How to create a 2d trail

Hi guys, i'm trying to create a trail, just like in the image:

enter image description here

Can someone help me? please! :D

2d
shader

asked Dec 13, 2016 in Engine by bruno_ortiz (16 points)

Look/try this plugin https://github.com/LeonardMeagher2/Godot-Assets/tree/master/Plugins/Trails

It does not use a shader but just a polygon, as many trail systems do.

commented Dec 13, 2016 by eons (7,954 points)

I'm working on a Line2D and Trail2D node in C++ for doing exactly that, not ready yet but I hope it'll be integrated one day :) https://github.com/godotengine/godot/issues/7242

commented Dec 13, 2016 by Zylann (29,510 points)

The plugins works as expected! Thank a lot!

commented Dec 13, 2016 by bruno_ortiz (16 points)

Wow, i hope to @Zylann :D

commented Dec 13, 2016 by bruno_ortiz (16 points)

@eons - Just curious, how do you use that plugin?

commented Dec 13, 2016 by avencherus (5,286 points)

I got it to work by copying the Trails/ folder under an addons/ folder, then enable the plugin in Scene->Project Settings->Addons and you will be able to create Trail2D and Trail3D nodes.

commented Dec 13, 2016 by Zylann (29,510 points)

I didn't have any problems enabling it. Just the nodes don't seem to do anything on the canvas.

commented Dec 14, 2016 by avencherus (5,286 points)

You have to run a scene and move it around. Also don't forget to set a color, apparently it's set to null by default.

commented Dec 14, 2016 by Zylann (29,510 points)

Tried that, wasn't having any luck with. Even attaching it to a sprite and animating it didn't show anything. Hmm.

commented Dec 14, 2016 by avencherus (5,286 points)

Nevermind, I tried messing with it as tool mode, and the emission flag was getting unset.

commented Dec 14, 2016 by avencherus (5,286 points)

Oh. Well, here is a test project anyways, just run it: http://zylannprods.fr/dl/godot/TestTrailsPlugin.zip

commented Dec 14, 2016 by Zylann (29,510 points)

Thanks Zylann, that's actually a very helpful way of experimenting with it.

commented Dec 14, 2016 by avencherus (5,286 points)

Is a very old plugins so it needs some manual fixes to get it working, like the directory as @zylann explained.

I guess it can be optimized a bit too but works fine even the 3D one on Android (where other engines fail).

commented Dec 14, 2016 by eons (7,954 points)

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