Java-Gaming.org    
Featured games (81)
games approved by the League of Dukes
Games in Showcase (497)
Games in Android Showcase (114)
games submitted by our members
Games in WIP (563)
games currently in development
News: Read the Java Gaming Resources, or peek at the official Java tutorials
 
    Home     Help   Search   Login   Register   
Pages: [1]
  ignore  |  Print  
  Attenuating light source via glLight methods?  (Read 834 times)
0 Members and 1 Guest are viewing this topic.
Offline counterp

Senior Member


Medals: 11



« Posted 2013-07-10 00:38:29 »

Is it possible to easily implement attenuating light (you have moving objects or light source, and as they get further from each other, the object becomes darker)?

The way I understand it is, if an object has a face that is facing the light source it will be fully lit no matter distance. Can I change this?
Offline Redocdam

Senior Member


Medals: 17



« Reply #1 - Posted 2013-07-10 17:14:34 »

*Disclaimer: I remember very little from the OpenGL deprecated functions

You have to set the attenuation parameter for that light.
So something similar to:

glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, 0.5f);

The default value is 1.0 for attenuation, which means no attenuation. And the min value is 0.

Down near the bottom of this page is a more detailed explanation of the attenuation parameters and how the attenuation is computed.
http://www.khronos.org/opengles/sdk/1.1/docs/man/glLight.xml

Pages: [1]
  ignore  |  Print  
 
 
You cannot reply to this message, because it is very, very old.

 

Add your game by posting it in the WIP section,
or publish it in Showcase.

The first screenshot will be displayed as a thumbnail.

BurntPizza (22 views)
2014-09-19 03:14:18

Dwinin (35 views)
2014-09-12 09:08:26

Norakomi (62 views)
2014-09-10 13:57:51

TehJavaDev (87 views)
2014-09-10 06:39:09

Tekkerue (42 views)
2014-09-09 02:24:56

mitcheeb (65 views)
2014-09-08 06:06:29

BurntPizza (47 views)
2014-09-07 01:13:42

Longarmx (35 views)
2014-09-07 01:12:14

Longarmx (40 views)
2014-09-07 01:11:22

Longarmx (36 views)
2014-09-07 01:10:19
List of Learning Resources
by Longor1996
2014-08-16 10:40:00

List of Learning Resources
by SilverTiger
2014-08-05 19:33:27

Resources for WIP games
by CogWheelz
2014-08-01 16:20:17

Resources for WIP games
by CogWheelz
2014-08-01 16:19:50

List of Learning Resources
by SilverTiger
2014-07-31 16:29:50

List of Learning Resources
by SilverTiger
2014-07-31 16:26:06

List of Learning Resources
by SilverTiger
2014-07-31 11:54:12

HotSpot Options
by dleskov
2014-07-08 01:59:08
java-gaming.org is not responsible for the content posted by its members, including references to external websites, and other references that may or may not have a relation with our primarily gaming and game production oriented community. inquiries and complaints can be sent via email to the info‑account of the company managing the website of java‑gaming.org
Powered by MySQL Powered by PHP Powered by SMF 1.1.18 | SMF © 2013, Simple Machines | Managed by Enhanced Four Valid XHTML 1.0! Valid CSS!