de.rico.engine.effect.light.ogllight
Class DirectionalLight

java.lang.Object
  de.rico.engine.effect.light.ogllight.AbstractLight
      de.rico.engine.effect.light.ogllight.DirectionalLight

All Implemented Interfaces:

DirectionalLightIface, LightIface

public class DirectionalLight
extends AbstractLight
implements DirectionalLightIface

This class represents a directional OpenGL light.

Author:

Frank Bruns

Constructor Summary

DirectionalLight(int lightNumber)
Creates a directional light with the specified light number

Method Summary

void	bind(javax.media.opengl.GL gl) Starts using the light.
Point3D	getDirection() Returns the direction as a new Point3D object.
float[]	getDirectionArray() Returns the direction of the light in its array representation.
void	setDirection(float x, float y, float z) Set the direction of the light.
void	setDirection(Point3D dir) Sets the direction of the light.

Methods inherited from class de.rico.engine.effect.light.ogllight.AbstractLight

destroy, getAmbient, getDiffuse, getLightNr, getLightNrOGLConst, getSpecular, isEnabled, release, setAmbient, setAmbient, setDiffuse, setDiffuse, setEnabled, setSpecular, setSpecular

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.rico.engine.effect.light.LightIface

destroy, release, setEnabled

Constructor Detail

DirectionalLight

public DirectionalLight(int lightNumber)

Creates a directional light with the specified light number

Parameters:

lightNumber - light number from 0 to 7

Method Detail

bind

public void bind(javax.media.opengl.GL gl)

Description copied from interface: LightIface

Starts using the light. All objects that are rendered after the call to this method, will be affected by the light, if no special treatment was performed on those objects.

Specified by:

bind in interface LightIface

Overrides:

bind in class AbstractLight

setDirection

public void setDirection(float x,
                         float y,
                         float z)

Description copied from interface: DirectionalLightIface

Set the direction of the light. The specified parameters get normalized.

Specified by:

setDirection in interface DirectionalLightIface

Parameters:

x - x direction

y - y direction

z - z direction

setDirection

public void setDirection(Point3D dir)

Description copied from interface: DirectionalLightIface

Sets the direction of the light. The specified parameter gets normalized.

Specified by:

setDirection in interface DirectionalLightIface

Parameters:

dir - light direction

getDirectionArray

public float[] getDirectionArray()

Returns the direction of the light in its array representation.

Returns:

direction of the light

getDirection

public Point3D getDirection()

Description copied from interface: DirectionalLightIface

Returns the direction as a new Point3D object.

Specified by:

getDirection in interface DirectionalLightIface

Returns:

direction as a new Point3D object