y += v_speed;
}