public void changeSpeed(SmartblobTri blob, float secondsSinceLastCall) {
float minSq = minSpeed * minSpeed;
float maxSq = maxSpeed * maxSpeed;
for (MovCorner c : blob.allMovCorners()) {
float dy = c.speedY, dx = c.speedX;
float speedSq = dy * dy + dx * dx;
if (minSq <= speedSq && speedSq <= maxSq) continue;
if (speedSq == 0)
continue; // rare. it will be pushed on by springs and probably have nonzero speed next
// time.
float speed = (float) Math.sqrt(speedSq);
float newSpeed = Math.max(minSpeed, Math.min(speed, maxSpeed));
float mult = newSpeed / speed;
c.speedY *= mult;
c.speedX *= mult;
}
}
