de.gurkenlabs.litiengine

Class GameLoop

java.lang.Object

java.lang.Thread

de.gurkenlabs.litiengine.UpdateLoop

de.gurkenlabs.litiengine.GameLoop

All Implemented Interfaces:

IGameLoop, ILaunchable, ILoop, java.lang.AutoCloseable, java.lang.Runnable

public class GameLoop
extends UpdateLoop
implements IGameLoop, java.lang.AutoCloseable

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields

Modifier and Type	Field and Description
static int	TICK_DELTATIME_LAG The tick getDeltaTime() at which we consider the game not to run fluently anymore.

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

Constructors

Constructor and Description
GameLoop(java.lang.String name, int updateRate)

Method Summary

Modifier and Type	Method and Description
void	close()
long	convertToMs(long ticks)
long	convertToTicks(int ms)
int	execute(int delay, java.lang.Runnable action)
long	getDeltaTime() Gets the time that passed since the last tick in ms.
long	getDeltaTime(long ticks) Calculates the deltatime between the current game time and the specified ticks in ms.
long	getTicks()
float	getTimeScale()
int	getUpdateRate()
void	run()
void	setTimeScale(float timeScale)
void	terminate()
void	updateExecutionTime(int index, long ticks)

Methods inherited from class de.gurkenlabs.litiengine.UpdateLoop

attach, detach, getUpdatables, update

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.gurkenlabs.litiengine.ILoop

attach, detach

Methods inherited from interface de.gurkenlabs.litiengine.ILaunchable

start

Field Detail

TICK_DELTATIME_LAG

public static final int TICK_DELTATIME_LAG

The tick getDeltaTime() at which we consider the game not to run fluently anymore.

• 16.6 ms: 60 FPS
• 33.3 ms: 30 FPS
• 66.6 ms: 15 FPS

See Also:

Constant Field Values

Constructor Detail

GameLoop

public GameLoop(java.lang.String name,
                int updateRate)

Method Detail

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

convertToMs

public long convertToMs(long ticks)

Specified by:

convertToMs in interface IGameLoop

convertToTicks

public long convertToTicks(int ms)

Specified by:

convertToTicks in interface IGameLoop

execute

public int execute(int delay,
                   java.lang.Runnable action)

Specified by:

execute in interface IGameLoop

getDeltaTime

public long getDeltaTime()

Description copied from interface: IGameLoop

Gets the time that passed since the last tick in ms.

Specified by:

getDeltaTime in interface IGameLoop

Returns:

The delta time in ms.

getDeltaTime

public long getDeltaTime(long ticks)

Description copied from interface: IGameLoop

Calculates the deltatime between the current game time and the specified ticks in ms.

Specified by:

getDeltaTime in interface IGameLoop

Parameters:

ticks - The ticks for which to calculate the delta time.

Returns:

The delta time in ms.

getTicks

public long getTicks()

Specified by:

getTicks in interface IGameLoop

getTimeScale

public float getTimeScale()

Specified by:

getTimeScale in interface IGameLoop

getUpdateRate

public int getUpdateRate()

Specified by:

getUpdateRate in interface IGameLoop

run

public void run()

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class UpdateLoop

setTimeScale

public void setTimeScale(float timeScale)

Specified by:

setTimeScale in interface IGameLoop

terminate

public void terminate()

Specified by:

terminate in interface ILaunchable

updateExecutionTime

public void updateExecutionTime(int index,
                                long ticks)

Specified by:

updateExecutionTime in interface IGameLoop