source: src/main/java/genius/core/PausableContinuousTimeline.java@ 256

package genius.core;

import genius.core.timeline.ContinuousTimeline;

public class PausableContinuousTimeline extends ContinuousTimeline {

        private long timeAtPause;
        private long totalPausedTime;

        public PausableContinuousTimeline(int totalSecs) {
                super(totalSecs);
        }

        /**
         * Gets the elapsed time in seconds. Use {@link #getTime()} for a more
         * generic version.
         */
        public double getElapsedSeconds() {
                long t2;
                if (paused) {
                        t2 = timeAtPause;
                } else {
                        t2 = System.nanoTime();
                }
                return ((t2 - startTime - totalPausedTime) / 1000000000.0);
        }

        /**
         * Gets the elapsed time in seconds. Use {@link #getTime()} for a more
         * generic version.
         */
        public double getElapsedMilliSeconds() {
                long t2;
                if (paused) {
                        t2 = timeAtPause;
                } else {
                        t2 = System.nanoTime();
                }
                return ((t2 - startTime - totalPausedTime) / 1000000.0);
        }

        public void pause() {
                if (!paused) {
                        paused = true;
                        timeAtPause = System.nanoTime();
                }
        }

        public void resume() {
                if (paused) {
                        totalPausedTime += (System.nanoTime() - timeAtPause);
                        paused = false;
                }
        }
}