city.cs.engine

Class SimulationSettings

java.lang.Object

city.cs.engine.SimulationSettings

public class SimulationSettings
extends Object

Settings governing the simulation of a World.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_FRAME_RATE
static int	DEFAULT_POSITION_ITERATIONS
static int	DEFAULT_SIMULATION_RATE
static int	DEFAULT_VELOCITY_ITERATIONS

Constructor Summary

Constructors

Constructor and Description
SimulationSettings(int framesPerSecond)

Method Summary

Modifier and Type	Method and Description
float	getAveragedFPS()
int	getFpsAverageCount()
long	getFrameCount()
int	getFrameRate() The current target frame rate
int	getPositionIterations()
float	getSimTimeStep()
float	getTimeStep()
int	getTimeStepMilli()
float	getTotalFPS()
int	getVelocityIterations()
void	setPositionIterations(int n)
void	setTargetFrameRate(int framesPerSecond) Set the target frame rate
void	setVelocityIterations(int n)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_FRAME_RATE

public static final int DEFAULT_FRAME_RATE

See Also:

Constant Field Values

DEFAULT_SIMULATION_RATE

public static final int DEFAULT_SIMULATION_RATE

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Constant Field Values

DEFAULT_VELOCITY_ITERATIONS

public static final int DEFAULT_VELOCITY_ITERATIONS

See Also:

Constant Field Values

DEFAULT_POSITION_ITERATIONS

public static final int DEFAULT_POSITION_ITERATIONS

See Also:

Constant Field Values

Constructor Detail

SimulationSettings

public SimulationSettings(int framesPerSecond)

Method Detail

getSimTimeStep

public float getSimTimeStep()

getFrameRate

public int getFrameRate()

The current target frame rate

Returns:

target rate, in frames per second

getFrameCount

public long getFrameCount()

Returns:

the frame count

setTargetFrameRate

public void setTargetFrameRate(int framesPerSecond)

Set the target frame rate

Parameters:

framesPerSecond - target frame rate in frames per second

getTimeStep

public float getTimeStep()

Returns:

the length in seconds of each display frame

getTimeStepMilli

public int getTimeStepMilli()

Returns:

the length in millisecodns of each display frame

getVelocityIterations

public int getVelocityIterations()

Returns:

the Box2D velocity iterations simulation parameter (see Box2D manual)

setVelocityIterations

public void setVelocityIterations(int n)

Parameters:

n - the value for the Box2D velocity iterations simulation parameter (see Box2D manual)

getPositionIterations

public int getPositionIterations()

Returns:

the Box2D position iterations simulation parameter (see Box2D manual)

setPositionIterations

public void setPositionIterations(int n)

Parameters:

n - the value for the Box2D position iterations simulation parameter (see Box2D manual)

getFpsAverageCount

public int getFpsAverageCount()

Returns:

the number of frames averaged over when computing the actual (as opposed to target) FPS

getAveragedFPS

public float getAveragedFPS()

Returns:

the current actual (as opposed to target) FPS

getTotalFPS

public float getTotalFPS()

Returns:

the overall actual (as opposed to target) FPS since the simulation began