Function setRunning

test/lib/testHelper.js:2162–2170

(nextRunning)

        }

        function setRunning(nextRunning) {
            if (!_running && nextRunning) {
                addOrRemoveMask(false);
            }
            else if (_running && !nextRunning) {
                addOrRemoveMask(true);
            }
            _running = nextRunning;
        }

        function nextFrame() {
            opt.onFrame && opt.onFrame(_frameNumber);