com.jme3.system

Class Timer

java.lang.Object

com.jme3.system.Timer

Direct Known Subclasses:

EraseTimer, LwjglSmoothingTimer, LwjglTimer, NanoTimer, VideoRecorderAppState.IsoTimer

public abstract class Timer
extends java.lang.Object

Timer is the base class for a high resolution timer. It is created from getTimer("display system")

Constructor Summary

Constructors

Constructor and Description
Timer()

Method Summary

Modifier and Type	Method and Description
abstract float	getFrameRate() Returns the "calls per second".
abstract long	getResolution() Returns the resolution of the timer.
abstract long	getTime() Returns the current time in ticks.
float	getTimeInSeconds() Returns the time in seconds.
abstract float	getTimePerFrame() Returns the time, in seconds, between the last call and the current one.
abstract void	reset() Reset the timer to 0.
abstract void	update() update recalculates the frame rate based on the previous call to update.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Timer

public Timer()

Method Detail

getTime

public abstract long getTime()

Returns the current time in ticks. A tick is an arbitrary measure of time defined by the timer implementation. The number of ticks per second is given by getResolution(). The timer starts at 0 ticks.

Returns:

a long value representing the current time

getTimeInSeconds

public float getTimeInSeconds()

Returns the time in seconds. The timer starts at 0.0 seconds.

Returns:

the current time in seconds

getResolution

public abstract long getResolution()

Returns the resolution of the timer.

Returns:

the number of timer ticks per second

getFrameRate

public abstract float getFrameRate()

Returns the "calls per second". If this is called every frame, then it will return the "frames per second".

Returns:

The "calls per second".

getTimePerFrame

public abstract float getTimePerFrame()

Returns the time, in seconds, between the last call and the current one.

Returns:

Time between this call and the last one.

update

public abstract void update()

update recalculates the frame rate based on the previous call to update. It is assumed that update is called each frame.

reset

public abstract void reset()

Reset the timer to 0. Clear any tpf history.