Comments on: Next generation trees and OpenGL https:/2021/08/next-generation-trees-and-opengl/ Developer resources for the X-Plane flight simulator Tue, 12 Oct 2021 14:21:18 +0000 hourly 1 https://wordpress.org/?v=6.6.1 By: Ben Supnik https:/2021/08/next-generation-trees-and-opengl/#comment-40396 Wed, 11 Aug 2021 13:11:06 +0000 https://developer.x-plane.com/?p=40247#comment-40396 In reply to SubSonic Sim.

Yes – the tree LOD is managed dynamically by the GPU, so we can tune the parameters to provide different settings, including possibly a low-end “all 2-d” mode for users who want to get by with older hardware.

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By: SubSonic Sim https:/2021/08/next-generation-trees-and-opengl/#comment-40391 Tue, 10 Aug 2021 19:46:33 +0000 https://developer.x-plane.com/?p=40247#comment-40391 This is truly amazing!

I would like to ask, if there will be a feature where you can reduce the draw distance through the settings, so less trees will be drawn. Possibly even changing to 2d trees after a certain distance?

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By: Dellanie Byron https:/2021/08/next-generation-trees-and-opengl/#comment-40381 Mon, 09 Aug 2021 14:39:57 +0000 https://developer.x-plane.com/?p=40247#comment-40381 In reply to Kaseng41.

Instead of commentating on something completely off-topic to what you’re asking for, here’s a video where such topics are already in discussion. (including AI traffic where Jim Kier of Traffic Global fame is working on it).

https://youtu.be/wBY4X6kQ0KY

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By: Chris Hansen https:/2021/08/next-generation-trees-and-opengl/#comment-40374 Mon, 09 Aug 2021 02:35:57 +0000 https://developer.x-plane.com/?p=40247#comment-40374 In reply to Sidney Just.

The new trees looks great!!
Never mind colliding with those though..
Still any places like FLAT ROOF TOPS should really be hard objects by default for helicopters.

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By: Kaseng41 https:/2021/08/next-generation-trees-and-opengl/#comment-40373 Sun, 08 Aug 2021 22:37:13 +0000 https://developer.x-plane.com/?p=40247#comment-40373 When will you guys fix the ATC and have AI traffic?

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By: Nathan https:/2021/08/next-generation-trees-and-opengl/#comment-40366 Sat, 07 Aug 2021 20:44:51 +0000 https://developer.x-plane.com/?p=40247#comment-40366 “The billboards are just flat tree quads that always face the camera”
So that also improves on XP11’s ‘trees are a thin x when viewed from above’, right?
If so, that’s great. (and answers JJJ’s question I think)

Johns question above – about using an even smaller forest LOD – a single (draped) polygon for the furthest away forests. Sounds like a reasonable idea to extend distant visual accuracy??

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By: Sidney Just https:/2021/08/next-generation-trees-and-opengl/#comment-40350 Fri, 06 Aug 2021 15:54:16 +0000 https://developer.x-plane.com/?p=40247#comment-40350 In reply to Saar Nagar.

I’m a bit confused, Metal already has support for draw callbacks. The only one unsupported is the modern 3D drawing phase that Vulkan has, due to limitations in how Metal and GL interop works. If you are asking about the modern 3D drawing phase, then no, Metal will not gain that one. But at the moment, there also isn’t a clear future for the modern 3D drawing phase under Vulkan either, given how the scene is rendered now.

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By: ima pseudonym https:/2021/08/next-generation-trees-and-opengl/#comment-40348 Fri, 06 Aug 2021 13:44:09 +0000 https://developer.x-plane.com/?p=40247#comment-40348 In reply to Günther Wittwar.

I am talking about the realism of knowing _when_ you collided with something. You are talking about the post-impact realism.

I could care less about the post-impact, just give me a red screen to communicate “you crashed”. Post-collision realism is for video games, not for flight simulators.

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By: Saar Nagar https:/2021/08/next-generation-trees-and-opengl/#comment-40347 Fri, 06 Aug 2021 11:26:06 +0000 https://developer.x-plane.com/?p=40247#comment-40347 One question regarding OpenGL compatibility in plugins and Metal.
Will METAL allow OpenGL rendering from plugins using the draw callback or is this still an open issue that won’t be solved any time soon (meaning, it is what it is).

Thanks

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By: Marko https:/2021/08/next-generation-trees-and-opengl/#comment-40346 Fri, 06 Aug 2021 11:03:56 +0000 https://developer.x-plane.com/?p=40247#comment-40346 This looks amazing! I have been siming, for a long time, since mfs 2004, XP11 is the best user experience and the most realistic simulator ever made! What I didn’t understand, is this going to be a part of some future update? Also, I read that some 3d vegetation has already existed in current version… I am using 11.55 ver, but I can see only 2d default vegetation. Does that mean to make any modification to some files to be able to see 3d trees?
Thank you so much for your great work and all effort you put in this simulator. It is great to see that your intention is to make it even better in the future.

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