fps method
Returns the FPS based on the frame times from onTimingsCallback
.
Implementation
double fps([int average = 1]) {
return _previousTimings.length *
_maxFrames /
_previousTimings.map((t) {
return (t.totalSpan.inMicroseconds ~/ frameInterval.inMicroseconds) +
1;
}).fold(0, (a, b) => a + b);
}