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General Category => General Anim8or Forum => Topic started by: Arik_the_Red on March 18, 2012, 08:14:24 pm

Title: Arik's Glowing Object - for lights, buttons, etc.
Post by: Arik_the_Red on March 18, 2012, 08:14:24 pm
The Giant Robot Challenge prompted me to share this...

This is how I have made "fake glows" in anim8or. It is somewhat limited in its uses because the "glow" object does cast shadows when used with lights... but, here we go...


OBJECT: Red Sphere
Diameter:  50
Coordinates:  0,0,0

Name this Object "Red Sphere": SETTINGS > OBJECT ... > "Red Sphere"


Make a 50 diameter cylinder, turn it so that the end faces Front... convert to mesh, and delete all points, vertices and faces except for one of end panels.
Coordinates:  0,0,0
Be sure that the panel shows on 0 from top and side views as well as front.
Texture: Set Trans to 100%, and use this image:



Name this Object "Glow Panel": SETTINGS > OBJECT ... > "Glow Panel"


Creates a red ball with a glow inside. Key effect is that the glow is always round from the camera view, because it is set to always face the camera.

This effect is much more versatile in use than an outside glow, because there is no issue with the glow panel casting shadows, since it in encased within the sphere...

In Scene Mode, create your scene or use existing scene, as follows:

1: Environment Settings: SETTINGS > ENVIRONMENT >

2: Red Sphere Set Up in Scene:

3: Glow Panel Set Up in Scene:

The red sphere should reappear, with the glow panel nestled inside, facing the camera. The screenshot is as follows:


The ultimate result should be a red sphere with a glow inside, the glow always facing the camera.

One major downside to this is that, if the camera is not facing the glow panel directly, it may have odd, not properly round, appearance.


Feel free to adjust Ambient and Brilliance in the Glow Panel object's material, increasing the values to increase the intensity of the glow effect.

NOTE: The above render was performed in Scanline render option. Results vary depending upon which Renderer is used. For example, ART Ray Tracer may require a much higher Ambient and Brilliance to get the desired bright glow.


Here, a quick variation of the above creation...

I changed the red sphere into a half-sphere with a surrounding gray frame... changed the red material's transparency to 0.32, brightened the glow panel material...

and in scene mode made two sets equal space apart, and threw together a video of camera circling around the pair...

Take note that the glow appears unchanging and constant ball of light, though it is really a 2D panel with a transparency glow texture.

And, a still render of the pair of "robot eyes," followed by screen shot of the scene:



Title: Re: Arik's Glowing Object - for lights, buttons, etc.
Post by: Arik_the_Red on March 19, 2012, 10:28:10 am
If anyone takes on this idea and creates something, I would love to see what you come up with.

Comments and criticisms are much welcome.
Title: Re: Arik's Glowing Object - for lights, buttons, etc.
Post by: TheBlackHole on March 20, 2012, 06:01:58 pm
I use a similar effect for planetary atmospheres, except I use a duplicate of the planet mesh instead of a panel. Instead of using the Emissive property, though, I use a very high (>2) diffuse value, tinted to the appropriate color.
Title: Re: Arik's Glowing Object - for lights, buttons, etc.
Post by: cooldude234 on March 20, 2012, 06:28:28 pm
Yea I did the same for the planet I did a while back ago, if you did up some older post of mine you can find it here somewhere.