I need a glow effect for my space ship: The motors should have a blue glow and tiny windows should be glowing light yellow. But I have no idea how to do it. PTKS really did it well with his magellan space ship: http://blenderartists.org/forum/showthread.php?t=136801
I’d like to know how to do it, too. Maybe with nodes?
you can give your material some Emit in shader panel
and you set some halo too but just a little
Salutations
Okay, it makes the material to glow, see picture 1(I didn’t find how to add “some halo” like you said) but it doesn’t make the object’s edges to glow, like in picture 2… how to do it?
Attachments
You could try the nodes, this way you’ve more options to explore.
Attachments
glow-node-setup.blend (181 KB)
Revisando el archivo… aun tengo mucho que aprender de nodos, pero el ejemplo esta bastante util.
Come again?
So does anyone know how to modify this setup so only certain objects glow?
In 3DSMax, you can do this with objectIDs. Does Blender have something like that?
I was trying right the Object ID way, but since it returns a greyscale image, the glow fx it’s quite different.
I’ll post a blend soon…
edit:
ok, I’ve played with the Z-Combine node. I still don’t fully understand what id does, but it seems to work.
Change the ID number in the ID Mask and you’ll see the glow fx applied to each of the 3 tubes.
Attachments
glow-node-setup.blend (193 KB)
I have uploaded a .blend file for you to experiment with.
This method doesn’t use ID Masks.
To make different objects glow different colors,
I have assigned a white material with Emit=1.00
and put each object onto it’s own layer.
I made a Render Layer for each object.
There is a row of Nodes for each Render Layer.
Color Ramps are used to change the colors.
The Mix Nodes are used to adjust the intensity
of the glows.
There is a Lamp to illuminate the inside of the
engine and enhance the glow.
Attachments
Engine_Glow.blend (60.2 KB)
Okay, it makes the material to glow, see picture 1(I didn’t find how to add “some halo” like you said) but it doesn’t make the object’s edges to glow, like in picture 2.. how to do it?
okay, check it out- completely different node setup / textures
http://blenderartists.org/forum/showthread.php?p=1306174#post1306174
I made a group in there called “glow blue” - its a nice default glow setup
Attachments
WOW. Thanks for everyone, now it’s time to learn how to do it myself with your awesome examples…they all are great. Thanks again.
I love those glowsticks AMDBCG
@borisquezadaa Por favor, sólo hablan en Inglés aquí.
Gracias
Okay, after a few tries I managed to do a nice glow (pic 1) with these nodes (pic 2). The nodes were created with help of AMDBCG:s helpful blend file… But I confronted problems when I tried to combine glowing and non-glowing objects. I placed non-glowing objects in a different render layer, and glowing object (+ spotlight) in another. Camera and sunlight are in a mutual layer. Then I tried to use AlphaOver node, but with bad results. Either the glowing objects were always in the front, or the non-glowing (pictures 3 and 4), and then the glow is gone… So, what to do?
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helpful blend file… But I confronted problems when I tried to combine glowing and non-glowing objects
use an “ID mask” in the index ob and set the passes on the object
Hmm… I didn’t actually get it. How to “set passes”? I’m not also sure where the ID mask node is supposed to be placed…?
And: should I use the AlphaOver node, or something else?
EDIT: Now I finally understood it with help of phoenixart’s blend file. Thanks for everyone… if someone wants to know what settings I used (they’re very simple), I can send a screenshot. 
the screen and blur nodes are all you really need for a proper glow (none of that multiplying stuff)
And the screen node works okay for overlapping images - you just don’t want to do it too strong or they will change colors
you might also try the mix node with the alpha as one of the render layers’ alpha channel and the little green A button on.
I love those glowsticks AMDBCG
thanks LinuxPimp21!
I tried it with screen and mix nodes, but it didn’t help… I only got these kind of results: The other effect can be seen, but the other not.(see the picture) I tried to mess with the fac. value but it didn’t help either… Do I need more nodes to do it correctly, or what?
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