Probleme mur

gravitySpeed=1 //Vitesse de la gravité
movespeed=6 //Vitesse de mouvement
jumpSpeed=14 //Puissance de saut

d = 0;
d = keyboard_check (vk_right) - keyboard_check(vk_left) ;
if d != 0 and place_free(x+d*movespeed,y) then {x += d*movespeed}

if place_free(x,y+1) then
{
if place_free(x,y+3)
gravity = gravitySpeed;
gravity_direction = 270;
}
else
{
gravity = 0;
if keyboard_check(vk_up) and place_free(x,y-4) then
{
vspeed = -jumpSpeed;
}
}


move_contact_solid(direction,speed-1);
vspeed = 0;