Class DirectionalLight

java.lang.Object
  |
  +--Light
        |
        +--DirectionalLight

public class DirectionalLight

extends Light

DirectionalLight represents a light source that illuminates along parallel rays.

Field Summary

Vector

Direction Stores the direction the light travels in.

Fields inherited from class Light

Intensity

Constructor Summary

DirectionalLight()
Create a default light.

DirectionalLight(Vector v)
Create a new directional light that shines along given direction vector.

Method Summary

void	print(SceneWriter os) Print a human readable version of the light definition to the given destination
void	read(SceneReader is) Read the light from the given source.
void	write(SceneWriter os) Write the light to the given destination

Methods inherited from class java.lang.Object

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

Field Detail

Direction

public Vector Direction

Stores the direction the light travels in.

Constructor Detail

DirectionalLight

public DirectionalLight()

Create a default light.

DirectionalLight

public DirectionalLight(Vector v)

Create a new directional light that shines along given direction vector.

Parameters:

v - the direction of the light rays

Method Detail

read

public void read(SceneReader is)
          throws java.io.IOException,
                 java.lang.NumberFormatException

Read the light from the given source.

Specified by:

read in class Light

Parameters:

is - the source to read from.

Throws:

java.io.IOException - if the light can not be read.

java.io.NumberFormatException - if there a number format error is encountered.

java.lang.NumberFormatException

write

public void write(SceneWriter os)
           throws java.io.IOException

Write the light to the given destination

Specified by:

write in class Light

Parameters:

os - The destination to write to

Throws:

java.io.IOException - if the write fails.

print

public void print(SceneWriter os)
           throws java.io.IOException

Print a human readable version of the light definition to the given destination

Specified by:

print in class Light

Parameters:

os - The destination to write to

Throws:

java.io.IOException - if the write fails.