Choose files and give it an output filename,(click setup to change
the options for that format)
The queue window should now look like the one
at the top of this tut. But of course we need to setup the glow
filter so that it knows what it should be doing so........
Double click on the glow filter in the left window
to call up its properties, click setup.
Parameter Smarameters....
This is the parameters you can set in the glow filter. Make sure
you set it to key off the object channel and not the material
channel (I'll explain that later), and make sure it is set to
use a user defined colour (pick something soothing). Then set
the glow size to about 13.
Now our queue is ready we need to execute it, press the
button to set it off. The screen will
minimise and start to render, the glow effect becomes visable
after the progress bar is finished so don't panic!
If you've been good and followed the instuctions
it should look like the glow piccy at the start.
There must be more to this provincial life......
"Hey you, I want my object to have two different
colour glows on it!"
Alrighty then, you need to have read my sub-object mapping tut
for this...so go on, go away and read it. Drink it in and understand,
I'll see you in a bit.....
O.K your back, good. we need to give our object
two different textures. Apply an edit mesh and select half of
the letters (or just a group of faces if your not using a text
object) and set it up with a material id, ala the other tut. Set
up a multi-sub object with two textures in it, say one green and
one blue. Apply this to your object. (in the shaded viewport half
your object should now be blue and the other green)
Because this is still one object we can't give it two seperate
G-buffer numbers, so we need to key off the material instead.
For this we need to use the material effects channel, the set
of drop down numbers in the material editor....
 |
This is the drop down fella, just drag
to the right number and the
material effect channel is set |
Set the green material to number 1, and the blue
material to number 2. Now return to the video post.
Two glows?....are you insane?
We need to add another glow filter - two colours,
two filters. Add another the same as before, but this time make
each glow a different colour. Also make sure that they are both
set to Material effects channel and not the G-buffer object
channel. You will have noticed that the glow you just put in is
underneath the output file stage in the queue, this is not what
we want because the picture will be saved before the last glow
is applied! So, select both the output and the last glow filter
and click the swap
button.
The queue should now look like this.....
So now lets start that baby up! Click on the execute
button and........
Well what the hell did you expect? The Taj
Mahal?
Right you lot, one more thing before I go......
Say you want to have your object glow from behind, so you can
still see your object but it has a spooky kinda glow around it.
How would you do that?
Well what we need is to do the same effect but composite the picture
of the text back in after the glows have been done.
This is the queue for such a complex opperation,
You can see that a save of the original render has been made before
the glows are added, It should be done to a format that supports
alpha channels. Than at the end this image is pasted over the
top of the glowing text, producing the effect that we need....
To produce a composite event you need to add an
image input event with the input button.
Multi select it with the last glow in the list. Then
the composite button is made active.
Choose alpha composite from the list.
Clear enough miss moneypenny, this should present
no significant problems
With all this malarky you should end up with an
image something like his.....
and now you can all have a sit down and a nice,
well earned break. This info applies to a lot of the other video
post filters, but the basic concept of layering your filters applies
to all the effects. Have a play around and if you come up with
a really cool effect, send us in a piccy and I'll put it in the
gallery!