Source Filmmaker

Source Filmmaker

Buffhunks Aug 6, 2014 @ 12:23pm
Lighting a model rendered with particle systems?
I've run into a problem while completing Zachariah Scott's wheat field tutorial and the model shadow tutorial but ran into a bit of a problem when I couldn't get the particle to react to lights, aside from generating shadows.

Here's what it looks like:
I'd like to know what I'm missing here.
Last edited by Buffhunks; Aug 6, 2014 @ 12:25pm
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Showing 1-13 of 13 comments
R234 Aug 6, 2014 @ 2:26pm 
What's the shader used in the grass' material?
Buffhunks Aug 6, 2014 @ 2:49pm 
The one from the model shadow tutorial[], if that's what you're referring to. I just started trying to get into the particle editor today.
R234 Aug 6, 2014 @ 3:18pm 
I meant the actual material file for the grass model, But Zach seems to be using the same ones so that's probably not it...

Hm, he says the shadows don't work unless there's a regular model in the camera's frustum. There doesn't seem to be one in your screenshot, maybe that's what's causing this?
Last edited by R234; Aug 6, 2014 @ 3:19pm
Buffhunks Aug 6, 2014 @ 3:37pm 
The fence is a prop I placed, but I'll try placing a character in the scene.
Also Zach said that shadows would only work with a regular model in the frustrum. This problem is the grass not being lit. Also, thanks for your response.
raptornx01 Aug 6, 2014 @ 3:48pm 
make sure there are no other models hidden anywhere, like below the map floor.

also try raising the models higher. I forget which setting it is, but there is a setting that tells the models to be places on the floor and also how high off the floor.

another is try moving the camera. sometimes the angle can effect it as well.
Buffhunks Aug 6, 2014 @ 5:25pm 
check, check and check. Only the camera, light, a fence, a spy and the grass particle, all above the ground. Took the camera and moved it around the grass/light, no difference.
Would it be useful if I uploaded the grass.pcf I made (with the shadow-enabling material) and/or the .dmx of this?
Bump... Did anyone actually find a way to make this work? I have the exact same problem.
Buffhunks Nov 26, 2014 @ 3:15pm 
Nope, no solution yet.
Spoghetto Jan 6, 2015 @ 6:15pm 
I also tried doing this a while back after watching Zachariah Scott's tutorials, but had the same issues.

However, if I placed a model in the viewport, sometimes the grass would light up, and my framerate would start tanking. The moment I moved the camera, SFM just straight up crashed.
This only happened twice, and all other attempts gave me the unreactive grass.

Since this has been happening to other people, I assume this is a problem with SFM itself.
Buffhunks Jan 6, 2015 @ 7:09pm 
well this sucks
6000 ANGRY BEES Jan 6, 2015 @ 9:34pm 
I remember Zach saying that particle model lighting was broken by an update a while back.
raptornx01 Jan 7, 2015 @ 4:15am 
it still worked for me as recently as two months ago. granted i wasn't using those particular models. but still.
Met Feb 28, 2015 @ 9:46am 
Bump, did they actually ♥♥♥♥ing break it? so basically model particles are unusable atm? does anyone by some miracle have an older build of SFM or something along those lines?
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Date Posted: Aug 6, 2014 @ 12:23pm
Posts: 13