how to add post processing to second camera(fps setup): Page 2

how to add post processing to second camera(fps setup)

DJM

@cybereality said: One thing though, if you composite, then you end up with a full screen flat quad. So some effects (like those that are based on 3D depth) won't work (e.g. SSAO, DOF, etc.). But 2D effects like tone-mapping and glow should still work.

not what im after. a shader that warps the weapon models sounds like a better idea

cybereality

Also, if you can live with the gun not having any effects, it works right now with the background.

DJM

@cybereality said: Also, if you can live with the gun not having any effects, it works right now with the background.

yeah i know it works now in the current setup but they feel out of place without the effects in the environment

cybereality

Oh, yeah. I didn't think of that. Using a separate shader on the gun you can alter the projection matrix and basically do whatever you want and it will work without viewports and all the screen effects should work too. That sounds like a much better solution.

DJM

@cybereality said: Oh, yeah. I didn't think of that. Using a separate shader on the gun you can alter the projection matrix and basically do whatever you want and it will work without viewports and all the screen effects should work too. That sounds like a much better solution.

yes thats what im after, no more viewports and second cameras

DJM

i have no idea how tho :) goodnight, need sleep

Calinou

An alternative to using a second viewport is to use non-uniform scaling for the first-person weapon model. Make sure to enable Ensure Correct Normals on the mesh's materials so that normals are corrected for non-uniform scaling. (This won't be required anymore in Godot 4.0.)

DJM

@Calinou said: An alternative to using a second viewport is to use non-uniform scaling for the first-person weapon model. Make sure to enable Ensure Correct Normals on the mesh's materials so that normals are corrected for non-uniform scaling. (This won't be required anymore in Godot 4.0.)

how to set nonuniform scaling? what exactly will be different for fps rendering in godot 4.0?

Calinou

how to set nonuniform scaling?

Select the MeshInstance and use the Transform > Scale property in the inspector.

what exactly will be different for fps rendering in godot 4.0?

Mesh normals will automatically be adjusted for non-uniform scaling, so you won't need to enable Ensure Correct Normals in BaseMaterial3D anymore (formerly SpatialMaterial).

DJM

@Calinou said:

how to set nonuniform scaling?

Select the MeshInstance and use the Transform > Scale property in the inspector.

what exactly will be different for fps rendering in godot 4.0?

Mesh normals will automatically be adjusted for non-uniform scaling, so you won't need to enable Ensure Correct Normals in BaseMaterial3D anymore (formerly SpatialMaterial).

i tried setting scale z lower but that doesnt look good im trying to achieve a fov of 40 for the weapons. maybe ill have to use viewports after all

cybereality

So I figured out a way to dynamically create viewports in code and move objects from the scene into them automatically. This makes them viable, as before you could not select the objects in the editor. I'll still need to figure out the black transparency bug but it should be enough to start working on it.

DJM

@cybereality said: So I figured out a way to dynamically create viewports in code and move objects from the scene into them automatically. This makes them viable, as before you could not select the objects in the editor. I'll still need to figure out the black transparency bug but it should be enough to start working on it.

the transparency bug is the main problem

DJM

playing around with godot4 alpha

the fps rendering(with a viewport) now gets environment effects applied, however i cant get the viewport to render transparent anymore. it only renders the second camera

DJM

if anyone can get it working in godot 4 id much appreciate it

DJM

@TwistedTwigleg could u have a look?

cybereality

Unless I'm missing something, the transparent viewport doesn't seem to work. But I only spent 10 minutes looking into it.

DJM

@cybereality said: Unless I'm missing something, the transparent viewport doesn't seem to work. But I only spent 10 minutes looking into it.

yeah , i thought i was missing something, guess not

TwistedTwigleg

It sounds like a bug. I haven’t looked at Godot 4.0 myself yet, but if you both can reproduce the issue then I would open a bug on GitHub of there isn’t one already.

DJM

@TwistedTwigleg said: It sounds like a bug. I haven’t looked at Godot 4.0 myself yet, but if you both can reproduce the issue then I would open a bug on GitHub of there isn’t one already.

it is a bug , found an issue tracker on github

Calinou

@DJM In the future, please use the Edit button (hidden behind the "cog" icon in the top-right corner of your posts) instead of multi-posting. This avoids creating unnecessary notifications for people who have subscribed to this thread :)

For reference, the Godot 4.0 transparent viewport issue is being tracked here: https://github.com/godotengine/godot/issues/40651

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