HarryK

I'm trying to make a videoplane read into another videoplane, ideally with the end goal being shader-side feedback between two planes. Feeling a little stuck.

Patch is attached - if there are any ideas or suggestions on materials to consult, let me know! Thank you.

I'm trying to make a videoplane read into another videoplane, ideally with the end goal being shader-side feedback between two planes.  Feeling a little stuck.
Patch is attached - if there are any ideas or suggestions on materials to consult, let me know! Thank you.


jit-gl-videoplane-jit-gl-videoplane

I'm not sure what you want to achieve, but be aware that a jit.gl.videoplane object does not output anything out its leftmost outlet unless its matrixoutput attribute is set to 1 (it's not the case in your attached patch).

I want to create feedback between two videoplanes, the way one might with two matrices.

It seems like it will be a little more complicated, due to the skewing in 3-d space.

1. A jit.noise writes a single texture on one videoplane.

2. That texture can be mapped onto another videoplane, with a variety of options for the transform.

3. The second videoplane goes through a slab to alter the texture slightly and then feeds back into the first video plane.

The problem with the matrix output is that it seemingly overrides the GL presence of the videoplane.

I updated the patch - now without the node capture and with matrixoutput attruis - but I'm still doing something wrong..

Would greatly appreciate any help or ideas!

I want to create feedback between two videoplanes, the way one might with two matrices.
It seems like it will be a little more complicated, due to the skewing in 3-d space. 

Ideally, it goes something like this:
 1. A jit.noise  writes a single texture on one videoplane.
2. That texture can be mapped onto another videoplane, with a variety of options for the transform.
3. The second videoplane goes through a slab to alter the texture slightly and then feeds back into the first video plane. 

The problem with the matrix output is that it seemingly overrides the GL presence of the videoplane.
I updated the patch - now without the node capture and with matrixoutput attruis - but I'm still doing something wrong.. 

Would greatly appreciate any help or ideas!


To mention : select additive in the slab and put @param amount 0.88 .

Also the jit.pwindow was jut for you to understand. Get rid of it , it eats up all the fps ;-)

did you mean something like this ??
To mention : select additive in the slab and put @param amount 0.88 .
Also the jit.pwindow was jut for you to understand. Get rid of it , it eats up all the fps ;-) 

Well, I was hoping to have two separate planes in the render scene, feeding back between each other - but this is awesome and it should definitely help me get on my way..Thank you!

I was thinking about something along the lines of this - but this doesn't fly..

It turns out that Andrew Benson's "Mirror House" patch does this, using jit.gl.cameras - the only problem is that it seems to crash my version of Max.

Is it possible to use two cameras at the same time? I tried to do a stripped down version of the Benson patch, but I can only set one camera to capture at a time.

I believe you can have up to 6 cameras @ the same time. No need to put the @capture 1 , just duplicate them :-)

Hi Harryk
I believe you can have up to 6 cameras @ the same time. No need to put the @capture 1 , just duplicate them :-) 

ahh, interesting.. isn't the @capture necessary to create cross-plane feedback texturing, though? i'm sorry that i'm so slow about this stuff!

ahh, interesting.. isn't the @capture necessary to create cross-plane feedback texturing, though?  i'm sorry that i'm so slow about this stuff!


aha - i see now that i need a third jit.gl.camera!

aha -  i see now that i need a third jit.gl.camera!


I'm not a pro on camera use , below is the approach I was think about .

I'm not a pro on camera use , below is the approach I was think about .
hope it help 


Or again something like in your original demand :-) 

jit.gl.videoplane --> jit.gl.videoplane