Bradshaw

// Nice deadzoning
//	raw contains the x and y of the joystick
//	dead is the threshold (0.2 for good results)
function deadZoner(raw, dead) {
	// d2 is the square of the magnitude of raw
	var d2 = raw.x*raw.x + raw.y*raw.y;
	
	// If d2 is lower than the deadzone squared, then we're inside the deadzone
	// (Also check against zero, in case we're given a zero deadzone)
	if (d2<dead*dead || d2<0){

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD