up = keyboard_check(vk_up);
down = keyboard_check(vk_down);
left = keyboard_check(vk_left);
right = keyboard_check(vk_right);


if((up && down) || (!up && !down))
{
if(vspeed != 0)
{
vspeed = 0;
}
}
else if(up)
{
if(vspeed != -4)
{
vspeed = -4;
}
}
else if(down)
{
if(vspeed != 4)
{
vspeed = 4;
}
}

if((left && right) || (!left && !right))
{
if(hspeed != 0)
{
hspeed = 0;
}
}
else if(left)
{
if(hspeed != -4)
{
hspeed = -4;
}
}
else if(right)
{
if(hspeed != 4)
{
hspeed = 4;
}
}