Fixing tacho band and needles in HUD

[bugsyv]

Well... I've got a fix, but I can't say I really "figured it out". It doesn't make much sense to me.

The problem is that on my machine, VERTEX::Set(const VERTEX&) doesn't seem to work reliably. The funny thing is when I tried to inject printfs to see exactly what was happening, the particular display I was investigating would magically correct itself. It doesn't matter what the printf was.

if I change the implementation from

Code:

memcpy(&x, &(other.x), sizeof(float) * 3 );

to a more mundane

Code:

x = other.x;
y = other.y;
z = other.z;

Then the offset problem I was seeing goes away. This also seems to fix problems with the needle rotation, track dispaly ( I was seeing many missing segments ), and crashes that were happening when I run off the road ( it happens a lot ).

The only thing that I can come up with is that many there is some bug in my memcpy implementation or it is configure to run asynchronously or something ( crazy talk, I know ).

Anyways, I was wondering if there is any objection to checking this in. I would conditionally compile it, but I can't think of what to switch on.