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[DocBass]

Is it possible to have a particle emitter bounded by a region that is laid out in the scene? It is easy to attach a particle emitter to a region, but it appears that the only area that can generate these particles is a bounding box determined by the values you set for x, y, width and height. It would be awesome if we could lay out a shape and have that emit the particles...is that possible? I see no way to do it currently. Thanks as always. 

[metamorphium]

you can shape it by transparent overlay which you place over the emitter. Transparent part of the overlay could be easily shaped for any shape you need.

[DocBass]

you can shape it by transparent overlay which you place over the emitter. Transparent part of the overlay could be easily shaped for any shape you need.

Edit: Are you referring to a transparent image overlay? That wouldn't quite work because then the particles would pass underneath an opaque part of the overlay where they need to be visible. Just curious if you meant something else.

[Mnemonic]

Particle emitters provide a property called "UseRegion". To quote the docs: "If set to true, the particles are only visible when they are inside a region (only works for particle emitters owned by region entities)". Is that what you need?

[DocBass]

Particle emitters provide a property called "UseRegion". To quote the docs: "If set to true, the particles are only visible when they are inside a region (only works for particle emitters owned by region entities)". Is that what you need?

Yes that might work, I will give it a shot. I read that, but didn't think it would entirely work but I will try it. Also, when using the fadein and fadeout parameters for particles is there a way to keep them moving as they fade? They currently will fade in and then start moving, or stop, then fade out. It would be nice to have them fade in and out as they move. Again not sure if I am missing anything in the docs, but I make sure to read over them first. 

[Mnemonic]

That's not possible, I'm afraid. You can only achieve continuous alpha change using Alpha1, Alpha2 and AlphaTimeBased properties.