com.bonzaiengine.renderer.deferred

Class DeferredLight

java.lang.Object

com.bonzaiengine.renderer.deferred.DeferredLight

All Implemented Interfaces:

ILight, IBoundable, ICullable

public abstract class DeferredLight
extends java.lang.Object
implements ILight

Field Summary

Fields

Modifier and Type	Field and Description
boolean	clipped True when light is clipped (out of screen)
Vec3	color Color of the light
boolean	culled True when light is clipped (out of screen)
Vec3	position Position
float	radius Radius - Max lighting distance (no lighting beyond that)
Rectangle	screenProj Screen space projection area (x, y, w, h)
float	shininess Shininess property of the light
float	spotCutoff Spot cut off in range of [0;90] degrees, 180 for omni-directional (default)
Vec3	spotDirection Spot direction

Constructor Summary

Constructors

Constructor and Description
DeferredLight()

Method Summary

Modifier and Type	Method and Description
LightType	getLightType()
boolean	getProperty(ILightPropertyReceiver lm, LightProperty p)
IVolume	getVolume(int bvOptions)
boolean	isCulled()
boolean	isLightActive() Active property composite of the enable, visibility, culling, ... states.
boolean	isVisible()
static boolean	projectSphereToScreenSpace(Rectangle dst, View view, Vec3 positionMv, float radius)
void	setCulled(boolean clipped)
void	updateToView(View view) Update the eye space position/direction with the specified View

Methods inherited from class java.lang.Object

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

Field Detail

position

public final Vec3 position

Position

radius

public float radius

Radius - Max lighting distance (no lighting beyond that)

spotCutoff

public float spotCutoff

Spot cut off in range of [0;90] degrees, 180 for omni-directional (default)

spotDirection

public final Vec3 spotDirection

Spot direction

color

public final Vec3 color

Color of the light

shininess

public float shininess

Shininess property of the light

screenProj

public final Rectangle screenProj

Screen space projection area (x, y, w, h)

clipped

public boolean clipped

True when light is clipped (out of screen)

culled

public boolean culled

True when light is clipped (out of screen)

Constructor Detail

DeferredLight

public DeferredLight()

Method Detail

isVisible

public boolean isVisible()

Specified by:

isVisible in interface ICullable

isCulled

public boolean isCulled()

Specified by:

isCulled in interface ICullable

Returns:

the cull value. true if the object is culled (hidden)

setCulled

public void setCulled(boolean clipped)

Specified by:

setCulled in interface ICullable

Parameters:

clipped - cull state value. true if the object is to be culled (hidden)

isLightActive

public boolean isLightActive()

Description copied from interface: ILight

Active property composite of the enable, visibility, culling, ... states.
This should includes of the enable or visible states (regarding the ) the implementation mays includes

Specified by:

isLightActive in interface ILight

Returns:

true if the ILight is active

getLightType

public final LightType getLightType()

Specified by:

getLightType in interface ILight

Returns:

the LightType of this ILight

getVolume

public IVolume getVolume(int bvOptions)

Specified by:

getVolume in interface IBoundable

Parameters:

bvOptions - bounding volume options.

Returns:

bounding volume, cast to BoundingBox or BoundingSphere depending on options.

See Also:

VolumeOptions, Box, Sphere, Cylinder, Capsule

getProperty

public boolean getProperty(ILightPropertyReceiver lm,
                           LightProperty p)

Specified by:

getProperty in interface ILight

Parameters:

lm - the ILightModel to set the property to

p - a LightProperty

Returns:

true if the property value has been successfully set, may return false if not supported by either the light or light model

updateToView

public final void updateToView(View view)

Description copied from interface: ILight

Update the eye space position/direction with the specified View

Specified by:

updateToView in interface ILight

projectSphereToScreenSpace

public static final boolean projectSphereToScreenSpace(Rectangle dst,
                                                       View view,
                                                       Vec3 positionMv,
                                                       float radius)

Parameters:

dst -

view -

positionMv -

radius -

Returns: